Highlights of Materials Physics (DMP) Talks @ APS 2023 March Meeting – Part 1
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TABLE 1: Highlights of Materials Physics (DMP) Talks @ APS 2023 March Meeting – Part 1
| Paper | Author(s) | |
|---|---|---|
| 1 | Spatially-resolved Probes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The course will have five speakers giving interactive tutorial presentations on such topics as advanced optical spectroscopy, x-ray scattering, neutron scattering, high magnetic fields and spatially-resolved probes. |
Donald Evans; |
| 2 | High Field Science Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The course will have five speakers giving interactive tutorial presentations on such topics as advanced optical spectroscopy, x-ray scattering, neutron scattering, high magnetic fields and spatially-resolved probes. |
Marcelo Jaime; |
| 3 | Neutron Scattering Techniques Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The course will have five speakers giving interactive tutorial presentations on such topics as advanced optical spectroscopy, x-ray scattering, neutron scattering, high magnetic fields and spatially-resolved probes. |
Alan Tennant; |
| 4 | Optical Techniques Related Papers Related Patents Related Grants Related Venues Related Experts View |
Xiao-Xiao Zhang; |
| 5 | Coherent X-ray Scattering Techniques (Remote) Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The course will have five speakers giving interactive tutorial presentations on such topics as advanced optical spectroscopy, x-ray scattering, neutron scattering, high magnetic fields and spatially-resolved probes. |
Claudio Mazzoli; |
| 6 | DMP Short Course on Magnetic Topological Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: After introducing basic concepts in magnetism and topology, this tutorial will present an overview of the current topological materials including Weyl semimetals, line node semimetals, anomalous Hall/Chern insulator states, topological insulators, topological superconductors and other fascinating phases. |
Claudia Felser; |
| 7 | DMP Short Course on Magnetic Topological Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: After introducing basic concepts in magnetism and topology, this tutorial will present an overview of the current topological materials including Weyl semimetals, line node semimetals, anomalous Hall/Chern insulator states, topological insulators, topological superconductors and other fascinating phases. |
M. Zahid Hasan; |
| 8 | DMP Short Course on Magnetic Topological Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: After introducing basic concepts in magnetism and topology, this tutorial will present an overview of the current topological materials including Weyl semimetals, line node semimetals, anomalous Hall/Chern insulator states, topological insulators, topological superconductors and other fascinating phases. |
Kang-Lung Wang; |
| 9 | Decoupling Interfacial Contributions to The Enhanced Superconductivity in FeSe/SrTiO3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This approach produces a controllably electron doped superconducting layer constrained to the film-vacuum interface, analogous to the FeSe/STO interface but lacking any phonon coupling effect. Here, using a simultaneous combination of in situ electrical resistivity and ARPES, we systematically explore the evolution of superconductivity as a function of surface doping concentration at this coupling-free interface. |
Brendan Faeth; Chad Mowers; Yaoju Tarn; Paul Malinowski; Shuolong Yang; Darrell Schlom; Kyle Shen; |
| 10 | Towards Scanning Tunneling Spectroscopy of Iron-based Superconducting Van Der Waals Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we will discuss our efforts to measure exfoliated thin flakes of Fe(Te,Se) using scanning tunneling microscopy and spectroscopy that reveal the presence of multiple well resolved superconducting gaps highlighting high sample quality. |
Lingyuan Kong; Hyunjin Kim; Haoxin Zhou; Kenji Watanabe; Takashi Taniguchi; Genda Gu; Stevan Nadj-Perge; |
| 11 | “Universal"Δmax /Tc in Fe-based Superconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we perform a “high-throughput" scan across band masses and interaction parameters in a weak-coupling Suhl-Matthias-Walker model. |
siddhant panda; Peter Hirschfeld; |
| 12 | Thickness-dependent Strain Patterning in FeSe Films and Visualization of Electronic Nematic Domains Via Orbital-selective Tunneling Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work we grow strain-patterned multilayer FeSe thin films in a range of thicknesses using molecular beam epitaxy. |
Zheng Ren; Hong Li; He Zhao; Shrinkhala Sharma; Ilija Zeljkovic; |
| 13 | Microwave Spectroscopy of Majorana Vortex Modes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this paper, we theoretically propose a microwave-based charge parity readout of the Majorana vortex pair charge. |
Zhibo Ren; Justin Copenhaver; Jukka Vayrynen; |
| 14 | Understanding The Interplay Between Superconductivity and Atomic-scale Interface Structure of Multilayer FeSe /SrTiO3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report on the statistical analysis of the distance of FeSe and surface TiO 2 for both superconducting and non-superconducting states. |
Salva Salmani-Rezaie; Brendan Faeth; Chad Mowers; Yaoju Tarn; Paul Malinowski; Kyle Shen; David Muller; |
| 15 | Superconductivity and Upper Critical Field Behavior in FeSe Thin Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present an experimental study of the temperature dependence of Hc2, obtained in static magnetic fields up to 14 T and pulsed magnetic fields up to 65 T, in few-layer FeSe and Fe(Te,Se) films grown by molecular beam epitaxy on SrTiO 3 substrates. |
Max Stanley; Yanan Li; Johanna Palmstrom; Ross McDonald; Scott Crooker; Nandini Trivedi; Nitin Samarth; |
| 16 | Gapless Superconductivity Observed in Fe(Te,Se) Thin Films and Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using time-domain terahertz spectroscopy, we observe a gapless superconducting state in Fe(Te,Se) epitaxial thin films and in Fe(Te,Se) heterostructures with Bi 2Te 3 and MnTe grown by hybrid symmetry epitaxy. |
Jonathan Stensberg; Xiong Yao; Xiaoyu Yuan; Seongshik Oh; Liang Wu; |
| 17 | Determining Alloy Composition of Single-layer Iron Chalcogenides By Machine Learning of STM/STS Data Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we investigated the effect of chemical pressure in single-layer FeSe films grown on SrTiO 3(001) substrate by molecular beam epitaxy. |
Basu Oli; Qiang Zou; Huimin Zhang; Lian Li; |
| 18 | Calculations of The Local Electronic Structure of A Single Isoelectronic Impurity: Boron in Gallium Arsenide Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The results confirm a principal anion-like contribution to the LDOS and discuss the energy position at which the LDOS peak from the dopant emerges. |
Julian Zanon; Michael Flatté; Paul Koenraad; |
| 19 | Charge Transitions in Rare Earth-Vacancy- Defect Complexes in MgO for Optical Memories Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work we theoretically explore a novel class of defect complexes of RE- native vacancies in oxides for creating optically addressable long-lived charged states suitable to build ultra-dense atomic memories. |
Swarnabha Chattaraj; Supratik Guha; Giulia Galli; |
| 20 | Ensemble Hubbard-U Correction for Improved Transition Temperatures for Spin-Crossover Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a novel ensemble-average determination of a Hubbard- U correction on a reference spin-state and demonstrate that the method improves adiabatic total energy differences and thermodynamic properties of crossover aggregates. |
Angel Albavera Mata; Richard Hennig; Samuel Trickey; |
| 21 | Prediction and Synthesis of Novel Ultra-wide-band-gap Semiconducting Oxides Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: I will present the details of single-crystalline rutile GeO 2 film growth that navigates competing amorphous and hexagonal phases, as well as potential high-mobility p-type oxides with oxidation states that are difficult to synthesize such as SnO and PbO. |
Sieun Chae; |
| 22 | Adsorption-controlled Growth and Electronic Transport Properties of La-doped CaSnO3 Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: By introducing lanthanum as a dopant, we demonstrate robust and predictable doping of CaSnO 3. |
Fengdeng Liu; Tristan Truttmann; Prafful Golani; Jiaxuan Wen; Michelle Smeaton; Lena Kourkoutis; Steven Koester; Bharat Jalan; |
| 23 | SrHfO3 Films and Heterostructures Grown By Hybrid Molecular Beam Epitaxy Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: SrHfO 3 is a band insulating dielectric perovskite oxide with an extremely large bandgap (E g = 6.2 eV). According to density functional theory (DFT) modeling, SrHfO 3 will not … |
PATRICK GEMPERLINE; Suresh Thapa; Brian Opatosky; Wencan Jin; Ryan Comes; |
| 24 | Investigation of Structure Transformation in Ultra-thin SrRuO3 Films Driven By SrTiO3 Capping Layer Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, we demonstrated that a transformation from tetragonal (T-) phase to orthorhombic (O-) phase in ultra-thin films of SrRuO 3 (SRO) can be achieved by an additional SrTiO 3 (STO) capping layer. |
Akhilesh Singh; Uddipta Kar; Song Yang; Chun Lin; Chia-Hung Hsu; Wei-Li Lee; |
| 25 | Giant Enhancement of The Electron-phonon Coupling in Dimensionality-controlled SrRuO3 Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we demonstrate that the electron-phonon coupling in SrRuO 3 can be largely controlled by multiple knobs available in synthetic crystal structure. |
Inhyeok Choi; Seung Gyo Jeong; Taewon Min; Jaekwang Lee; Woo Seok Choi; Jongseok Lee; |
| 26 | Towards All-epitaxial Lead-free Metal-ferroelectric-metal Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We describe the effect of cationic flux ratios on SrRuO 3 properties such as surface morphology, electronic transport, and residual resistivity ratio (RRR). |
Anusha Kamath Manjeshwar; Sreejith Thampan Nair; Zhifei Yang; Anil Kumar Rajapitamahuni; Richard James; Bharat Jalan; |
| 27 | Structure Characterization and Magneto-transport Property of Untwinned SrRuO3 Thin Films with Different Thicknesses Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We found that the growth condition of initial SrO layer on a TiO 2 terminated SrTiO 3 (STO) (001) substrate is crucial for achieving a low residual resistivity in SRO films grown by adsorption-controlled growth technique, where a c(2×2) superstructure for the optimum initial SrO layer was revealed by the low energy electron diffractions. |
Uddipta Kar; Akhilesh Kr. Singh; Yu-Te Hsu; Chih-Yu Lin; Bipul Das; Cheng-Tung Cheng; Maarten Berben; Song Yang; Chun-Yen Lin; Chia-Hung Hsu; Steffen Wiedmann; Wei-Cheng Lee; Wei-Li Lee; |
| 28 | Engineering Metal Oxidation Towards Epitaxial Growth of Complex Iridates Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will present a detailed growth study, structural characterization and electrical transport in high quality, epitaxial IrO 2 and Sr 2IrO 4 films. |
Sreejith Thampan Nair; Zhifei Yang; DOOYONG LEE; Silu Guo; Jerzy Sadowski; Spencer Johnson; Abdul Saboor; Hua Zhou; Ryan Comes; Wencan Jin; K. Andre Mkhoyan; Anderson Janotti; Bharat Jalan; |
| 29 | Semi-metallic SrIrO3 Films Using Solid-source Metal-organic Molecular Beam Epitaxy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, MBE synthesis of iridium based thin films is extremely challenging due to high temperature (>2000°C) required to evaporate iridium and high oxygen pressure required to oxidize the iridium metal precursor. In this talk, we illustrate these synthesis challenges using a thermodynamics of the MBE phase diagram. |
Rashmi Choudhary; Sreejith Thampan Nair; Zhifei Yang; DOOYONG LEE; Bharat Jalan; |
| 30 | Epitaxial SrTiO3 Films with Dielectric Constants Exceeding 25,000 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, the low-temperature dielectric constant of epitaxial STO films is typically a few hundred to a few thousand. In this talk, we will resolve this long-standing issue. |
Zhifei Yang; DOOYONG LEE; Jin Yue; Judith Gabel; Tien-Lin Lee; Richard James; Scott Chambers; Bharat Jalan; |
| 31 | Voltage Control of Patterned Materials in Lateral SrFeO3-d/SrFeO2F Heterostructures Via Ionic Gating Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We demonstrate reversible voltage control between metal/insulator and insulator/insulator lateral patterns of epitaxial perovskite oxides and oxyfluorides via electrolytic gating, leading to electric field modulation of anisotropic transport and optical responses. |
Steven May; Benjamin Lefler; William Postiglione; Chris Leighton; |
| 32 | Synthesis and Stability of Thin Films of Purported Skyrmion Lattice Metal SrFeO3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: With this in mind, there is a clear need for high quality SrFeO 3 thin films, typically a challenge due to an unfavorable iron oxidation state and materials degradation 3. We synthesize and characterize SrFeO 3 thin films grown by pulsed laser deposition, addressing these challenges by varying growth conditions and encapsulating layers. |
Jennifer Fowlie; Woojin Kim; Harold Hwang; |
| 33 | Rotating Lattice Microstructure in Solid-phase Epitaxial Lateral Crystallization of Complex Oxides Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Lateral crystallization of the model perovskite oxide SrTiO 3 from an amorphous precursor can be seeded by selected areas of the surface of a patterned SrTiO 3 (001) … |
Rui Liu; Deepankar Sri Gyan; Peng Zuo; Samuel Marks; Donald Savage; Tao Zhou; Zhonghou Cai; Martin Holt; Serkan Butun; Shaoning Lu; Nasir Basit; Xiaobing Hu; Tirzah Abbott; Nathaniel Kabat; Susan Babcock; Thomas Kuech; Paul Evans; |
| 34 | Creating High-density NV- Centers in CVD Diamond Using High-energy Photons from Ar+ Plasma Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we present a novel and cost-effective approach to creating high-density NV- centers in a single crystal, CVD-grown diamond substrate with as-grown Nitrogen concentration < 1 ppm. |
Kapildeb Ambal; Prem Karki; Rupak Timalsina; Mohammadjavad Dowran; Abdelghani Laraoui; |
| 35 | Numerical Modeling of Two-Defect Spin Dynamics in A Hyperfine Field Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In these scenarios, the cluster-correlation expansion (CCE) method has proven to be a useful numerical tool in qualitatively and quantitatively capturing the effective spin coherence of the combined spin-bath system, and more recent generalizations have included population dynamics as well. In this work, we extend this generalized CCE method to capture the spin dynamics of two qubit spins coupled with a common bath of nuclear spins. |
Christopher Ciccarino; Felipe da Jornada; Prineha Narang; |
| 36 | Brillouin – Mandelstam Spectroscopy of Acoustic Phonons in Boron-Doped Diamond – Implications for Thermal Management of Ultra-Wide-Band-Gap Electronics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigated bulk and surface acoustic phonons in the boron-doped single-crystal diamond films using the Brillouin-Mandelstam light scattering spectroscopy. |
Erick Guzman; Alexander Balandin; Fariborz Kargar; Timothy Grotjohn; Frank Angeles; Reza Vatan Meidanshahi; Dylan Wright; Richard Wilson; Stephen Goodnick; |
| 37 | Integration of Nanoscale Materials for Quantum Sensing with Nitrogen-Vacancy Centers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will present our work integrating NV-rich diamond with quantum materials while maintaining or even enhancing the quality of NV sensors. |
Jacob Henshaw; Pauli Kehayias; Luca Basso; Rong Cong; Tzu-Ming Lu; Michael Lilly; Andrew Mounce; |
| 38 | Towards Coherent Charge Transport Between Individual Nitrogen Vacancy Centers in Diamond As A Platform for Quantum Information Processing Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we discuss the possibility of using photoionized charge carriers for quantum information transfer between NV qubits. |
Artur Lozovoi; Yunheng Chen; Gyorgy Vizkelethy; Edward Bielejec; Johannes Flick; Marcus William Doherty; Carlos Meriles; |
| 39 | Quantifying NV-center Spectral Diffusion By Symmetry Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation I will discuss our recent study of several nitrogen-vacancy (NV) centers in bulk diamond. |
Brendan McCullian; Harry Cheung; Huiyao Chen; Johnny Crossman; Gregory Fuchs; |
| 40 | Scalable Quantum Memory Nodes Using Nuclear Spins in Silicon Carbide Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: So far the challenge has been in realizing such quantum nodes with features for scalable quantum computing. We show here that using the solidstate spins in 4H-Silicon Carbide (4H-SiC) such a goal could be realized, wherein a controlled generation of highly coherent qubit registers using nuclear spins is possible. |
Roland Nagy; Shravan Parthasarathy; Birgit Kallinger; Florian Kaiser; Patrick Berwian; Durga Dasari; Jochen Friedrich; |
| 41 | Multiplexed Data Storage at Cryogenic Temperatures in Diamond Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we leverage strain-induced heterogeneity in the optical transitions of the nitrogen-vacancy (NV) center in diamond to demonstrate sub-diffraction charge state control of individual point defects. |
Richard Monge; Tom Delord; Carlos Meriles; |
| 42 | Demonstration of NV-detected NMR at 8.3 Tesla Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Nuclear magnetic resonance (NMR) is an invaluable spectroscopic technique for the characterization of molecular structures. NMR at high magnetic fields is highly advantageous because of its high resolution and improved sensitivity, enabling the resolution of small chemical shifts and offering new insights into the study of complex molecules. |
Yuhang Ren; Michael Coumans; Dylan Kawashiri; Cooper Selco; Alejandro Reyes; Benjamin Fortman; Susumu Takahashi; |
| 43 | Non-Markovian Spin-Bath Dynamics of A Single Nitrogen-Vacancy Center in Diamond Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In principle, non-Markovian environmental bath dynamics can present a perspective for understanding and combating quantum decoherence. |
Cooper Selco; Daniel Lidar; Susumu Takahashi; Nicholas Musat; Michael Coumans; Kyle Shi; |
| 44 | Photonic Structures and Divacancy Defects in The 4H-SiC-on-Insulator Platform Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk we will discuss our work on producing 100 mm diameter wafers of thin film 4H-SiCOI and fabricating single mode photonic waveguide structures with low loss (< 10 dB/cm) across a large spectral region spanning the near infrared to telecom wavelengths. |
Brett Yurash; Biqin Huang; Samuel Whiteley; Tsung Yang; Shanying Cui; Thaddeus Ladd; |
| 45 | Superconducting Gap Structure and Impurity Effect in Tetragonal FeSe1-xSx Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Thus, we performed magnetic penetration depth measurements and electron irradiation to study the superconducting state in tetragonal FeSe 1-xS x. |
Kota Ishihara; Masayuki Kobayashi; Masaki Roppongi; Kohei Matsuura; Yuta Mizukami; Marcin Konczykowski; Kenichiro Hashimoto; Takasada Shibauchi; |
| 46 | Superconducting Stiffness and Coherence Length of FeSe0.5Te0.5 Measured in Zero-Applied Field Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We find weaker ρ s and longer ξ than existing literature reports, and critical exponents which agree better with expectations based on the Ginzburg–Landau theory. |
Amit Keren; Motz Peri; Avior Almoalem; Amit Kanigel; |
| 47 | Spatially Dispersing Impurity-driven States in The Iron-based Superconductor FeTe0.55Se0.45 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: From this perspective, the iron-based superconductor FeTe 0.55Se 0.45 has been investigated by scanning tunneling microscopy with particular interest in spatially varying Yu-Shiba-Rusinov type impurity states [4] and zero-energy Majorana bound states at magnetic impurities [5] or in vortex cores [6]. In this talk, I will present Josephson scanning tunneling microscopy experiments with high energy resolution, showing another type of the spatially dispersing impurity states in FeTe 0.55Se 0.45, which can be connected to the surface topological nature of this material. |
Jinwon Lee; Sanghun Lee; Koen Bastiaans; Damianos Chatzopoulos; Genda Gu; Doohee Cho; Milan Allan; |
| 48 | Concurrent Ferromagnetism and Superconductivity in Fe(Te,Se) Van Der Waals Josephson Junctions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we report the first device transport measurements with a convincing smoking gun of topological superconductivity in Fe(Te 0.59Se 0.41) van der Waals Josephson junctions (vJJ). |
Gang Qiu; Hung-Yu Yang; Christopher Eckberg; Chi-Yen Chen; Lunhui Hu; Yanfeng Lyu; Peng Deng; Huairuo Zhang; Albert Davydov; Ruixing Zhang; Kang-Lung Wang; |
| 49 | Probing Time-reversal Symmetry Breaking in FeSe1-xTex Superconductors By Muon Spin Relaxation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report the results of zero-field (ZF) and transverse-field (TF) μSR measurements in single crystals of FeSe 1-xTe x both inside and outside the nematic phase. |
Masaki Roppongi; Koki Ogawa; Yipeng Cai; Guoqiang Zhao; Mohamed Oudah; Supeng Liu; Marta-Villa De Toro Sanchez; Cyrus Young; Jinsong Zhang; Igor Markovic; Takao Watanabe; Takenori Fujii; Kohei Matsuura; Kota Ishihara; Kenichiro Hashimoto; Douglas Bonn; Kenji Kojima; Yasutomo Uemura; Takasada Shibauchi; |
| 50 | FeTe/FeSe Superlattices: Epitaxial Growth and Transport Properties Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, the concept of interface superconductivity and superconducting proximity of FeSe on FeTe layers are included to design FeTe/FeSe superlattice system. |
THI HOA VU; |
| 51 | Broken Symmetry States in FeSe1-xSx Measured with STM/S Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We used scanning tunneling microscopy and spectroscopy to investigate the local symmetries of the electronic states in FeSe 1-xS x. |
MORGAN WALKER; Journey Byland; Timothy Boyle; Adrian Gozar; Zitong Zhao; Marvin Muller; Jakob Boeker; Ryan Day; Matteo Michiardi; Sergey Zhadanovich; Sergey Gorovikov; Tor Pedersen; Andrea Damascelli; Ilya Eremin; Valentin Taufour; Eduardo Da Silva Neto; Kirsty Scott; Steffen Boetzel; |
| 52 | Vertex Dominated Superconductivity in Intercalated FeSe Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we show that there is one-to-one correspondence between the enhancement in magnetic instabilities and superconducting pairing vertex. |
Mark van Schilfgaarde; Swagata Acharya; Mikhail Katsnelson; |
| 53 | Manipulating Polar Structures in Freestanding Antiferroelectric and Ferroelectric Membranes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk I will show recent progress on the synthesis and manipulation of polar ordering in ferroelectric and antiferroelectric nanomembranes and capacitors, fabricated after releasing epitaxial heterostructures grown on compatible oxide substrates. |
David Pesquera Herrero; |
| 54 | Hybrid Improper Ferroelectricity in A-cation Ordered Perovskite BaSrBi2O6: A First-principles Study Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In all of the metastable structures, we find that the breathing distortions observed in the bulk BaBiO 3 and SrBiO 3 are maintained, which stabilizes the charge-ordered insulating phase. |
min chul choi; Se Young Park; |
| 55 | Ultraviolet Raman Spectroscopy Characterization of (Ba,Sr)TiO3 Ruddlesden-Popper Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Pure SrTiO 3 ( x = 0) RP series with n varied from 10 to 50, as well as Ba xSr 1-xTiO 3 – based series with varied x and n = 6, 10 and 20 were investigated. |
Dmitri Tenne; airin eddins-schmidt; Caleb Burwell-Miller; Mark Hans; Matthew Barone; Darrell Schlom; |
| 56 | Berezinskii-Kosterlitz-Thouless Phases in Ultra-thin PbTiO3/SrTiO3 Superlattices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study the emergence of Berezinskii-Kosterlitz-Thouless (BKT) phases in (PbTiO 3) 3/(SrTiO 3) 3 superlattices by means of second-principles simulations. |
Javier Junquera; Fernando Gómez-Ortiz; Pablo Garcia-Fernandez; Juan M. López; |
| 57 | Polarization Induced By Oxygen Octahedral Rotations in Strained Sodium Niobate Thin Films Directly Imaged By Electron Ptychography Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Due to its extremely complicated phase diagram, bulk sodium niobate (NaNbO 3) has often been dubbed as the most complex perovskite system. Unlike prototypical ferroelectric … |
Harikrishnan K. P.; Yu-Tsun Shao; Aarushi Khandelwal; Kevin Crust; Ruijuan Xu; Harold Hwang; David Muller; |
| 58 | Tunable Magnetic Scattering and Ferroelectric Switching at The LaAlO3/EuTiO3/Sr0.99Ca0.01TiO3 Interface Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using a combination of magneto-transport and scanning SQUID measurements, we explore the interactions between ferroelectricity, magnetism, and the 2D electron system (2DES) formed at the novel LaAlO 3/EuTiO 3/Sr 0.99Ca 0.01TiO 3 (001) heterostructure. |
Gal Tuvia; Shay Sandik; |
| 59 | Tunneling Electroresistance in PbZr0.2Ti0.8O3-based Ferroelectric Tunnel Junctions with SrIrO3, LaNiO3, and La0.67Sr0.33MnO3 Electrodes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report a study of tunneling electroresistance (TER) in epitaxial ferroelectric tunnel junctions (FTJs) composed of ferroelectric PbZr 0.2Ti 0.8O 3 (PZT) barriers and correlated oxide electrodes. |
Yuanyuan Zhang; Le Zhang; Xia Hong; |
| 60 | Free-standing Complex Oxide Membranes Using Hybrid MBE Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we will present a detailed study for the synthesis of complex oxide nanomembranes with thickness ranging from 1 unit cell to several 100 nm. |
Shivasheesh Varshney; Sooho Choo; Zhifei Yang; Hyojin Yoon; Tristan Truttmann; Bharat Jalan; |
| 61 | Growth Mechanism for Epitaxial SrTiO3 Using Remote Epitaxy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we will present a detailed growth study using hybrid molecular beam epitaxy that employs a metal-organic precursor, titanium tetraisopropoxide (TTIP), to supply both Ti and oxygen (without the need for additional oxygen). |
Sooho Choo; Hyojin Yoon; Bharat Jalan; |
| 62 | Exploring Free-standing PbZr0.2Ti0.8O3 Membranes and Its Nonvolatile Gating Effect in Two-dimensional MoS2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report a comprehensive study of single crystalline free-standing PbZr 0.2Ti 0.8O 3 (PZT) and PZT/(La,Sr)MnO 3 (LSMO) membranes on different base-layers, including Au, LSMO/SrTiO 3 (STO), and 2D semiconductor MoS 2. |
Qiuchen Wu; Dawei Li; Kun Wang; Yifei Hao; Jia Wang; Alyssa Simpson; Xia Hong; |
| 63 | Twisted Complex Oxide Lateral Homostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, using multiferroic BiFeO 3 as a model system, we propose an efficient approach to fabricate twisted oxide lateral homostructures with various conjunction tunability, including crystalline orientation, epitaxial constrain and phase stability. |
Jan-Chi Yang; |
| 64 | Control of Ordering in A Polar Skyrmion Lattice Through The Ferroelectric Proximity Effect Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we show controlled ordering of polar skyrmions enabled through electrostatic coupling, controlled by the ferroelectric proximity effect in incipient ferroelectric SrTiO 3. |
Peter Meisenheimer; Han Gyeol Lee; Zhiyang Wang; Yu-Tsun Shao; Piush Behera; Vishantak Srikrishna; Arundhati Ghosal; Javier Junquera; David Muller; Long-Qing Chen; Lane Martin; Ramamoorthy Ramesh; |
| 65 | Designing Ferromagnetic Polar Half-metallic Oxide Superlattices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The system emerged to be half-metallic due to unpaired eg electrons in Ni-3 d. Further, we examined a series of compounds utilizing the trilinear mode coupling and found the same ferromagnetic polar half-metallic phase as the ground state. |
Monirul Shaikh; Gowsalya Rajan; Saurabh Ghosh; |
| 66 | Formation Pathways in Intercalated 2D Materials and Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will discuss electrochemically controlled lithium intercalation into nanoflakes of graphene, MoS 2, WTe 2, and their heterostructures using nanodevice electrochemical cells that allow structural characterization and magneto-transport property measurements as a function of lithium intercalation, in situ. |
Judy Cha; |
| 67 | Ultrathin Crystals of Bismuth Grown Inside Atomically-smooth Van Der Waals Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a new synthesis approach where crystals are grown in a nanoscale mold defined by atomically-flat van der Waals (vdW) materials. |
Amy Wu; Laisi Chen; Naol Tulu; Joshua Wang; Adrian Juanson; Kenji Watanabe; Takashi Taniguchi; Yinong Zhou; Chaitanya Gadre; Marshall Campbell; Luis Jauregui; Xiaoqing Pan; Ruqian Wu; Javier Sanchez-Yamagishi; |
| 68 | Towards Large-scale Growth of Blue Phosphorene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present a new pathway, by performing molecular dynamics (MD) simulations, to the possibility of large-scale blue phosphorene (BLP) growth on Nickel (Ni) substrate. |
Djuric brice TALONPA TCHOFFO; Ismail Benabdallah; Abderrahman Aberda; Petr Neugebauer; Anouar Belhboub; Abdelouahad El Fatimy; |
| 69 | Scanning Tunneling Microscopy and Spectroscopy of Pt-based Transition Metal Dichalcogenides Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: For PtS 2 we obtained the first STM images and determined a lattice constant of ~0.36 nm. |
Kuanysh Zhussupbekov; |
| 70 | Scanning Tunneling Microscopy Study of Gated Monolayer WSe2/RuCl3 Heterostructure Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using this device geometry, we can therefore create sharp doping gradients across the boundary. We will describe scanning tunneling microscopy and spectroscopy (STM/S) measurements of the interface to quantify the local band diagram in these devices. |
Madisen Holbrook; Xuehao Wu; Jordan Pack; Luke Holtzman; Matthew Cothrine; Jiaqiang Yan; David Mandrus; Takashi Taniguchi; Kenji Watanabe; Stephen Nagler; James Hone; Cory Dean; Abhay Pasupathy; |
| 71 | Synthesis of A Two-dimensional Crystal Within A Van Der Waals Gap Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we demonstrate a distinct approach in which the entire growth process occurs in an atomically confined 2D space inside a van der Waals (vdW) stack and synthesize a new 2D crystal that has no known bulk parent. |
Yanyu Jia; Yuan Fang; Yue Tang; Guo Yu; Tiancheng Song; Pengjie Wang; Guangming Cheng; Ratnadwip Singha; Ayelet Uzan; Michael Onyszczak; Kenji Watanabe; Takashi Taniguchi; Nan Yao; Leslie Schoop; Sanfeng Wu; |
| 72 | Controllable Graphene Synthesis in An Oxygen-free Environment Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This study sets the maximum oxygen concentration with respect to hydrogen to overcome graphene etching reactions. |
Jacob Amontree; Jacob Amontree; Xingzhou Yan; Tehseen Adel; Angela Hight Walker; Katayun Barmak; Richard Martel; James Hone; |
| 73 | Real-Time Adaptive Control of 2D Crystal Synthesis and Transformations Via in Situ Diagnostics: Janus Monolayers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we describe a general feedback approach to reveal and control the transformation pathways in materials synthesis by pulsed laser deposition (PLD). |
David Geohegan; |
| 74 | Synthesis and Characterization of High Concentrations of WS2 Monolayers Using Liquid Phase Exfoliation Method Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we systematically investigate the optimization of the synthesis of WS 2 nanosheets by exfoliating the WS 2 powder in isopropyl alcohol, a low boiling point solvent, using a low-power probe sonicator. |
Arjun Dahal; |
| 75 | Helical Polymers on Au (111) Surface: The Initial Step for Bottom-up Growth of Chevron-type Graphene Nanoribbons Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate the polymerization step by combining ab initio simulations and experimental STM measurements, identifying the packing and the adsorption geometry of helical polymers on the Au surface. |
Wenchang Lu; JIngsong Huang; Emil Briggs; Jacob Teeter; Kunlun Hong; Mamun Sarker; Chenggang Tao; Alexander Sinitskii; An-Ping Li; Jerzy Bernholc; |
| 76 | Coercivity Enhancement Induced By Substitutional Ni-dopin in Van Der Waals Ferromagnet Fe3GaTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present the coercivity enhancement induced by substitutional Ni doping in Fe 3GaTe 2. |
Hyobin Ahn; |
| 77 | Anomalous Hall Effect in 2D Fe3GeTe2/Heavy Metal Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we investigated FGT/heavy metal (HM) heterostructures using the anomalous Hall effect (AHE). |
Stasiu Chyczewski; Ji Shi; Kai Xu; Wenjuan Zhu; |
| 78 | Multiferroic Metal with Huge Polar Distortion Driven By Spin Ordering: Monolayer Fe3GeTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we study a polar metallic behavior in a two-dimensional material composed of an odd number of layers. |
Jisoo Nam; |
| 79 | Study of Magnetic Structure and Magnetic Fluctuations in Cr4.74Te8 Single Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: There is extraordinary interest in developing metallic 2D van der Waals materials that exhibit ferromagnetism (FM) with perpendicular magnetic anisotropy. Cr 4.74Te 8 is one such … |
Mitchel Vaninger; Feng Ye; Xiaoqian Zhang; Guang Bian; Thomas Heitmann; Alessandro Mazza; Paul Miceli; |
| 80 | Collective Excitations in 2D Helimagnets Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We found signatures of collective excitations at meV scale. |
Hung-Yu Yang; Gang Qiu; Abdullah Alrasheed; Fazel Tafti; Kang-Lung Wang; |
| 81 | Intrinsic Exchange Bias in Van Der Waals Alloy Cr0.45Pt0.55Te2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we report evidence of a novel magnetic structure in exfoliatable van der waals magnetic alloy Cr0.45Pt0.55Te 2 (CPT). |
Ryan Bailey-Crandell; Warren Huey; Archibald Williams; Joshua Goldberger; Roland Kawakami; |
| 82 | Optical Detection of Antiferromagnetic Dynamics in CrCl3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we show the optical detection of antiferromagnetic resonance in a bulk CrCl 3 crystal. |
Shekhar Das; Alex Melendez; I-Hsuan Kao; Francisco Ayala Rodriguez; Simranjeet Singh; P Chris Hammel; |
| 83 | Understanding The Anomalous Hall Effect in Co1/3NbS2 with Revised Crystal and Magnetic Structures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The magnetically ordered state is widely believed to be a form of collinear antiferromagnetism which preserves parity and time reversal symmetry, and there has been discussion about if and how such a state could lead to an AHE or whether the latter should be associated with a weak ferromagnetic moment seen immediately below the transition temperature. In this talk, I address this controversy by presenting new neutron diffraction data on single crystals of Co 1/3NbS 2 and an analysis which suggests that moments in the ordered phase stabilize in a non-collinear configuration. |
Greg MacDougall; Kannan Lu; Azel Murzabekova; Soho Shim; Junehu Park; Soyeun Kim; Lazar Kish; Yan Wu; Lisa DeBeer-Schmitt; Adam Aczel; Andre Schleife; Nadya Mason; Fahad Mahmood; |
| 84 | Spds* Tight-binding Calculation of The Local Density of States Near Vacancies in Wurtzite GaN Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We describe an approach to calculating the effects of impurities in bulk crystals by using an spds* (with spin-orbit coupling) tight-binding Green’s function formalism. |
Joseph Sink; Michael Flatté; |
| 85 | Database of Computed Properties for Color Center Defects in Silicon Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report the publication of a searchable online quantum defect database containing the computed properties of over 5000 distinct silicon defect structures. |
Vsevolod Ivanov; Alexander Ivanov; Jacopo Simoni; Prabin Parajuli; Liang Tan; Thomas Schenkel; |
| 86 | Controlling Doping in Ga2O3 and AlGaO3 Alloys Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: I will present comprehensive first-principles studies of dopant impurities and of point defects and unintentional impurities that can act as compensating centers. |
Chris Van de Walle; |
| 87 | Alloys of Orthorhombic Ga2O3, Al2O3 , and In2O3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we use density functional theory with hybrid functionals to elucidate how alloying Ga 2O 3 with Al 2O 3 and In 2O 3 can be used to modify the structural and electronic properties. |
Hartwin Peelaers; Sierra Seacat; John Lyons; |
| 88 | Role of Lattice Vibrations in Gallium Vacancy Formation in Monoclinic Ga2O3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The lattice vibrations and their contribution to the free energy are assessed using the generalized gradient approximation. |
Sai Mu; Mark Turiansky; Chris Van de Walle; |
| 89 | Transition Metals As Shallow Donors in Ga2O3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present an in-depth investigation of transition-metal impurities as shallow donors in monoclinic Ga2O3 using first-principles calculations within the framework of density-functional theory (DFT). |
Siavash Karbasizadeh; Sai Mu; Chris Van de Walle; |
| 90 | Atomic-displacement Threshold Energies and Defect Generation in Irradiated Β-Ga2O3 : A First-principles Investigation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We use molecular dynamics simulations, based on first principles density-functional methods, to determine the nature and stability of the defects generated by atoms knocked-out by particle irradiation at near threshold energies (found to be for Ga and for O). |
Blair Tuttle; Nathaniel Karom; Andrew O’Hara; Ronald Schrimpf; Sokrates Pantelides; |
| 91 | Defect and Dopant Characterization Using Terahertz Electron Paramagnetic Resonance Ellipsometry: Fe in Ga2O3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we introduce frequency-domain Terahertz Electron ParamagneticResonance (EPR) ellipsometry as a new fully polarization-resolving spectroscopy tool to study defects in semiconductors thin films and heterostructures at very high magnetic fields and very high frequencies. |
Mathias Schubert; Rafal Korlacki; Steffen Richter; Sean Knight; Philipp Kuehne; Vallery Stanishev; Megan Stokey; Zbigniew Galazka; Klaus Irmscher; Vanya Darakchieva; |
| 92 | Uniform and Controlled Si Doping of Ga2O3 By Disilane Via Hybrid Molecular Beam Epitaxy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we propose using diluted disilane (Si 2H 6/N 2) in a hybrid MBE to obtain Si-doped Ga 2O 3. |
Zhuoqun Wen; Elaheh Ahmadi; Kamruzzaman Khan; |
| 93 | Hydrogen As A Probe of VGa(2) in Β-Ga2O3 Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: While a number of O-H and O-D lines have been observed for hydrogen and deuterium in β-Ga 2O 3, it has been commonly reported that there is no absorption for the polarization … |
Amanda Portoff; Andrew Venzie; Michael Stavola; W. Beall Fowler; Stephen Pearton; Evan Glaser; |
| 94 | H Trapping at The Metastable Cation Vacancy in Α-Ga2O3 and Α-Al2O3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The O-H and O-D centers produced by the implantation of H + and D + into α-Ga 2O 3 have been studied by infrared spectroscopy and complementary theory [2]. |
Andrew Venzie; Amanda Portoff; Michael Stavola; W Fowler; Stephen Pearton; |
| 95 | Effect of Electric Field on The Ovac in Low Dimensional Β-Ga2O3 for Non-volatile Memory Application Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The purpose of this study is to conduct a theoretical and experimental assessment of the RS phenomena in planar and vertical LD: β-Ga 2O 3 nanostructures. |
Chandrasekar Sivakumar; Mon-Shu Ho; |
| 96 | Chip-Scale Electron Spin Resonance Spectroscopy of Spin-Active Defects in Epitaxial Β-Ga2O3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present results on the nature of defects in micron and sub-micron epitaxial β-Ga 2O 3. |
Arjan Singh; Jimy Encomendero; Felix Hensling; Kathy Azizie; Vladimir Protasenko; Kazuki Nomoto; Darrell Schlom; Debdeep Jena; Huili Grace Xing; Farhan Rana; |
| 97 | Self-Trapped Hole in Ultra Wide Bandgap Β-Ga2O3 Films; Its Temperature Dependent Luminescences Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: [2] The slight shift also suggests that STH is a deep level energy state. Our work has found this level to be ~1.30 eV relative to the valence band of β-Ga 2O 3. |
Isiaka Lukman; Leah Bergman; |
| 98 | Electronic Transport Studies of Ultrathin Bismuth Grown Inside Van Der Waals Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In my talk, I will present up-to-date transport data analysis including thickness-dependence and field effects on various ultrathin bismuth devices. |
Laisi Chen; Amy Wu; Naol Tulu; Joshua Wang; Adrian Juanson; Kenji Watanabe; Takashi Taniguchi; Yinong Zhou; Chaitanya Gadre; Marshall Campbell; Luis Jauregui; Xiaoqing Pan; Ruqian Wu; Javier Sanchez-Yamagishi; |
| 99 | Solitons and Topology: Observation of Cnoidal Wave Localization in Non-linear Topolectric Circuits Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we complement the non-linear differential equations with the theory of topological localization and develop an analytic description of the LCn state. |
Hendrik Hohmann; Tobias Hofmann; Tobias Helbig; Lavi Upreti; Alexander Stegmaier; Alexander Fritzsche; Tobias Müller; Ching Hua Lee; Martin Greiter; Ronny Thomale; |
| 100 | Emergence of The Non-Hermitian Topology in Generalized Eigenvalue Problems with Hermitian Matrices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we attempt a further extension of the topological band theory: extension of topological band theory to the generalized eigenvalue problem [7]. |
Takuma Isobe; Tsuneya Yoshida; Yasuhiro Hatsugai; |
| 101 | Distributed Topological Zero Modes in A Non Hermitian Quantum System Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The goal of this research is to examine the impact of both non-hermitian constitutive parameters, i.e directionality and gain/loss, in a coupled one-dimensional (1D) double-chain network. |
Lea Sirota; Sayan Jana; |
| 102 | Discrete Quantum Geometry for Nonlinear Optical Responses Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: For example, by constructing a 3-dimensional discrete quantum manifold of the Fermi surface, it has recently been demonstrated that the intrinsic Hall conductivity resolved in spin can be precisely computed [1]. In this study, we generalize this geometric approach to nonlinear optical responses for gapless topological materials. |
David Jones; |
| 103 | The Effect of Disorder and Nonlinearity on Topological Slow Light Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This makes these structures suitable to host robust slow light propagation – free of Anderson localization – over a broad range of frequencies. Here, we analytically and numerically study the stability of transport properties along such edges against disorder and nonlinearity. |
Jonas Karcher; Sarang Gopalakrishnan; Mikael Rechtsman; |
| 104 | Local Structural Study of MoTe2 Using Atomic Pair Distribution Function and EXAFS Techniques Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present the local structure study of 1T’ MoTe 2 over various temperatures ranging from 95K to room temperature by using scattering techniques more suited to the study local structures. |
Sumit Khadka; Milinda Abeykoon; Yu-Cheng Shao; Leighanne C. Gallington; Byron Freelon; |
| 105 | Supercurrent-induced Topological Phase Transitions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will present our recent results showing that finite current in superconductors can induce topological phase transitions, as a result of the deformation of the quasiparticle spectrum by a finite center-of-mass (COM) momentum of the Cooper pairs [1]. |
Kazuaki Takasan; Shuntaro Sumita; Youichi Yanase; |
| 106 | Topology of The Fermi Sea: Ordinary Metals As Topological Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This series of works provide a new perspective to study topology and universality in gapless quantum matters. |
Pok Man Tam; Martin Claassen; Charles Kane; |
| 107 | Bistable Design in Topological Mechanical Metamaterials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: And we demonstrate dramatically different stiffnesses at the opposite surfaces in the topologically polarized phase both theoretically and experimentally. |
Haning Xiu; Harry Liu; Andrea Poli; Kai Sun; Guangchao Wan; Ellen Arruda; Xiaoming Mao; Zi Chen; |
| 108 | Nonlinear Optical Detection of Dual Ferromagnetism and Antiferromagnetism in A Magnetic Weyl Semimetal Co3Sn2S2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In the archetypical magnetic Weyl semimetal Co 3Sn 2S 2, there remains multiple puzzles about its magnetic state, as well as its magnetic domains and domain walls. In this presentation, I will present a set of rotational anisotropy (RA) second harmonic generation (SHG) studies of this centrosymmetric magnetic Weyl semimetal Co 3Sn 2S 2. |
Youngjun Ahn; Xiaoyu Guo; Rui Xue; Kejian Qu; Kai Sun; David Mandrus; Liuyan Zhao; |
| 109 | Giant Surface Second Harmonic Generation from Layered Topological Type-II Dirac Semimetal PdTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we studied the surface-specific nonlinear optical property of PdTe 2 via rotational-anisotropic second harmonic generation (SHG). |
Syed Mohammed Faizanuddin; Ching-Hang Chien; Yao-Jui Chan; Si-Tong Liu; Chia-Nung Kuo; Chin Shuan Lue; Yu-Chieh Wen; |
| 110 | Magneto-scanning Near-field Optical Microscopy in Dirac Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we’ll show the results of our newly developed magneto-SNOM (m-SNOM) to investigate field dependence of plasmonic patterns and the tunability of the plasmon wavelength via magnetic field will be discussed. |
Makoto Tsuneto; Michael Dapolito; Zengyi Du; Lukas Wehmeier; Zijian Zhou; Wenjun Zheng; King Ping Wong; Shu Ping Lau; Xinzhong Chen; Suheng Xu; Qiang Li; Dmitri Basov; Mengkun Liu; |
| 111 | Magneto-optical Responses of Massive Dirac Fermions Derived from Kagome Magnet TbMn6Sn6 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we show magneto-optical responses originating from massive Dirac fermions in the kagome lattice magnet TbMn 6Sn 6. |
Kentaro Shoriki; Yoshihiro Okamura; Yusuke Nomura; Yukako Fujishiro; Aki Kitaori; Naoya Kanazawa; Ryotaro Arita; Yoshinori Tokura; Youtarou Takahashi; |
| 112 | Scanning Tunneling Microscopy and Spectroscopy Studies of Stanene on A Kagome Antiferromagnet Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we present the scanning tunneling microscopy/spectroscopy (STM/STS) studies of the stanene layer on the cleaved surface of FeSn. |
Zengle Huang; Zhiming Xu; Jiaqiang Yan; Brian Sales; Yong Xu; Weida Wu; |
| 113 | Correlating Local Chemistry with Electronic Structure in Magnetic Weyl Semimetal Co3Sn2S2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work we study the magnetic Weyl semimetal Co 3Sn 2S 2 using ARPES and x-ray photoelectron spectroscopy (XPS) to establish how local surface chemistry, topological electronic structure, and strong electronic correlations interact with one another. |
Sudheer Anand Sreedhar; Robert Prater; Vsevolod Ivanov; Antonio Rossi; Zihao Shen; Matthew Staab; Ittai Sidilkover; Makoto Hashimoto; Donghui Lu; Giuseppina Conti; Slavomir Nemsak; Hadas Soifer; Sergey Savrasov; Valentin Taufour; Inna Vishik; |
| 114 | Current Shunting Effects in Cd3As2: A Closer Look at The Topological-ferromagnet Interface Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Hakami-Larkin-Nagaoka and Tkachov-Hankiewicz models are used to evaluate the weak antilocalization. 2,3 We confirm the effects of current shunting, and discuss its detriment to the efficiency of spin-based devices. |
Nicholas Blumenschein; Gregory Stephen; Karen Grutter; Erick Sadler; Jennifer DeMell; Binghao Guo; Susanne Stemmer; Aubrey Hanbicki; Adam Friedman; |
| 115 | Anomalous Hall Effect in An Antiferromagnetic Weyl Semimetal Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose a picture for the evolution of the Weyl node under a magnetic field to qualitatively explain the temperature dependence of AHC in our compound. |
Yuxiang Gao; Shiming Lei; Yichen Zhang; Ming Yi; Emilia Morosan; |
| 116 | Coupling of Magnetism and Dirac Fermions in YbMnX2 (X= Bi, Sb) Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report inelastic neutron scattering measurements of magnetic excitations in YbMnBi2 and YbMnSb2. |
Xiao Hu; Aashish Sapkota; Zhixiang Hu; Andrei Savici; Alexander Kolesnikov; John Tranquada; Cedomir Petrovic; Igor Zaliznyak; |
| 117 | Direct Observation of Magnetic Domains in Rare-earth Weyl Semimetal CeAlSi Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our early study shows that CeAlSi hosts a heterogenous state that consists of both stable and metastable ferromagnetic domains[1,2]. |
Bochao Xu; Jacob Franklin; Hung-Yu Yang; Fazel Tafti; Ilya Sochnikov; |
| 118 | Fragile Flat-band Surface State in Ternary Transition Metal Chalcogenides NbIrTe4 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present a recent scanning tunneling microscopy study of the surface electronic structure of NbIrTe 4, together with ARPES measurements and DFT calculations. |
Jiabin Yu; Jiabin Yu; Giang Nguyen; Vanessa King; Mohamed Oudah; Hsiang-Hsi Kung; Meigan Aronson; Andrea Damascelli; Lukas Muechler; Sarah Burke; |
| 119 | Spin Chirality Induced Large Topological Hall Effect in Magnetic Weyl Semimetallic Eu2Ir2O7 (111) Epitaxial Thin Film Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we have studied the magnetotransport properties of epitaxial Eu 2Ir 2O 7 (111) thin film grown on YSZ by solid phase epitaxy technique. |
MITHUN GHOSH; |
| 120 | Thermal Chiral (gravitational) Anomaly in Antiferromagnetic Topological Weyl Semimetal NdAlSi Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: As a consequence, charge and energy pumping occurs between Weyl points of opposite chirality [1,2]. Here we report the emergence of such an effect in the antiferromagnetic Weyl semimetal NdAlSi, in which inversion as well as time-reversal symmetry are broken [3]. |
Pardeep Kumar; Mujeeb Ahmad; Md Shahin Alam; Xiaohan Yao; Fazel Tafti; Marcin Matusiak; |
| 121 | Gaps in Topological Magnon Spectra: Intrinsic Vs. Extrinsic Effects Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we discuss this approach for studies of topological magnons and other cases where the scattering intensity rapidly disperses in the vicinity of a singularity or band crossing in the spin excitation spectrum. |
Andy Christianson; |
| 122 | Interacting Topological Magnons in Ferromagnets and Antiferromagnets Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Herein, I concentrate on magnons – the elementary spin excitations of ferromagnets and antiferromagnets – and discuss several aspects of many-body effects caused by particle-number nonconservation. |
Alexander Mook; |
| 123 | Polarization Dependent Magneto-Raman Study of Phonons and Magnons in CoTiO3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We performed a study of the symmetry of the Raman active phonons and magnons in exotic quantum magnet CoTiO3. |
Thuc Mai; Maria Munoz; Tehseen Adel; Yufei Li; Kevin Garrity; Daniel Shaw; Timothy DeLazzer; Jeffrey Simpson; Kate Ross; Rolando Valdes Aguilar; Angela Hight Walker; |
| 124 | Ring Exchange Effects on Magnons in Topological Dirac Magnet CoTiO3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This study shows the power of combining TDTS and Raman spectroscopies with theoretical modeling to understand the nature of the magnetic excitations in quantum magnets. |
Rolando Valdes Aguilar; Yufei Li; Thuc Mai; Evan Jasper; Mohammed Karaki; Kevin Garrity; Chase Lyon; Daniel Shaw; Timothy DeLazzer; Adam Biacchi; Rebecca Dally; Daniel Heligman; Jared Gdanski; Tehseen Adel; Alex Giovannone; Maria Munoz; Jeffrey Simpson; Kate Ross; Nandini Trivedi; Yuan-Ming Lu; Angela Hight Walker; |
| 125 | Origin of Dielectric Response and Magneto-electric Properties of CoTiO3 Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Magnetic materials with kagome and honeycomb lattices harbor topological properties. One example is CoTiO 3 that consists of layers of Co 2+ ions on a honeycomb lattice and … |
Rathnayaka Mudiyanselage Dilan Rathanayaka; Despina Louca; John Schneeloch; |
| 126 | Gapless Dirac Magnons in CrCl3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we show that, distinct from CrBr3 and CrI3, gapless Dirac magnons are present in bulk CrCl3, with inelastic neutron scattering intensity at low temperatures approaching zero at the Dirac K point. |
Despina Louca; John Schneeloch; |
| 127 | Competing Magnetic Energy Scales in The Topological Ferrimagnet TbMn6Sn6 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present inelastic neutron scattering data showing strong ferromagnetic (FM) interactions within a Mn layer and reveal a magnetic bandwidth of ∼ 230 meV. |
Benjamin Ueland; Simon Riberolles; Tyler Slade; Douglas Abernathy; Garrett Granroth; Bing Li; Yongbin Lee; Paul Canfield; Liqin Ke; Robert McQueeney; |
| 128 | Detecting Thermal Hall in An Insulating Néel Antiferromagnet Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In our talk, we report the first thermal Hall data detected on an insulating antiferromagnet in MnPS 3 and MnPSe 3 below their Néel temperatures and discuss their potential as topological magnon materials. |
Mohamed Nawwar; Jiamin Wen; Joseph Heremans; |
| 129 | Magnons and Paramagnons in (111)-oriented Thin Films of Pyrochlore Iridates Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will present our recent work in fabricating the high quality Y 2Ir 2O 7 thin films and mapping the magnetic excitations with resonant inelastic x-ray scattering (RIXS). |
Michael Terilli; Jak Chakhalian; Yue CaO; Xun Jia; Wanzheng Hu; Huyongqing Chen; Gregory Fiete; Pontus Laurell; Mikhail Kareev; Tsung-Chi Wu; Xiaoran Liu; John Freeland; Jianshi Zhou; |
| 130 | Jackiw-Rebbi Magnons Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study a system of two-dimensional Dirac electrons (as is realized on the surface of a 3D topological insulator) coupled to an array of localized spins. |
Pablo Martinez; |
| 131 | Emergent Magnetic Properties at 2D Material/hexagonal Oxide Interface Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work we explore possible emergent multifunctionality in 2D polar materials like MnSSe (Janus structure), grown on h-LFO and Hf doped h-LFO. |
M J Swamynadhan; Saurabh Ghosh; Andrew O’Hara; Sokrates Pantelides; |
| 132 | Generation of New Ferroelectric Domains in PbTiO3/SrTiO3 Superlattices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, stabilization of other widths different from the optimal are possible within a given range. Studying these limiting cases we could observe that the mechanism for the destruction of domains is the progressive approach of the vortices towards the interface driving the system to a polarization wave directed along x-direction. |
Fernando Gómez-Ortiz; Pablo Garcia-Fernandez; Juan M. López; Javier Junquera; |
| 133 | Influence of Misfit Dislocations on Oxygen Vacancy Migration at SrTiO3/BaZrO3 Heterointerfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: For SrTiO 3/BaZrO 3 heterostructure, we employed atomistic simulations to predict the thermodynamic stability and atomic scale structure of misfit dislocations, which is found to depend on interface layer chemistry. |
William Ebmeyer; Pratik Dholabhai; |
| 134 | Near Infrared to Visible Intersubband Transitions in All-oxide Quantum Wells Using BaSnO3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will discuss MBE-grown Al 2O 3/BaSnO 3 quantum wells demonstrating a high level of confinement. |
Suyeong Jang; Stefan Zollner; Wente Li; Alexander Demkov; Agham Posadas; Yoshitha Hettige; |
| 135 | Crystalline and Polarization Orientation Control of BaTiO3 Thin Films on SrTiO3 -buffered Si for Electro-Optic Applications Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, the orientation dependence of BaTiO 3 for most films yields a dead layer (a region of the film with low electro optic response) for most device geometries. We report on a Si-on-insulator integrated film stack including a buffer layer that effectively negates this region from existing. |
Marc Reynaud; Huaixun Huyan; Chaojie Du; Wente Li; Agham Posadas; Xiaoqing Pan; Alexander Demkov; |
| 136 | Dynamic Processes in Strontium Cobaltite Bilayer Thin Films Driven By Oxidation and Reduction Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Transition metal oxides (TMOs) possess variable oxygen stoichiometry which can be the cause of distinct changes to physical and electronic properties. One such TMO, strontium … |
Jill Wenderott; Eric Dufresne; Yan Li; Hui Cao; Supratik Guha; Dillon Fong; |
| 137 | Theoretical Investigation of Octahedral Tilting and Bandgap Non-linearity in Monolayer Ruddlesden–Popper A2Pb1-xGexI4 Perovskites: A GGA(PBE)+SOC Level Study Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: A systematic investigation of the structural and electronic properties of pure and mixed (R-NH 3) 2Pb 1-xGe xI 4 systems, was performed with and without spin-orbit coupling (SOC), by using density functional theory (DFT). |
Mehreen Javed; |
| 138 | Role of Rare Earth Doping on Scintillation Enhancement in Yellow Emitting KZnF3 Nano Cubes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Herein, we report the KZnF 3 nanocubes as one of the candidates to get Ce 3+ doping and down conversion phenomenon under UV photon excitation as well as energetic x-rays to its low phonon energy and unique crystal structure. |
Navadeep Shrivastava; Zhiping Luo; Thomas Murray; Burak Guzelturk; |
| 139 | Interplay of Frustration, Strain and Phase Co-existence in The Mixed Valent Hexagonal Iridate Ba3NaIr2O9 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we will discuss the structure-property relationship in the mixed valent geometrically frustrated triple perovskite iridate Ba 3NaIr 2O 9 using detailed synchrotron diffraction, magnetization, thermodynamic and transport measurements. |
Charu Garg; Antonio Cervellino; Sunil Nair; |
| 140 | Compositional Study of Low Damping Epitaxial Lithium Aluminum Ferrite Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we present the study of the effect of composition on the magnetic properties of LAFO by varying the Fe concentration, examining Li 0.5Al (0.5)Fe (2.0)O 4 (LAFO2.0) and Li 0.5Al (1.0)Fe (1.5)O 4 (LAFO1.5) films. |
Daisy O’Mahoney; Sanyum Channa; Xin Yu Zheng; Yuri Suzuki; |
| 141 | Emergent Topological States Via Digital (001) Oxide Superlattices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our work demonstrates how to induce non-trivial topological states in (001) perovskite oxide heterostructures by rational design. |
Zhiwei Liu; |
| 142 | Transport and Spin Hall Properties of A15 Phase Ta3Sb Thin Films Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: The topological band structures of A15 compounds have been predicted to induce large spin Hall conductance[1]. Here, we have synthesized polycrystalline thin films of the A15 … |
Jidong Jiang; Qianheng Du; Ulrich Welp; Ramakanta Chapai; Hanu Arava; John Pearson; Anand Bhattacharya; |
| 143 | Precursor Inlet for Metal-Organic Molecular Beam Epitaxy of WTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To address this challenge, metal-organic precursors have been used in conjunction with MBE to synthesize WS 2 [1]. We adapt this process to synthesize WTe 2 by introducing the precursor W(CO) 6 into the MBE chamber. |
Gregory Lapit; Kevin Hauser; Christian Matt; Jason Hoffman; Jennifer Hoffman; |
| 144 | Non-trivial Topology and Fermi Surface of The Kagome Superconductor CsV3Sb5 Probed By De Haas-van Alphen Oscillation Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: The Fermi surface of the kagome superconductor CsV 3Sb 5 was studied using torque magnetometry. Based on electrical resistance and magnetization measurements, this compound … |
Keshav Shrestha; M. Shi; Thinh Nguyen; Duncan Miertschin; K. Fan; Liangzi Deng; David Graf; X. Chen; Paul C. W. Chu; |
| 145 | Magnetic Dirac Gap Fluctuation in The Intrinsic Quantum Anomalous Hall Insulator MnBi2Te4 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our study offers key insight into engineering quantum anomalous Hall effect and lossless transport applications at elevated temperature. |
Qile Li; Iolanda Di Bernardo; Johnathon Maniatis; Daniel McEwen; Michael Fuhrer; Mark Edmonds; |
| 146 | Magnetic and Transport Study of Magnetic Topological Insulators Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: From the scanning electron microscopy (SEM) measurement, we have confirmed the layered nature of the samples. |
SHANTANU MAJUMDER; Soumya Ray; |
| 147 | First Principle Exploration of Magnetism Andtopology Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: While discussing these, we would also like to mention the effects due to change in the lattice parameters, how the overall topological properties will change, the manifestation of the same will then be reflected in the calculated band structures. The reason being, change in lattice parameters will basically hints towards a change in the hopping terms, if we consider things within the perspective of tight binding model, these along with the influence by different correlation parameters, such as ‘Hubbard U’ will lead to the emergence of various nontrivial properties. |
Anan Sarkar; |
| 148 | Spin-valley Coupling in Defect-bound Electrons in A MoS2 Transistor Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report resonant tunneling through well-resolved spin states in MoS 2, whose spin-valley coupling we demonstrate by ground-state magneto-spectroscopy. |
Sangram Biswas; Radha Krishnan; Yu-ling Hsueh; Rajib Rahman; Bent Weber; |
| 149 | In-plane InAs Nanowires with Buffer and Capping Layers By Molecular Beam Epitaxy Selective Area Growth Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We studied selective area growth of InAs, GaAs, InGaAs, GaSb nanowires on InP(100) and InP(111) B substrates using molecular beam epitaxy. |
Pradip Adhikari; Anjali Rathore; Bernadeta Srijanto; Joon Sue Lee; |
| 150 | Examining The Relationship Between Dislocations and Nanoparticle Morphology Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: While the identification of dislocations using this technique is established in the literature [1], its insight into the relationship between the identifies defects and the crystal shape is underexplored. This work will present a numerical analysis of one such imaging of a semiconducting nanocrystal, showing how the 3-dimensional information provided using coherent imaging can be directly linked to particle morphology. |
Zachary Barringer; Edwin Fohtung; Nimish Nazirkar; Xiaowen Shi; Skye Williams; |
| 151 | Bandgap Engineering in III-V Nanowires By Post-growth Hydrogen Implantation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report bandgap engineering of GaAs/GaAsN nanowires by hydrogen implantation post-growth. |
Nadine Denis; Elena Blundo; Ada Krasnovsky; Ilaria Zardo; Mitsuki Yukimune; Fumitaro Ishikawa; Antonio Polimeni; Marta De Luca; |
| 152 | Scanning Tunneling Microscopy Study of Vibronic Coupling Due to Charged Impurity in Monolayer WS2 on Graphite Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report a novel impurity on chemical vapor deposition (CVD)-grown monolayer tungsten disulfide (WS2) on graphite. |
Lisa Frammolino; Madisen Holbrook; Hyunsue Kim; Andrew Murphy; Chih-Kang Shih; |
| 153 | Printing Homogeneous Single-layer Oxidized Graphene (SOG) Via Excimer UV for Engineering Graphene FETs Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we utilize an excimer UV in an ambient environment to synthesize single-layer oxidized graphene (SOG). |
MOHD MUSAIB HAIDARI; Jin Hong Kim; Jin Sik Choi; |
| 154 | Spin, Orbital, and Valley Structure of Chalcogen Vacancies in Monolayer MoS2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we combine low-temperature scanning tunneling microscopy (STM) and ab-initio density functional theory (DFT) calculations to unambiguously identify and characterize the single and double chalcogen vacancies in monolayer MoS 2. |
Hongyang Ma; Aliyar Thasneem; Bent Weber; Rajib Rahman; |
| 155 | Ultrafast Dynamics of Electron Injection from Cu Embedded Nanoparticles in CeO2 Aerogels Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Wide bandgap semiconductors, such as TiO 2 and CeO 2, have photocatalytic properties activated in the UV that can be used to drive electrical currents and enhance electrochemical … |
Tara Michael; |
| 156 | Dislocations As Natural Quantum Wires in Diamond Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we systematically investigate electronic properties of the glide set of partial dislocations in diamond with first principles calculations using hybrid exchange correlation functionals. |
Sevim Polat Genlik; Roberto Myers; Maryam Ghazisaeidi; |
| 157 | P-type Degenerate Doping of 2H-MoTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, in this work, we show a p-type degenerate doping of 2H-MoTe 2 using a monolayer of Tungsten Oxyselenide (TOS) – an amorphous, stable and high work-function oxide obtained by oxidation of WSe 2. |
Anjaly Rajendran; Hae Yeon Lee; Luke Holtzman; Song Liu; Katayun Barmak; James Hone; |
| 158 | Spin-defect Characteristics of Single Sulfur Vacancies in Monolayer MoS2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we report high-field magneto-spectroscopy to B=27T from three emission lines of deterministically induced sulfur vacancies in monolayer MoS 2 [1]. |
Andreas Stier; Alexander Hötger; Tomer Amit; Julian Klein; Katja Barthelmi; Thomas Pelini; Alex Delhomme; Marek Potemski; Clement Faugeras; Galit Cohen; Daniel Hernangomez-Perez; Takashi Taniguchi; Kenji Watanabe; Christoph Kastl; Jonathan Finley; Alexander Holleitner; |
| 159 | Symmetry-enabled Discovery of Quantum Defects in Two-dimensional Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Most importantly, we propose that 16 antisites in PTMCs serve as the most promising 2D-material-based quantum defect platform, due to their well-defined defect levels, optimal magneto-optical properties, and the availability of host materials. |
Jeng-Yuan Tsai; Arun Bansil; Qimin Yan; |
| 160 | Quantum Oscillations in High Mobility Few-Layer PdSe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we use few-layer graphene to contact few-layer PdSe 2 sheets that are encapsulated within hexagonal BN layers. |
Yuxin Zhang; |
| 161 | Vanadium-vacancy Defect Complexes in Monolayer Tungsten Diselenide Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a comprehensive study of the formation of defect complexes of vanadium substitutional dopants and selenium vacancies in monolayer tungsten diselenide. |
Jingda Zhang; Leyi Loh; Michel Bosman; Goki Eda; Su Ying Quek; |
| 162 | Topological Semimetals, Topological Phase Transitions, and Candidate Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In particular, we introduce our work on the multi-helicoid surface states associated with Dirac points. |
Shuichi Murakami; |
| 163 | Observing Topological Edge States in Graphene Using STM Wavefront Dislocations Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose a way to systematically measure topological winding numbers in 2D materials with chiral symmetry. |
Yuval Abulafia; Amit Goft; Nadav Orion; Eric Akkermans; |
| 164 | Exploring Unconventional Resistivity Scaling in Topological Semimetals for Interconnects Beyond Copper Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we will present first-principles calculation results of a representative Si-CMOS compatible topological semimetal CoSi, and report experimental evidence for surface-dominated transport in CoSi thin films, showing resistivity below that of the bulk single-crystals. |
Ching-Tzu Chen; Christian Lavoie; Nicholas Lanzillo; Utkarsh Bajpai; Oki Gunawan; Asir Intisar Khan; Guy Cohen; Teodor Todorov; John Bruley; Vesna Stanic; Hsin Lin; Ion Garate; Shang-Wei Lien; Yi-Hsin Tu; Gengchiau Liang; Cheng-Yi Huang; Arun Bansil; Sushant Kumar; Ravishankar Sundararaman; Jean Jordan-Sweet; Peter Kerns; Nathan Marchack; Tay-Rong Chang; |
| 165 | Bandstructure and Optical Response of Α-Arsenene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we focus on another group-V element, Arsenic, in the monolayer α-form. In particular, we will present its band properties at different levels of theory from DFT to quasi-particle self-consistent GW (QS GW) with and without vertex contributions (ladder diagrams) and with and without spin-orbit coupling (SOC). |
Niloufar Dadkhah; Walter Lambrecht; |
| 166 | Anisotropic Positive Linear and Sub-linear Magnetoresistivity in The Cubic Type-II Dirac Metal Pd3In7 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report a transport study on Pd 3In 7 which displays multiple Dirac type-II nodes in its electronic dispersion. |
Aikaterini Flessa Savvidou; Andrzej Ptok; Girish Sharma; Brian Casas; Judith Clark; Victoria Li; Michael Shatruk; Sumanta Tewari; Luis Balicas; |
| 167 | Electronic Structure of Quasi-1D Topological Nodal-line Semimetals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using angle-resolved photoemission spectroscopy (ARPES) and density-functional-theory calculations, we have shown that quasi-1D structure tellurides Ta XTe 5 ( X = Ni, Pt) are NLSMs, hosting Dirac-like surface states and nodal lines with quasi-2D electronic structures. |
Asish Kundu; Renu Choudhary; Santanu Pakhira; Tufan Roy; Turgut Yilmaz; Elio Vescovo; Masafumi Shirai; David Johnston; Abhay Pasupathy; Tonica Valla; |
| 168 | Surface State Hybridization and Tunable Band Inversion in Cadmium Arsenide Thin Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk we discuss the evolution of the surface states of (001) Cd 3As 2 films as the thickness is reduced to the regime where hybridization of the surface states occurs. |
Alexander Lygo; Binghao Guo; Arman Rashidi; Susanne Stemmer; |
| 169 | Less Is More: Vacancy-engineered Interacting Nodal-line Semimetals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show that lattice engineering with certain periodic distributions of vacancies yields a novel type of nodal-line semimetal which possess symmetry-enforced nodal lines, which are immune to arbitrarily large symmetry-preserving perturbations, and unusually robust accidental nodal lines. |
Mariana Malard Sales Andrade; |
| 170 | Strong Room-Temperature Bulk Nonlinear Hall Effect in A Spin-Valley Locked Dirac Material Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we show the bulk spin-valley locked state in BaMnSb 2 can generate a strong bulk NLHE at RT. |
Lujin Min; Hengxin Tan; Zhijian Xie; Leixin Miao; Ruoxi Zhang; Seng Huat Lee; Venkatraman Gopalan; Chaoxing Liu; Nasim Alem; Binghai Yan; Zhiqiang Mao; |
| 171 | Growth of Bulk Like Epitaxial Films of Weyl Semimetal TaAs on GaAs (001) Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation we discuss growth strategies to realize thick (100-300 nm) single crystal films and eliminate secondary phases. |
Jocienne Nelson; Anthony Rice; Ian Leahy; Rafal Kurleto; John Mangum; Amanda Shackelford; Mark van Schilfgaarde; Megan Holtz; Dan Dessau; Kirstin Alberi; |
| 172 | Thermomechanical Nanomolding of Topological Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present the use of thermomechanical nanomolding (TMNM) to fabricate nanowires of topological materials. |
Quynh Sam; Mehrdad Kiani; Gangtae Jin; Betul Pamuk; James Hart; Hyeuk Jin Han; Judy Cha; |
| 173 | Quantized Optical Hall Current in Topological Nodal-line Semimetal Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we find that for a topological nodal-line semimetal (NLSM) with nodal ring bulk states and drumhead surface states (DSS), a significant photocurrent can be produced by an electromagnetic (EM) wave by means of the optical Hall effect. |
Po-Hsin Shih; Thi-Nga Do; Godfrey Gumbs; Danhong Huang; Hsin Lin; Tay-Rong Chang; |
| 174 | Synthesis and Characterization of Cd3As2 Heterostructures As A Route to Broken Time Reversal Symmetry in A Dirac Semimetal Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To this end, we report on the MBE growth of Cd 3As 2 thin films on (In,Mn)As (001) which is a well-established ferromagnetic semiconductor with perpendicular magnetic anisotropy. |
Emma Steinebronn; Run Xiao; Saurav Islam; Wilson Yanez; Supriya Ghosh; Yongxi Ou; Juan Chamorro; Andre Mkhoyan; Tyrel McQueen; Yi Li; Nitin Samarth; |
| 175 | Strain-tuned Vortex Majorana Modes in Iron-based Superconductor Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we present our work of controlling topological band structure and vortex MZMs for topological FeSC LiFeAs by in-situ strain method. |
Wenyao Liu; |
| 176 | The Optical Conductivity of (K,Rb,Cs)Fe2As2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: A two-Drude analysis of the data quantitatively describes the data of all compositions. |
Ricardo Lobo; |
| 177 | Rationalizing Doping and Electronic Correlations in LaFe2As2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Assuming the same local interaction strength used to model the whole electron- and hole-doped BaFe2As2 family, our calculations reproduce the experimental Sommerfeld specific heat coefficient, which is twice the value predicted by uncorrelated band theory. We find that LaFe2As2 has a reduced bare bandwidth and this solves the apparent paradox of its sizeable correlations despite its nominal valence d6.5, which would imply extreme overdoping and uncorrelated behaviour in BaFe2As2. |
Luca de’ Medici; Tommaso Gorni; Diego Florez-Ablan; |
| 178 | Observation of Superconducting Vortices Carrying A Temperature-dependent Fraction of The Flux Quantum Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This work investigates isolated vortices in the hole-overdoped Ba 1-xK xFe 2As 2 (x=0.77) by using scanning superconducting quantum interference device (SQUID) magnetometry. |
Yusuke Iguchi; Ruby Shi; Kunihiro Kihou; Chul-Ho Lee; Mats Barkman; Andrea Benfenati; Vadim Grinenko; Egor Babaev; Kathryn Moler; |
| 179 | Soft-phonon and Charge-density-wave Formation in Nematic BaNi2As2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present the evolution of the diffuse scattering at the I-CDW wave vector which is already present at room temperature and the continuous softening of the unstable phonon branch [4]. |
Tom Lacmann; Sofia Souliou; Rolf Heid; Christoph Meingast; mehdi frachet; Luigi Paolasini; Amir Haghighirad; Michael Merz; Alexei Bosak; Matthieu Le Tacon; |
| 180 | Quantum Critical Behavior of The Charge-density-wave in Fe-doped BaNi2As2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we investigate Fe-doped BaNi 2As 2 using various thermodynamic and transport probes. |
Christoph Meingast; Liran Wang; Frederic Hardy; Anna Böhmer; Michael Merz; Thomas Wolf; Peter Schweiss; |
| 181 | High Temperature Resistivity of Electron Doped BaFe2As2 Based Superconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Phonon contribution was determined by measurements on heavily doped compositions beyond pseudogap regime [1] showing normal metallic temperature independent Hall effect and magnetic susceptibility. |
Makariy Tanatar; |
| 182 | Smectic Pair Density Wave Order in EuRbFe4As4 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Utilizing scanning tunneling microscope/microscopy (STM/S), we study such zero-field PDW state in a magnetic iron-based superconductor — EuRbFe 4As 4 (ER1144), which has coexisting helical magnetism ( Tm ~15K) and superconductivity ( Tc ~ 37K). In this material, at low temperature, we observed a long range, unidirectional, modulated superconducting gap with an incommensurate period of ~8 unit cells. |
He Zhao; Raymond Blackwell; Shigeyuki Ishida; Akira Iyo; Hiroshi Eisaki; Abhay Pasupathy; Kazuhiro Fujita; |
| 183 | Strain-Switchable Field-Induced Superconductivity Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we demonstrate field-induced superconductivity at T = 10 K and B = 0.27 T which can be turned on and off by applying uniaxial stress. |
Joshua J Sanchez; Paul Malinowski; Yue Shi; Gilberto Fabbris; Yongseong Choi; Jong-Woo Kim; Philip Ryan; Igor Mazin; Yina Huang; Jiun-Haw Chu; |
| 184 | Phenomenological Theory of Magnetic 90° Helical State in RbEuFe4As4 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In addition, the helix orientation may be fixed by the in-plane four-fold anisotropy term. We explored a rich phase diagram for such a state in the magnetic field applied perpendicular to the helix direction. |
Alexei Koshelev; |
| 185 | Synthesis of Boron Nitride Single Crystals Under High Pressure and Impurity/isotope Control for Their Functionalization Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this paper, our recent studies on hBN single crystals growth under HP with respect to impurity controls will be reported. |
Takashi Taniguchi; |
| 186 | James C. McGroddy Prize for New Materials Winner: Optical Properties of Far-UV Luminous Hexagonal Boron Nitride and Its Applications Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The polarization switching is promising for atomically thin nonvolatile memory application, and the single photon source is attracting attention as the future quantum devices. We will review these new aspects of h-BN especially the peculiar and outstanding optical characteristics. |
Kenji Watanabe; |
| 187 | James C. McGroddy Prize for New Materials Winner: Twist-Controlled Van Der Waals Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This presentation will describe experimental advances in the realization of twist-controlled van der Waals heterostructures of 2D materials, with examples from rotationally aligned double layers and twist-controlled moiré patterns of graphene and transition metal dichalcogenides. |
Emanuel Tutuc; |
| 188 | IUPAP Award Talk: Wigner Crystals in A Van Der Waals Heterostructure Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will discuss how van der Waals heterostructures made of atomically thin semiconductors form a new materials platform to investigate Wigner crystals and their quantum melting. |
You Zhou; |
| 189 | Control of Antiferromagnetic Dynamics in Nickelate Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work we examine the dynamics and energetics of antiferromagnetic (AF) domains. |
Charles Ahn; |
| 190 | Rashba Splitting in Infinite-layer Nickelate Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We explore the impact of spin-orbit interactions in infinite-layer NdNiO 2/SrTiO 3(001) and NdNiO 2/KTaO 3(001) film geometries by performing density functional theory simulations including a Coulomb repulsion term. |
Benjamin Geisler; |
| 191 | Reduction Optimization for Superconducting Lanthanum Nickelates Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Infinite-layer nickelates are promising candidates for studying unconventional superconductivity because of their electronic and structural similarities with the cuprates [1-2]. … |
Martin Gonzalez; Kyuho Lee; Jennifer Fowlie; Yonghun Lee; Yijun Yu; Bai Yang Wang; Harold Hwang; |
| 192 | Strain Engineering of Superconducting Properties in Infinite-layer Nickelates Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we will discuss our approach towards establishing strain as a tuning parameter of superconducting properties in the infinite-layer nickelates. |
Yonghun Lee; Xin Wei; Bai Yang Wang; Yijun Yu; Kyuho Lee; Harold Hwang; |
| 193 | Geometric Frustration of Jahn-Teller Order and Ice Rules in The Infinite-layer Cobaltate Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We observe a dramatically distorted infinite layer structure, with Angstrom-scale displacements of the cations from their high-symmetry positions. |
Woo Jin Kim; Michelle Smeaton; Chunjing Jia; Berit Goodge; Byoung-Gwan Cho; Kyuho Lee; Motoki Osada; Anton Ievlev; Brian Moritz; Lena Kourkoutis; Thomas Devereaux; Harold Hwang; |
| 194 | KTaO3-based Nanoelectronic Devices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we report reversible patterning of the 2DEG at the LAO/KTO interface using two techniques: (1) conductive atomic force microscope (c-AFM) lithography and (2) ultra low voltage electron beam lithography (ULV-EBL) [3]. |
Muqing Yu; Changjiang Liu; Dengyu Yang; Xi Yan; Qianheng Du; Dillon Fong; Anand Bhattacharya; Patrick Irvin; Jeremy Levy; |
| 195 | Robust Superconductivity at The KTaO3(111) Interfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We observe an anisotropic superconductivity with enhanced in-plane critical field, exceeding the Pauli limit. |
Ethan Arnault; Athby Al-Tawhid; Salva Salmani Rezaie; David Muller; Shalinee Chikara; Divine Kumah; Mohammad Bahramy; Gleb Finkelstein; Kaveh Ahadi; |
| 196 | Probing The Electronic Structure of (110)- and (111)-KTaO3 Two Dimensional Electron Gases By ARPES Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk we will present angle resolved photoemission spectroscopy (ARPES) measurements of the electronic structure of the 2DEGs stabilized in (110) and (111)-KTO surfaces and/or interfaces. |
Flavio Bruno; E. Martinez; J.I. Beltran; N. Nemes; J. Martínez; J. Dai; M. Tallarida; |
| 197 | Ferroelectric Field Effect Modulation of Superconductivity in LaAlO3/KTaO3 Heterointerface Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report the ferroelectric field effect control of superconductivity in the two-dimensional electron gas (2DEG) at LaAlO 3 (LAO)/KTaO 3 (KTO) interface. |
Yifei Hao; Qiuchen Wu; Kun Wang; Jia Wang; Xinyi Du; Erik Henriksen; Xia Hong; |
| 198 | COherent Bragg Rod Analysis of KTaO3 Surface/interface Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we used COherent Bragg Rod Analysis (COBRA) method to reconstruct the electron densities at the KTO surfaces/interfaces. |
Xi Yan; Changjiang Liu; Yan Li; Hua Zhou; Anand Bhattacharya; Dillon Fong; |
| 199 | Integration of Functional Nanoscale Vias with LaAlO3/SrTiO3 (LAO/STO) Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we describe a method for incorporating other nanomaterials with LAO/STO using “nanovias”, which are nanoscale regions where the LAO layer is etched away. |
Ahmed Omran; Muqing Yu; Dengyu Yang; Juliana Sebolt; Kyoungjun Lee; Patrick Irvin; Chang-Beom Eom; Jeremy Levy; |
| 200 | Clean Electrostatically Defined Constrictions in Strontium Titanate Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Clean electrostatically defined constrictions in strontium titanate. |
Evgeny Mikheev; Ilan Rosen; Johannes Kombe; François Damanet; Marc Kastner; David Goldhaber-Gordon; |
| 201 | Modifications of 2D-Transition Metal Dichalcogenides By Metal Incorporation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Van der Waals materials are stable as free-standing 2D sheets in various environments and can readily be manipulated and integrated with other materials. Here we explore if such 2D transition metal dichalcogenides can be modified by reaction with excess metals to create novel 2D materials and nanostructures. |
Matthias Batzill; |
| 202 | Prediction and Control of Optical Properties of HBN Defects From First-Principles for Application As Single Photon Emitters Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In our work, we focus on neutral and charged defects in monolayer hexagonal boron nitride (h-BN), using boron and nitrogen vacancies as prototypical examples. |
Fatimah Habis; Yuanxi Wang; |
| 203 | Tailoring Electronic Properties of NbSe2 By Cr Intercalation Via Molecular-beam Epitaxy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In particular, intercalating transition metals could provide a rich variety of magnetic properties depending on the combination of host TMD and intercalant elements as well as the in-plane arrangement of the intercalant atoms within the van der Waals gap. In this study, we focus on the electronic properties of the Cr-intercalated NbSe 2 epitaxial thin films grown by molecular-beam epitaxy and demonstrate its systematic evolution depending on the intercalation level through magnetization and transport measurements. |
Xiang Huang; Masaki Nakano; Bruno Kenichi; Satoshi Hamao; Hideki Matsuoka; Masato Sakano; Kyoko Ishizaka; Yoshihiro Iwasa; Yuki Majima; |
| 204 | Creation of Antisite Defects in Monolayer MoS2 and WS2 Via Proton Irradiation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present a comprehensive joint experiment–theory study on the generation and manipulation of individual point defects in monolayer MoS2 and WS 2 for the first time by varying proton irradiation energies. |
Burcu OZDEN; |
| 205 | STM Study of Point Defects in Two-dimensional CVD-grown Semiconductor Devices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: By studying these materials under a scanning tunneling microscope (STM), we can directly image the local density of states of TMD point defects in the presence of external fields, thus enabling a deep understanding of point defect electronic properties. In this talk, I will show our recent progress on a clean dry-transfer device fabrication method containing CVD grown 2D semiconducting TMDs and STM studies performed on these devices. |
Carlos Gonzalez; Zhehao Ge; Aiming Yan; Jairo Velasco Jr.; |
| 206 | Probing Electron Beam Induced Effects at The Single Atom and Defect Level Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Control of matter at the atomic scale is the key to building structures atom-by-atom. Currently only a handful of tools exist which have the precision to affect structures at the … |
Kevin Roccapriore; Maxim Ziatdinov; Matthew Boebinger; Ondrej Dyck; Ayana Ghosh; Raymond Unocic; Sergei Kalinin; |
| 207 | Probing The Nature of Defects in Graphene By Coupling The Experimental and Calculated Raman Spectra Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we experimentally create different defects density using plasma sputtering with different power on CVD graphene on the SiO2 substrate and the epitaxial graphene grown on the SiC substrate [1]. |
AIT ABDELKADER Sidi abdelmajid; Ismail Benabdallah; Kurt Gaskill; Petr Neugebauer; Abdelouahad El Fatimy; |
| 208 | Understanding The Role of Defects in Nanoscale Patterning in Graphene Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Graphene’s unique intrinsic properties have been great interests, and atomic scale modification of graphene is expected to control over its properties through geometric and strain … |
Sinchul Yeom; Ondrej Dyck; Mina Yoon; Andrew Lupini; Stephen Jesse; |
| 209 | A Chemo-mechanical Approach to Modifying Single Photon Emission in Monolayer WSe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, a combined approach of localized mechanical strain and chemical functionalization was used to create and isolate single photon emitters in monolayer WSe2. |
Sarah Gavin; Iqbal Utama; Hongfei Zeng; Tumpa Sadhukhan; Anushka Dasgupta; Riddhi Ananth; Dmitry Lebedev; Wei Wang; Jia-Shiang Chen; Kenji Watanabe; Takashi Taniguchi; Tobin Marks; Xuedan Ma; Emily Weiss; George Schatz; Nathaniel Stern; Mark Hersam; |
| 210 | Defects Graphene As Membranes for Water Desalination Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We estimate the defect density by fitting experimental Raman spectra to calculated spectra employing the spectral moment’s method [2] that incidentally also identifies the defects type (vacancies) and size (~ 1 nm – 2.6 nm). With this in hand, we can model a membrane’s molecular filtering efficiency using molecular dynamics simulation. |
Ismail Benabdallah; Mohammed Amlieh; AIT ABDELKADER Sidi abdelmajid; Kurt Gaskill; Abdelouahad El Fatimy; |
| 211 | Complex Excitonic Emissions in CVD Grown 1L-WS2 on 2D and 3D Interfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report on the intrinsic and extrinsic effects on the excitonic properties of single-layer WS 2 synthesized by ambient pressure chemical vapor deposition (APCVD). |
Eli Adler; |
| 212 | Watching (De)Intercalation of 2D Metals in Epitaxial Graphene: Insight to Defect Healing Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We estimate the Ag intercalation front to be 0.5 nm s -1 ± 0.2 nm s -1. |
Sujitra Pookpanratana; Falk Niefind; Jungjoon Ahn; Andrew Winchester; Chengye Dong; Rinu Abraham Maniyara; Joshua Robinson; |
| 213 | Electrochemical Method of Producing Ultra-Narrow Phosphorene Nanoribbons Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In recent years, phosphorene, a two-dimensional (2D) form of black phosphorous (BP), has been the subject of intense research due to its unique properties, including high carrier mobility (2,000 cm 2 V -1 s -1), thickness-dependent bandgap (0.3 – 2.0 eV), and strong in-plane anisotropy. |
Usman Abu; Sharmin Akter; Bimal Nepal; Gamini Sumanasekera; Hui Wang; Jacek Jasinski; |
| 214 | Ladder Ferroelectrics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To overcome these issues, one shouldexplore the nature of polarization in multi-layered van der Waals (vdW) stacks, how it is governed by intra-and inter-layer charge redistribution, and to whatextent it survives the additionof mobile charge carriers. To explore these questions, we conduct surface potential measurements of parallel WSe2and MoS2multi-layers with aligned and anti-aligned configurations of the polar interfaces[2]. |
Moshe Ben Shalom; |
| 215 | Ferroelectricity-driven Inhomogeneity and Giant Nonlocality in Graphene/twisted WSe2 Heterostructure Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report the observation resistance features on either side of the graphene’s Dirac point, which can be tuned further by applying a transverse electric field. |
Rahul Debnath; |
| 216 | Evolution of Concomitant Pseudogap Formation with The Β−to−β′ Structural Phase Transition in Melt-quenched As2Te3 Upon Chemical Doping Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have measured the temperature dependent infrared reflectivity of melt-quenched As 2Te 3 and have observed the formation of a pseudogap concomitant to the β to β’ phase transition. |
Jeremy Dion; Maureen Reedyk; |
| 217 | Moiré-driven Multiferroic Order in Twisted CrCl3, CrBr3 and CrI3 Bilayers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we will theoretically demonstrate the emergence of a multiferroic order in twisted chromium trihalide CrX 3 (X=Cl, Br, and I) bilayers using a combination of spin models and ab initio calculations [1]. |
Adolfo Fumega; Jose Lado; |
| 218 | Anisotropic Friction and Nano-welding in 2D Ferroelectric SnSe Monolayer Nanoplates Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report the anisotropic friction in SnSe monolayers first discovered by scanning tunneling microscope due to the strong commensuration between the monolayer and graphene substrate, while the SnSe bilayers show more isotropic manner on epitaxial graphene substrate. |
Jingrong Ji; John Villanova; Salvador Barraza-Lopez; Stuart Parkin; Kai Chang; |
| 219 | Switchable Moiré Potentials in Ferroelectric WTe2/WSe2 Superlattices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our study demonstrates the potential of creating new functional moiré materials by incorporating intrinsic symmetry-breaking orders |
Kaifei Kang; Wenjin Zhao; Yihang Zeng; Kenji Watanabe; Takashi Taniguchi; Jie Shan; Kin Fai Mak; |
| 220 | High-performing Van Der Waals Heterostructure Photodetectors Using CuInP2S6-based Ferroelectric Gate Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we demonstrate a new type of van der Waal heterostructure photodetector that includes a monolayer graphene channel and a CuInP 2S 6-based ferroelectric gate. |
Wei-Qing Li; Jia-Xin Li; Po-Liang Chen; Chang-Hua Liu; |
| 221 | Thickness-dependent Vibrational and Ferroelectric Properties in CuInp2S6 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will present Raman spectral data collected at room temperature and across the ferroelectric phase transition temperature ( T C ~315 K in bulk CIPS), probing structural changes (through variations in peak frequencies and widths) with dimensionality as well as T C. |
Rahul Rao; Stephanie Lough; Ryan Selhorst; Benjamin Conner; Masa Ishigami; Michael Susner; |
| 222 | Slippery Paraelectric Transition-metal Dichalcogenide Bilayers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Ferroelectric transition-metal dichalcogenide bilayers have been recently shown to become paraelectric [1], but not much has been said of the atomistic configuration of such a phase. In this presentation, numerical calculations that include molecular dynamics showcase this paraelectric atomistic structure [2]. |
Joseph Roll; Juan Marmolejo-Tejada; Shiva Poudel; Salvador Barraza-Lopez; Martin Mosquera; |
| 223 | Chemical Prediction of Skyrmion Lattice Candidates Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Recently, however, centrosymmetric SkLs were reported in lanthanide intermetallics, where the origin of the chiral texture is thought to be in frustrated Ruderman-Kittel-Kasuya-Yosida (RKKY) interactions.1–4 In this talk, we report a chemical design principle for SKL phases, based on combining our groups previous expertise predicting topological phases with RKKY magnets. |
Leslie Schoop; Grigorii Skorupskii; Fabio Orlandi; Milena Jovanovic; Rinsuke Yamada; Pascal Manuel; Max Hirschberger; |
| 224 | Deep Acceptor Characterization in Β-Ga2O3 Using Deep Level Optical Spectroscopy Methods Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show evidence for simultaneous electron and hole emission from this N state, and we elucidate its complex effects on the observed DLOS data and their analysis, which can be erroneous if not accounted for correctly. We present and demonstrate a solution to this issue so that accurate DLOS characterization can be achieved. |
Steve Ringel; Hemant Ghadi; Joe McGlone; Aaron Arehart; Alexander Senckowski; Shivam Sharma; Man Hoi Wong; Uttam Singisetti; |
| 225 | Symmetry-breaking and Reconstruction at Point Defects in Solids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our work presents a step forward for quantitative modelling of imperfect solids. |
Seán Kavanagh; Irea Mosquera-Lois; Aron Walsh; David Scanlon; |
| 226 | Electronic Structure and Band Alignment of Dilute III-V1-xBix Alloys Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using hybrid functional calculations, we predict the band-gap of III-Vs (III=Al, Ga, In and V=As, Sb) with low concentrations of Bi (3.125%, 6.25%) and the band alignment to their parent compounds. |
Abdul Saboor; Shoaib Khalid; Anderson Janotti; |
| 227 | Donor-Acceptor Pairs in Wide-band-gap Semiconductors for Quantum Technology Applications Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We use the Quantum Espresso code to determine the most stable charge transition states by computing total energy formation diagrams and evaluate zero phonon lines using constrained DFT. |
Anil Bilgin; Ian Hammock; Jeremy Estes; Hannes Bernien; Alexander High; Giulia Galli; |
| 228 | Stability and Optoelectronic Properties of Select Defects and Doping in Nickel Oxide Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Nickel oxide (NiO) is a transparent conducting oxide (TCO) that shows promise for novel semiconductor devices, such as next generation non-volatile resistive RAM (RRAM), solar … |
Samuel Cantrell; Luisa Scolfaro; Pablo Borges; Wilhelmus Geerts; |
| 229 | Theory of Charge Transfer Between Two Defects in A Wide-Bandgap Semiconductor Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, based on density-functional theory (DFT) and the theory of band bending, we quantitatively capture the average electric field measured at the location of N V – centers at the 15N + average implantation depth of d = 35 nm for the commonly used oxygen-terminated diamond (see [D. A. Broadway et al., Nature Electronics 1, 502 (2018)]). |
Rodrick Kuate Defo; Alejandro Rodriguez; Efthimios Kaxiras; Steven Richardson; |
| 230 | Ab Initio Study of Substitutional Nitrogen in Silicon: Linking The Defect to Its Spectroscopic Properties Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Indeed, for the simple case of substitutional nitrogen, there is still an ongoing debate on its fundamental properties, such as the number and nature (shallow or deep) of its charge transition levels (CTL). In this work, we focus on the substitutional nitrogen impurity (N Si) and propose a theoretical model that bridges the atomic scale structure and its corresponding spectroscopic signature. |
Chloe Simha; Luigi Giacomazzi; Gabriela Herrero-Saboya; Layla Martin-Samos; Anne Hemeryck; Nicolas Richard; |
| 231 | Dependence of ZnO-based Phosphor Spectral Emission on UV and X-ray Excitation Pulse Width Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This work explores the effects that various ionizing and non-ionizing excitation sources have on the spectral properties of ZnO:Zn and ZnO:Ga. |
Eric Westphal; Noelle Collins; Linda Hansen; Alan Kastengren; Caroline Winters; |
| 232 | Computational Prediction and Experimental Realisation of Earth-Abundant Transparent Conducting Oxide Ga-Doped ZnSb2O6 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we use hybrid density functional theory and a full defect chemistry analysis to demonstrate that ZnSb 2O 6 is an ideal transparent conducting oxide comprised of earth-abundant elements, and we identify gallium as the optimal dopant to yield high conductivity and transparency. |
Joe Willis; David Scanlon; |
| 233 | Role of Hydrogen in Gallium Oxide Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our comprehensive study of surface reconstructions establishes under which conditions hydrogen will be present on the surface, and how it will affect the growth. |
Chris Van de Walle; Mengen Wang; Sai Mu; Joel Varley; John Lyons; Darshana Wickramaratne; |
| 234 | Capture Cross Sections of Point Defects in Semiconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we employ the general theory developed in Ref. |
Xiaoguang Zhang; Guanzhi Li; Laura Nichols; Yue Yu; Andrew O’Hara; Georgios Barmparis; Sokrates Pantelides; |
| 235 | Quantum Spin Hall and Quantum Anomalous Hall Effects in AB-stacked MoTe2/WSe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will discuss the nature of the different topological states and topological phase transitions in AB-stacked MoTe2/WSe2 revealed by combining transport, optical and thermodynamic probes. |
Kin Fai Mak; |
| 236 | Electrical Manipulation and STM Visualization of 1D Chiral Edge States in A Moiré Quantum Anomalous Hall Insulator Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here I will discuss our scanning tunneling microscopy and spectroscopy (STM/STS) measurements of twisted monolayer-bilayer graphene (tMBLG), a system that has recently been discovered to exhibit the QAH effect as well as gate-switchable orbital magnetism in transport measurements. |
Tiancong Zhu; |
| 237 | Intrinsic Magnetic Topological Phases in A Two-dimensional MnPSe3 Monolayer Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We demonstrate that magnetic-orientation-dependent different topological states including the quantum anomalous Hall effect (QAHE) and time-reversal symmetry broken quantum spin Hall effect (QSHE) can be obtained in MnPSe3 monolayer, manifesting a promising material realization of topological spintronics in two-dimensional ferromagnet. |
Ilyoun Na; Marc Vila Tusell; Sinead Griffin; |
| 238 | Magnetic and Topological Properties of Quasi-two-dimensional Ferromagnetic Cr2Te3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Applying density functional theory (DFT) and maximally localized Wannier functions (MLWFs), we extract values for the exchange coupling constants and magnetic anisotropy for a model magnetic Hamiltonian and we determine the band topological properties resulting in the anomalous Hall effect (AHE) as a function of strain. |
Sohee Kwon; Yuhang Liu; Hang Chi; Gen Yin; Mahesh Neupane; Roger Lake; |
| 239 | Anomalous Hall Effect in Fe3GeTe2: Microscopic Mechanism and Uniaxial Strain Effect Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: It has important implications for understanding topological ferromagnetic materials and the discovery of magnetic materials exhibiting stronger topological features. Utilizing such topological stability, a quantum device that is resistant to external noise and information loss can be implemented, which is the subject of intensive global research. |
Mijin Lim; Byeonghyeon Choi; Je-Geun Park; Hyun-Woo Lee; |
| 240 | Tuning Ferromagnetism in 2D Magnet/topological Insulator Heterostructures Across Room Temperature By Epitaxial Growth Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we study the optimum growth conditions for the FGT/Bi 2Te 3 system using molecular beam epitaxy, through which we observed different magnetic properties for the heterostructures of different growth conditions. |
Wenyi Zhou; Alexander Bishop; Xiyue Zhang; Katherine Robinson; Igor Lyalin; Thow Min Jerald Cham; Ziling Li; Shuyu Cheng; Ryan Bailey-Crandell; Yunqiu (Kelly) Luo; Daniel Ralph; David Muller; Roland Kawakami; |
| 241 | Scanning Tunneling Microscopy Study of Epitaxially Grown Fe3GeTe2 Layer on The Topological Insulator Bi2Te3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We use spin-polarized scanning tunneling microscopy to study a single quintuple layer (QL) of Fe 3GeTe 2 (FGT) that is grown on Bi 2Te 3 via molecular beam epitaxy. |
Brad Goff; Alexander Bishop; Wenyi Zhou; Roland Kawakami; Jay Gupta; |
| 242 | Spin Transport in Topological Insulator Nanoribbons Sandwiched Between Two-dimensional Magnetic Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Having a small cross-section and a thin thickness leads to direct coupling of the surfaces, on the other hand, a thicker slab results in a higher contribution of the sidewall states which connect top and bottom surfaces. In this regard, we have considered a heterostructure consisting of a TI, namely Bi 2Se 3 , which is sandwiched between two-dimensional magnetic monolayers of CrI 3 to study its topological and transport properties. |
Nezhat Pournaghavi; Banasree Sadhukhan; Anna Delin; |
| 243 | Evolution of Magnetic Exchange Between Transition-metal Atoms in TiS2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we examine the magnetic and electrical properties of transition-metal atoms substituted into 2D titanium disulfide (TiS2). |
Patrick Keeney; Paula Coelho; Jason Haraldsen; |
| 244 | Topological Switch in A Near Room Temperature Van Der Waals Ferromagnet Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will present the evidence for a switchable topological phase in a metallic near room temperature van der Waals ferromagnet from high resolution angle-resolved photoemission spectroscopy measurements supported by a combination of other experimental techniques and theoretical models. |
Han Wu; Lei Chen; Paul Malinowski; Jianwei Huang; Qinwen Deng; Kirsty Scott; Bo Gyu Jang; Jacob Ruff; Ziqin Yue; Elio Vescovo; Sung-Kwan Mo; Jonathan Denlinger; Donghui Lu; Makoto Hashimoto; Yu He; Pengcheng Dai; Yimo Han; Robert Birgeneau; Jian-Xin Zhu; Eduardo Da Silva Neto; Liang Wu; Jiun-Haw Chu; Qimiao Si; Ming Yi; |
| 245 | Towards Topological Superconductivity in Epitaxial Superconductor-Semiconductor Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present unprecedented values of transparency and induced gap that could allow us to reach into previously unexplored parameter regimes. |
Javad Shabani; |
| 246 | Interface-Induced Superconductivity in MnBi2Te4/FeTe Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we use molecular beam epitaxy (MBE) to synthesize the MnBi 2Te 4/FeTe heterostructures. |
Zijie Yan; Wei Yuan; Hemian Yi; Zihao Wang; Yi-Fan Zhao; Ruoxi Zhang; Lingjie Zhou; Deyi Zhuo; Cui-Zu Chang; |
| 247 | Tunable Planar Josephson Junctions Driven By Time-Dependent Spin-Orbit Coupling Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose that with gate-controlled time-dependent spin-orbit coupling, it is possible to strongly modify the current-phase relations and Josephson energy and provide a mechanism to drive the JJ dynamics, even in the absence of any bias current [1]. |
David Monroe; Mohammad Alidoust; Igor Zutic; |
| 248 | Josephson Junction Dynamics with Rashba and Dresselhaus Spin-Orbit Coupling Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: By considering instead the time-dependent SOC, we examine several trends associated with the simultaneous presence Rashba and Dresselhaus SOC and explore the feasibility of their experimental demonstration. |
David Monroe; Dario Tringali; Alexander Quinn; Mohammad Alidoust; Igor Zutic; |
| 249 | Influence of Disorder on Vortex Majorana States in 3D Topological Insulators Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will present our numerical studies of the vortex subgap spectrum as a function of disorder, chemical potential, and the anti-dot size. |
Jukka Vayrynen; Rafal Rechcinski; Dmitry Pikulin; Roman Lutchyn; |
| 250 | Supercurrent in Superconductor-topological Insulator-superconductor Junctions with Vortices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Vortices in such heterostructures are theorized to bind MZMs, while SC-TI-SC junctions can potentially be used to fuse MZMs. In this work, we numerically investigate the relative strength of the trivial 2π and topological 4π contributions to the supercurrent in SC-TI-SC junctions with vortices, and using these results develop a MZM fusion protocol in such systems. |
Aleksei Khindanov; Jukka Vayrynen; Rafal Rechcinski; Dmitry Pikulin; Roman Lutchyn; |
| 251 | Edge Transport in Quantum Spin Hall Insulator-Superconductor Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will present theoretical and experimental results for the transport properties of QSHI-SC heterostructures formed by a InAs/GaSb double quantum well, designed to be in the QSHI phase, and superconducting Ta. |
Joseph Cuozzo; Enrico Rossi; Wei Pan; |
| 252 | Nanofabrication of Sn-based Superconductor / Topological Dirac Semimetal Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Moreover, upon heating α-Sn undergoes a phase transition to β-Sn, which becomes superconducting at low temperature (< 4 K). In this study, we utilize this rich phase diagram of Sn to fabricate superconducting β-Sn/topological Dirac semimetal α-Sn planar junctions. |
Keita Ishihara; Le Duc Anh; Tomoki Hotta; Masaaki Tanaka; |
| 253 | Topological Nodal-point Superconductivity in A 2D-antiferromagnet/superconductor Hybrid System Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present the discovery of a topological nodal-point superconducting phase in a hybrid system consisting of antiferromagnetic manganese (Mn) monolayer islands on top of the s-wave superconductor niobium (Nb) [9]. |
Roberto Lo Conte; Maciej Bazarnik; Eric Mascot; Dirk Morr; Kirsten von Bergmann; Roland Wiesendanger; |
| 254 | Superconducting Diode Effect in InAs/Al Josephson Junctions at High In-plane Magnetic Fields Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we study epitaxial InAs/Al Josephson junctions with various superconductor width in the presence of in-plane magnetic fields. |
Neda Lotfizadeh; PENG YU; William Strickland; Mohammad Farzaneh; Baris Pekerten; Alex Matos-Abiague; Javad Shabani; |
| 255 | Tunneling Spectroscopy of DC Voltage Biased Planar Josephson Junctions in A Hybrid Al/InAs Two-dimensional Electron Gas Heterostructure Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report on the density of states at two ends of the junction as a function of the DC bias voltage across the junction, the in-plane magnetic field, and the electron density in the junction. |
Teng Zhang; Tyler Lindemann; Michael Manfra; |
| 256 | Hybridization and Fusion of Majorana Bound States in Topological Planar Josephson Junctions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: A significant advantage of JJs is the tunable superconducting phase difference, which acts as an additional knob to control the topological phase [3]. Taking this advantage, we propose a novel platform of non-collinear JJs to manipulate MBS with phase control based on the fabrication of InAs/Al JJs. |
Tong Zhou; Jong Han; Alex Matos-Abiague; Javad Shabani; Igor Zutic; |
| 257 | Interface-Induced Superconductivity in Quantum Anomalous Hall-Iron Chalcogenide Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we use molecular beam epitaxy (MBE) to synthesize heterostructures formed by interfacing two magnetic materials, a ferromagnetic topological insulator with the quantum anomalous Hall (QAH) state and an antiferromagnetic iron chalcogenide (FeTe). |
Hemian Yi; Ying-Ting Chan; Jiaqi Cai; Xianxin Wu; Zijie Yan; Yi-Fan Zhao; Lingjie Zhou; Ruoxi Zhang; Ruobing Mei; Run Xiao; Ke Wang; Anthony Richardella; John Singleton; Laurel Winter; Moses Chan; Nitin Samarth; Xiaodong Xu; Weida Wu; Chaoxing Liu; Cui-Zu Chang; |
| 258 | Designing Magnesium Alloys from Density-functional Theory and Atomistic Models Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Over the past decade, significant effort has gone into the modeling of dislocations with first principles density-functional theory along with interactions with solutes. This includes flexible boundary condition methods to accurately predict dislocation cores, density-functional theory energy density methods to compute dislocation core energies, direct computation of solute interactions as well as intermediate modeling approaches to accelerate the computation of solute interactions. |
Dallas Trinkle; |
| 259 | Machine Learning and Monte Carlo Simulations of The Gibbs Free Energy of The Fe-C System in A Magnetic Field Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Density-functional theory (DFT) calculations provide sufficient accuracy but are computationally very demanding. To overcome this barrier, we apply the ultra-fast force field (UF 3) machine learning model [1] to approximate the DFT energy landscape. |
Ming Li; Richard Hennig; Luke Wirth; Dallas Trinkle; Ajinkya Hire; Stephen Xie; Michele Campbell; |
| 260 | Computational Prediction of The Chemical Order-disorder Phase Diagram of FeV Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report a computational prediction of the chemical order-disorder metastable phase diagram of iron-vanadium (Fe-V) binary alloys throughout the whole composition range. |
Cesar Diaz; Jorge Munoz; |
| 261 | Large-scale Search for Stable Tin Alloys with Machine Learning Potentials Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: We have recently developed an automated framework for generating accurate machine learning potentials (MLPs) to accelerate ab initio structure prediction. Following our … |
Daviti Gochitashvili; Aidan Thorn; Saba Kharabadze; Aleksey Kolmogorov; |
| 262 | First-principles Elastic and Mechanical Properties from Born Perturbation Expansion Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present an efficient and accurate approach for calculating the elastic tensor of crystalline solids based on interatomic force constants and Born perturbation expansion, applicable for any dimension [1]. |
Changpeng Lin; Samuel Poncé; Davide Campi; Nicola Marzari; |
| 263 | Mechanism Governing Electronic Charge Rearrangements in Random Alloys Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: It demonstrated that fluctuating internal electrostatic (“Madelung”) potentials arise generically in random alloys, due to the random environments characterizing any given lattice site. In this work, we establish the physical mechanism governing the statistics of these fluctuations, by analytically formulating an appropriate self-consistent screening theory for random system. |
Wai-Ga Ho; Mariia Karabin; Yang Wang; Markus Eisenbach; George Stocks; Xianglin Liu; Wasim Mondal; Hanna Terletska; Ka-Ming Tam; Liviu Chioncel; Vladimir Dobrosavljevic; |
| 264 | Electrical Resistivity of Disordered Systems Using First-principles LSMS Calculations Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We implement this method in the open source software package MuST (https://github.com/mstsuite/MuST) and validate it by calculating pure element and binary random alloy resistivities, which are well-studied. |
Vishnu Raghuraman; Markus Eisenbach; Yang Wang; Michael Widom; |
| 265 | Action Space and Features for Complex Multicomponent Alloys and Ceramics Property Prediction with Deep Reinforcement Learning Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We develop and implement a set of descriptors based on the elemental properties and ordering of atomic species. |
Artem Pimachev; Sanghamitra Neogi; |
| 266 | Multi-objective Optimization of High-entropy Alloy Properties Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we present a methodology for exploring Pareto-optimal compositions by combining ab initio based computational workflow with a Bayesian multi-objective optimization framework. |
Franco Moitzi; Oleg Peil; Max Hodapp; Lorenz Romaner; |
| 267 | Efficient Generation of Doped Crystal Structure Model By Combinatorial Mathematics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: A common approach for studying a solid solution or disordered system within a periodic ab initio framework is to create a supercell in which certain amounts of target elements are substituted with other elements. |
Ryo Maezono; Genki Prayogo; Andrea Tirelli; Keishu Uchimura; Kenta Hongo; Kousuke Nakano; |
| 268 | Sliding Ferroelectricity in 2D Materials: Related Physics and Extensions Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: The prediction of so-called "sliding ferroelectricity" has been confirmed recently in a series of experiments that have stimulated remarkable interest. Such … |
Menghao Wu; |
| 269 | Surface Oxidation and Magnetic Instability of Two-dimensional Chromium Tellurides Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: While most 2D ferromagnets discovered thus far do not show robust stability in ambient conditions, various Cr 1+δTe 2 compounds have been reported to be air-stable, despite the known sensitivity of tellurides in air. In this work, we have performed detailed and systematic studies on the stability of a representative Cr 1+δTe 2 phase (Cr 2Te 3), where we evidenced its rapid oxidation in an ambient environment via dramatic changes in Raman vibrational modes, growth of oxides in X-ray photoelectron spectroscopy and transmission electron microscopy studies, as well as significant reductions of magnetization over time. |
Amanda Coughlin; Sammy Bourji; Jun-Jie Zhang; Bingqiang Wei; Gaihua Ye; Zhipeng Ye; Jeonghoon Hong; Boris Yakobson; Rui He; Jian Wang; Yaroslav Losovyj; Liangzi Deng; Ching-Wu Chu; Shixiong Zhang; |
| 270 | Enhanced Strong Confinement in Low Refractive Index Photonic Crystal Slab Using Bound States in The Continuum and Its Interaction with TMDCs Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we propose a low refractive index polymeric 2D-periodic slab that supports symmetry protected BIC and accidental BIC at off-gamma point. |
Brijesh Kumar; Anuj singh; Kishor Mandal; Parul Sharma; ANSHUMAN KUMAR; |
| 271 | Recent Advances in Engineering Strategies of Bi-based Photocatalysts for Environmental Remediation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this article, complete outline of electronic structures, fundamental compositions, and synthesis schemes have been conferred such as degradation of water pollutants, H 2-evolution, and CO 2 photoreduction, N 2- fixation, as well as treatment of atmospheric pollutants. |
Jahan Zeb Hassan; |
| 272 | Autonomous Experimentation in 4D-STEM and EELS with Deep Kernel Learning Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we show how deep kernel learning (DKL) can be utilized to build relationships on-the-fly between local structural information (in the form of HAADF-STEM image patches) and local analytical responses. |
Kevin Roccapriore; Maxim Ziatdinov; Ondrej Dyck; Ayana Ghosh; Sergei Kalinin; |
| 273 | Strong Terahertz Field Induced Nonlinear Optical Effects in WSe2 and MoS2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study the effect of intense THz fields on the optical properties in WSe 2 and MoS 2, observing optical transmission through CVD grown large-grain samples. |
Yun-Shik Lee; Viela Guay; Spencer Thorp; Yue Zhang; Arend van der Zande; Matthew Graham; |
| 274 | Nanoscale Imaging of Local Vibrational States and Phonon Dynamics at Interfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We developed a series of novel space- and angle-resolved vibrational EELS methods [2] to probe local vibrational states and phonon dynamics at diverse interfaces. |
Xingxu Yan; Chaitanya Gadre; Xiaoqing Pan; |
| 275 | Coherent Spin-Phonon Coupling in The Layered Ferrimagnetic Crystal Mn3Si2Te6 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we use ultrafast optical microscopy to study the coherent lattice dynamics of the pseudo-van der Waals ferrimagnet Mn 3Si 2Te 6. |
Luis Martinez; Prashant Padmanabhan; Srinivasa Rao SINGAMANENI; Yu Liu; Cedomir Petrovic; Marshall Campbell; Michael Pettes; Rohit Prasankumar; |
| 276 | Sequential Magnetic Anisotropies in LaFeAs1-xPxO Uncover The Hidden Universality of Iron-pnictide Superconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Iron-pnictides have been at the center extensive research motivated by the unusual competition between exotic magnetic orders and unconventional superconductivity. Several … |
Omar Chmaissem; |
| 277 | Interplay of Antiferromagnetic Order with Superconductivity in CaK(Fe1-xMnx)4As4 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We characterize the magnetic order using NMR, Mössbauer spectroscopy, and neutron diffraction data for several compositions of CaK(Fe 1-xMn x) 4As 4. |
John Wilde; Paul Canfield; Sergey Budko; Aashish Sapkota; YUJI FURUKAWA; Andreas Kreyssig; Qing-Ping Ding; Mingyu Xu; Wei Tian; |
| 278 | Correlations in The Fe-Chalcogenide Semiconductor K5Fe4Ag6Te10 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present a study of K 5Fe 4Ag 6Te 10 (KFAT) which displays both nematic and magnetic order, as in Fe-based superconductors, but is a semiconductor with a relatively large magnetic moment which allows critical scattering to be probed reliably and accurately in 3d using neutrons. |
Nathan Giles-Donovan; Youzhe Chen; Shan Wu; Songxue Chi; Henyang Zhong; Xingye Lu; Yu Song; Robert Birgeneau; |
| 279 | Obstruction to Superconducting Pairing from Dirac Monopoles in Iron-based Superconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our work presents a new route for elucidating the topological properties of FeSCs. |
Shouvik Sur; Chandan Setty; Qimiao Si; |
| 280 | The Role of Structural Disorder on The Electronic Nematicity of Iron-based Superconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Additionally, since the nematic order is a vestige of the stripe-magnetic order, structural disorder creates non-trivial correlations between these two intertwined degrees of freedom. In this talk, we use Monte Carlo simulations to investigate models that capture these effects, going beyond a description in terms of the random-field Ising model. |
William Meese; Thomas Vojta; Rafael Fernandes; |
| 281 | An Emergent Quasi-2D Metallic State Derived from The Mott Insulator Framework Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The hole doping does not occur at the interfaces between SCO and STO; instead it comes from the transient layers between the chain-type and planar-type structures within the SCO sector. The present work reveals a novel metallic state in the infinite layer SCO and invites further exploration to elucidate the spatial extent of this state. |
Jiunn-Yuan Lin; |
| 282 | Evolution of The Infinite Layer Superconducting Phase from The Perovskite Phase Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have used a specially designed set up to perform in situ electrical measurements on the sample whilst the reduction is happening. |
Ariando Ariando; Saurav Prakash; Lin Er Chow; Shou Xuan Yap; Zhaoyang Luo; |
| 283 | Orbital-selective Mott Phase from A Dehybridization in A Multiorbital Hubbard Model Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we use the extended-DMFT (EDMFT) method so that inter-unit-cell correlation effects are taken into consideration. |
Fang Xie; Haoyu Hu; Lei Chen; Jian-Xin Zhu; Rong Yu; Qimiao Si; |
| 284 | Nematicity in Iron-based Superconductors: Emergent Symmetry at Transitions Between Composite Electronic Orders Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we analyze the fluctuations of one type of orders in the other. |
Yiming Wang; Rong Yu; Changle Liu; Jianda Wu; Qimiao Si; |
| 285 | Uncovering Atomic Arrangements in Epitaxial Systems Using Synergistic Computational and Experimental Approaches Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will demonstrate our approach in two different case studies. |
Wissam Saidi; |
| 286 | Dynamic Atomic-Scale Fundamental Mechanisms of The Initial Stages of Cu Oxidation Revealed By Environmental TEM Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To deepen our understanding of the atomic-scale dynamic processes of Cu 2O island formation on Cu during oxidation in situ, we are presently using correlated in situ high-resolution environmental TEM (ETEM) and atomistic theoretical simulations. |
Judith Yang; |
| 287 | Imaging and Controlling Epitaxial Nucleation and Growth Using Ultra High Vacuum Transmission Electron Microscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Microscope designs that maintain ultra high vacuum at the sample region enable atomically clean surfaces to be prepared on which reactive materials can be deposited. I will describe the application of these techniques to two types of epitaxial process. |
Frances Ross; |
| 288 | Real-time TEM Observations of III-V Nanowire Growth By Molecular Beam Epitaxy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present experimental observations of the growth of III-V nanowires using a transmission electron microscope (TEM) equipped with molecular-beam-epitaxy (MBE) sources. |
Federico Panciera; |
| 289 | Nonperturbative Geometric Effects in Laser Irradiated 3D Dirac Semimetals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This talk focuses on the Floquet states in 3D Dirac semimetals irradiated by circularly polarized laser fields (CPL). |
Takashi Oka; |
| 290 | Quantum Metric Plasmons: Quantum Geometry Enriched Intrinsic Bulk Non-reciprocal Plasmonics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Interestingly, we find that QMPs can even thrive in symmetric bands by responding to the parity and time reversal symmetry violations hidden in the Bloch wavefunction. |
Arpit Arora; Mark Rudner; Justin Song; |
| 291 | Non-perturbative Dynamics of Correlated Disordered Flat-band System Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We develop a numerical method for the time evolution of Gaussian wave packet on a flat-band-lattice in the presence of correlated disorder. |
Zhou Li; |
| 292 | Kapitza Stabilization of A Quantum Critical Order Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We explore the mechanism to control the quantum order near a quantum critical point (QCP) using a fast drive by an external field. |
Dushko Kuzmanovski; Gabriel Aeppli; Henrik Ronnow; Alexander Balatsky; |
| 293 | Giant Resonant Enhancement for Photo-induced Metastable Superconductivity in K3C60 Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: The search for new non-equilibrium functional phases in quantum materials has become a central research theme in condensed matter physics. In the alkali doped fulleride K 3C 60, … |
Edward Rowe; |
| 294 | Analysis of Photo-Pumped Hubbard Model on A Square Lattice Using Randomized Singular Value Decomposition Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate the dynamics of photo-excited states of the Hubbard model on a square lattice by decomposing the solution of the time-dependent Schrödinger equation into eigenmodes obtained by the randomized singular value decomposition (RSVD) [1]. |
Jun Tokimoto; Takami Tohyama; |
| 295 | Exciton-assisted Low-energy Magnetic Excitations in A Photoexcited Mott Insulator on A Square Lattice Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To uncover the nature of the photoinduced low-energy magnetic excitations of the Mott insulator, we numerically investigate the transient magnetic dynamics in a photoexcited half-filled Hubbard model on a square lattice [1]. |
Takami Tohyama; Kenji Tustsui; Kazuya Shinjo; Shigetoshi Sota; |
| 296 | Emergent Magnetism Due to Spin-phonon Coupling Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: While theoretically predicted phonon magnetic moments are tiny, recent experiments hint towards a significant magnetization in various materials. To explain these phenomena, we derive a coupling mechanism between the phonon angular momentum and the electron spin. |
R. Matthias Geilhufe; |
| 297 | Dynamics of Photo-induced Ferromagnetism in Oxides with Orbital Degeneracy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Inspired by recent experiments on spin-orbital ferromagnet YTiO3 we consider the nonequilibrium dynamics of Heisenberg ferromagnetic insulator with low-lying orbital excitations. We model the dynamics of the magnon excitations in this system following an optical pulse which resonantly excites infrared-active phonon modes. |
Jonathan Curtis; |
| 298 | Molecular Van Der Waals Fluids in Cavity Quantum Electrodynamics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we demonstrate that strong light-matter coupling can be used to tune van der Waals interactions, and, thus, control the thermodynamic properties of many-molecule systems. |
John Philbin; Tor Haugland; Ming Chen; Tushar Ghosh; Prineha Narang; Enrico Ronca; Henrik Koch; |
| 299 | Nonperturbative Treatment of The SSH Model Coupled to Quantum Light Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate how an optical cavity can modify electron-phonon coupling in the non-perturbative regime by developing a fully quantum-mechanical treatment of the structural and electronic properties of the Su-Schrieffer-Heeger model coupled to quantum light. |
Anatoly Obzhirov; Aaron Kelly; Angel Rubio; |
| 300 | Antiferromagnetic Excitonic Insulator State in Sr3Ir2O7 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: By isolating the longitudinal component of the spectra, we identify a magnetic mode that is well-defined at the magnetic and structural Brillouin zone centers, but which merges with the electronic continuum in between these high symmetry points and which decays upon heating concurrent with a decrease in the material’s resistivity. We show that a bilayer Hubbard model, in which electron-hole pairs are bound by exchange interactions, consistently explains all the electronic and magnetic properties of Sr 3Ir 2O 7 indicating that this material is a realization of the long-predicted antiferromagnetic excitonic insulator phase. |
Mark Dean; |
| 301 | Light-induced Insulator-metal Transition in Sr2IrO4 Reveals The Nature of The Insulating Ground State Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report the observation of a gap-closing and the formation of weakly-renormalized electronic bands in the gap region as a result of a light-induced insulator-metal transition in Sr 2IrO 4, measured via time- and angle-resolved photoemission spectroscopy. Considering the typical temperature and doping evolution of Mott-gaps and Hubbard bands, we argue that these observations provide a clear evidence of the non-Mott nature of the insulating state. |
Dongsung Choi; Doron Azoury; Changming Yue; Jiyu Chen; Francesco Petocchi; Zachary Porter; Edoardo Baldini; Baiqing Lyu; Masataka Mogi; Yifan Su; Stephen Wilson; Martin Eckstein; Philipp Werner; Nuh Gedik; |
| 302 | Strain-induced Superconductivity in Sr2IrO4 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, the magnetism remains strong for chemical doping. We model compressive strain as an additional knob to tune correlations in this multi-orbital compound. |
Lena Engström; Chia-Chuan Liu; William Witczak-Krempa; Tami Pereg-Barnea; |
| 303 | Proportionality Between The Magnetic Exchange Energy and Néel Temperature in Pyrochlore Ruthenates Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This strongly suggests the system is predominantly dependent on the superexchange interaction. This indicates that we have found a family of compounds in which we can freely tune the magnon energy. |
Jae Hyuck Lee; Dirk Wulferding; Dongjoon Song; Junkyoung Kim; Seungryung Park; Changyoung Kim; |
| 304 | Non-centrosymmetric Sr2IrO4 Obtained Under High Pressure Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we report a non-centrosymmetric Sr 2IrO 4 phase (Sr 2IrO 4-HP) synthesized at 6 GPa and 1400 °C. Sr 2IrO 4-HP crystallizes into the tetragonal space group I4 mm without an inversion center. |
Haozhe Wang; Madalynn Marshall; Zhen Wang; Kemp Plumb; Martha Greenblatt; Yimei Zhu; David Walker; Weiwei Xie; |
| 305 | Propagating Spin-Orbit Excitons in A Correlated Metal Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present a comprehensive study of the solid-solution Sr 2Rh 1-xIr xO 4, which is situated between the 4 d-electron metal Sr 2RhO 4 and the 5 d-electron Mott insulator Sr 2IrO 4. |
Valentin Zimmermann; Lichen Wang; Arvind Yogi; Huimei Liu; Deniz Wong; Christian Schulz; Maciej Bartkowiak; Klaus Habicht; Pascal Puphal; Masahiko Isobe; Matteo Minola; Giniyat Khaliullin; Bernhard Keimer; Matthias Hepting; |
| 306 | Localization and Delocalization in The Layered Phosphide EuCd2P2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The conductivity can be reproduced reasonably well using a Drude-Lorentz model, yielding an estimate for the Drude plasma frequency ω p,D ~1100 cm -1 and scattering rate 1/τ D ~800 cm -1. |
Christopher Homes; G.Lawrence Carr; Z.-C. Wang; Kyle Fruhling; Fazel Tafti; |
| 307 | Spiral Electronic Structure of Chiral Crystal NbSi2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To investigate the electronic structure of NbSi 2, we performed synchrotron-radiation angle resolved photoemission spectroscopy for both right-(P6 222) and left-handed (P6 422) samples. |
Cheng Zhang; |
| 308 | Non-local Electrodynamics in ReO3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present microwave spectroscopy measurements of high-purity ReO3 at low temperatures. |
Timothy Branch; Graham Baker; Mohamed Oudah; James Day; Alannah Hallas; Douglas Bonn; |
| 309 | Synthesis of Cage-structured Compounds for Thermoelectricity Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The main issue is that the physical parameters used to determine thermoelectric performance work against one another. |
Nusrat Yasmin; Md. Fahel Bin Noor; Sarah Longworth; Tiglet Besara; |
| 310 | Ferroelectric III-nitride Heterostructures and Nanostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk I will present recent advances of ferroelectric Sc-III-nitride heterostructures and nanostructures, including epitaxy, properties and emerging device applications. |
Zetian Mi; |
| 311 | Surface Lattice Resonances in Asymmetric Kagome Arrangements of Metallic Nanoparticles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present results for response modifications for other experimentally accessible nanoparticle systems that can dynamically simulate varying strain effects and orbital asymmetries in atomic lattices. |
Carina Cortes; Nancy Sandler; Lilia Meza-Montes; Sergio Ulloa; |
| 312 | Auger Recombination and Photocarrier Relaxation in Semiconductor Quantum Dots Under Intense Excitation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We conducted a wide range of measurements on the ultrafast lattice heating in lead selenide (PbSe) quantum dots (QDs) using ultrafast electron diffraction (UED). |
Jianming Cao; |
| 313 | An Analysis of Waveguiding in HBN for Studying The Optical Properties of 2D Semiconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: With the ubiquity of hBN employed in layered material stacks, in this work we computationally explore routes to in-couple and out-couple light to and from TMD films either embedded within, or supported by, hBN films ranging from a few monolayers to hundreds of nanometers. |
Cory Cress; Samuel LaGasse; Jose Fonseca Vega; Jeremy Robinson; Nicholas Proscia; Paul Cunningham; Maxim Zalalutdinov; |
| 314 | On Charge-Dipole And Dipole-Dipole Interactions In Two-Dimensional Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study the influence of the reduction of dimensionality on a charge-dipole and dipole-dipole interactions in 2D configuration space. |
Roman Kezerashvili; Vladimir Kezerashvili; |
| 315 | A Monolayer Semiconductor Free-Space Electro-Optical Modulator Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we demonstrate a monolayer tungsten disulfide (WS 2) free-space electro-optical modulator that offers 3 dB signal modulation (10% percentage points) at room temperature. |
Qitong Li; Jung-Hwan Song; Fenghao Xu; Jorik van de Groep; Jiho Hong; Alwin Daus; Yan Joe Lee; Amalya Johnson; Eric Pop; Fang Liu; Mark Brongersma; |
| 316 | Tunable and Reconfigurable 2D Devices on LaAlO3/SrTiO3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we create 2D structures and characterize their transport properties at different temperatures and magnetic fields. |
Ranjani Ramachandran; Muqing Yu; Dengyu Yang; Melanie Dieterlen; Qingrui Cao; Erin Akyuz; Kyoungjun Lee; Chang-Beom Eom; Benjamin Hunt; Patrick Irvin; Jeremy Levy; |
| 317 | Electronic and Structural Properties of Rare-earth Mono-pnictide (RE-V) Nanoparticles in III-V Matrices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate the stability of different nanoparticle shapes and sizes, from cubic to spherical, deriving a direct correlation between the electron density and atomic density associated with excess metal atoms at the interface. |
Ruiqi Hu; Quoc Dai HO; Quang To; Garnett Bryant; Anderson Janotti; |
| 318 | Plasmonic Nanofluids Composed of Nanorods for Visible to Mid-IR Wavelengths Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This talk will focus on the study of the optical resonances and photochemical activity of plasmonic solutions composed of nanorods (TiN and others), focusing on energy related applications. |
Eva Yazmin Santiago Santos; Alexander Govorov; |
| 319 | Tensile-strained InGaAs Quantum Dots with Interband Emission in The Mid-infrared Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To pursue light emission in the 2–4 μm range, we targeted tensile In 0.5Ga 0.5As QDs grown on GaSb(111)A. Although bulk In 0.5Ga 0.5As emits light at ∼1.5 μm, the 4% tensile strain in the QDs permits access to longer wavelengths. |
Paul Simmonds; Kevin Vallejo; Trent Garrett; Carlos Cabrera-Perdomo; Madison Drake; Baolai Liang; Kevin Grossklaus; |
| 320 | Nanoscale Programming of Ferroelectric Thin Films Using Ultra-low Voltage E-beam Lithography Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: The ability to control ferroelectric domains at nanoscale dimensions is essential for ferroelectric-based device fabrication, especially with atomically-thin films, and its impact … |
Dengyu Yang; John Hayden; Qingrui Cao; Muqing Yu; Erin Akyuz; Patrick Irvin; Benjamin Hunt; Jon-Paul Maria; Jeremy Levy; |
| 321 | Exciton Polariton Interactions and Nonlinear Polariton Parametric Emission in Transition-metal Dichalcogenides Materials Microcavities Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we demonstrate the systematic control of the coupling-strength by embedding multiple monolayers in a planar microcavity. |
Jiaxin ZHAO; Antonio Fieramosca; Kevin Dini; Ruiqi Bao; Wei Du; Rui Su; Weijie Zhao; Daniele Sanvitto; Qihua Xiong; Timothy C. H. Liew; |
| 322 | Electron-electron Correlation-induced Generation of Super-harmonics in The High Harmonic Spectrum in Perovskites Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using the time-dependent density-functional theory with the exchange-correlation (XC) kernel obtained by using dynamical mean-field theory, we analyze the role of effects of strong electron-electron correlations in the high-harmonic (HH) spectrum of perovskite BaTiO 3 excited by a laser pulse. |
Didarul Alam; Mike Chini; Volodymyr Turkowski; |
| 323 | Exploring Structural Order Parameters and Energy Landscape in A Thiophosphate Ferroelectric Sn2P2S6 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work we explore local structural features of Sn 2P 2S 6 to identify the relevant descriptors that correlate with polar order and observe their evolution across the phase transition using high-resolution scanning transmission electron microscopy (STEM) and density functional theory (DFT). |
Albina Borisevich; Blair Tuttle; Andrew O’Hara; Sabine Neumayer; Rama Vasudevan; Sokrates Pantelides; Petro Maksymovych; |
| 324 | Study of Antiferroelectric Domain Structures and Switching Behaviors of Epitaxial PbZrO3 Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Mechanisms other than antiferroelectricity, such as charge injection, migration of oxygen vacancies, etc., are easily induced at high electric fields and cover the contribution of antiferroelectricity in electromechanical signals. |
Yi-Chun Chen; Sheng-Zhu Ho; Ho-Sheng Chien; Lin Xin-Hong Lin; Pao-Wen Shao; Ying-Hao Chu; |
| 325 | From Chemical and Structural Considerations to New Stable Nitride Perovskites: A High Throughput Study Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we present a high throughput study of (AB)-N 3 compositional space and show how candidate materials can be identified using simple chemical and structural considerations. |
Bastien Grosso; Daniel Davies; Bonan Zhu; Aron Walsh; David Scanlon; |
| 326 | Competing Structural Phases in Layered Perovskite Niobates and Tantalates from First Principles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, the symmetry of these structural phases as well as the ferroelectric mechanism remains controversial, with several different experimental reports. With the aim of clarifying these issues, in this work we use group-theoretic analysis together with first-principles calculations to systematically explore the competing structural phases in Li 2SrNb 2O 7. |
Kishwar-E Hasin; Elizabeth Nowadnick; |
| 327 | Structural Prototypes of Disordered Ferroelectric Phases Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: A 26, 244 (1970)]. As these lower-symmetry phases can host many more symmetry-allowed distortions in a supercell of a given volume than the cubic paraelectric phase, we show how we can streamline the analysis and filter admissible candidates using symmetry-constrained primitive cell instabilities before optimizing the structures with density functional theory. |
Michele Kotiuga; Nicola Marzari; Giovanni Pizzi; |
| 328 | Chalcogenide Perovskites on The Verge of Ferroelectricity and Semiconductivity Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We find that the low mobility in BaZrS 3 arises from strong optical phonon scattering and hence is intrinsic in nature. |
Jiang Luo; Gwan-Yeong Jung; Bryce Sadtler; Jayakanth Ravichandran; Rohan Mishra; |
| 329 | Reversibly Controlled Ternary Polar States Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we report that square-tensile-strained BaTiO 3 produces in-plane spontaneous polarization, four-variants domains, and the defect-dipole, where their cooperation yields reversible control of ternary polar states. |
Yoon Seok Oh; Jun Han Lee; Nguyen Xuan Duong; Min-Hyoung Jung; Hyun-Jae Lee; Ahyoung Kim; Youngki YEO; Junhyung Kim; Gye-Hyeon Kim; Byeong-Gwan Cho; Jaegyu Kim; Furqan Ul Hassan Naqvi; Jong-Seong Bae; Jeehoon Kim; Tae Kwon Song; Jae-Hyeon Ko; Tae-Yeong Koo; Changhee Sohn; Kibog Park; Chan-Ho Yang; Sang Mo Yang; Jun Hee Lee; Hu Young Jeong; Tae Heon Kim; |
| 330 | Breaking of The Weak-coupling Mechanism in Polar Metals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we rationally design a polar metal oxide, utilizing oxygen vacancy ordering, which circumvents the weak-coupling principle. |
Danilo Puggioni; Jianbing Zhang; Pu Yu; James Rondinelli; |
| 331 | Electric Field Dependent Thermal Conductivity on Ferroelectrics and Beyond:Study on Polarization Waves in Electrostrictive Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present a new experimental investigation of that conclusion by providing thermal conductivity and resonant ultrasound spectroscopy data on single crystal ferroelectric 0.66Pb(Mg 1/3Nb 2/3)O 3 – 0.33PbTiO 3 (commonly referred to as PMN-PT) in an applied electric field. |
Delaram Rashadfar; Brandi Wooten; Joseph Heremans; |
| 332 | Long-lived THz-induced Birefringent State in Quantum Paraelectric KTaO3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We observed the coherent excitation of the soft phonon mode superimposed on an exponential decay. |
Diyar Talbayev; Xiaojiang Li; Peisong Peng; Hichem Dammak; Grégory Geneste; Alireza Akbarzadeh; Sergey Prosandeev; Laurent Bellaiche; |
| 333 | Ferroelectricity in The Polytypes of In2Se3 Grown By Molecular Beam Epitaxy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report low-temperature growth of various polytypes of In 2Se 3 on Si and SiO 2 substrates by molecular beam epitaxy (MBE) as well as their structural and electrical characterizations. |
Jinyuan Yao; Derrick Shao-Heng Liu; Shaoqing Ding; Susan Trolier-Mckinstry; Joan Redwing; Ying Liu; |
| 334 | Mesoscale Inhomogeneity Across Morphotropic Phase Boundary in Relaxor Ferroelectrics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will provide a comprehensive picture of the spatial ordering heterogeneities in the canonical relaxor ferroelectric 0.68PbMg 1/3Nb 2/3O 3-0.32PbTiO 3 (PMN-PT) film epitaxially synthesized on SmScO 3 substrate. |
Hao Zheng; Tao Zhou; Dina Sheyfer; Travis Frazer; Zhonghou Cai; Martin Holt; Eric Dufresne; Jieun Kim; Zishen Tian; Jiyeob Kim; Lane Martin; Yue CaO; |
| 335 | Topological Polar Phases in Confined Ferroelectrics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The theory of fundamental topological structures emerging in a divergenceless vector field was developed by Arnold [1] for hydrodynamics. |
Svitlana Kondovych; Yurii Tikhonov; Maksim Pavlenko; Anna Razumnaya; Valerii Vinokur; Igor Luk’yanchuk; |
| 336 | Long-Range Elastic Fluctuations Lead to The Emergence of Anisotropy In Thermoelectric GeTe Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Along the <111>_c direction, motion is almost uncorrelated, however, interactions are strengthened along the <100>c direction. Here, we show that this anisotropy naturally emerges from a Ginzburg-Landau model which couples polarization fluctuations through long-range elastic interactions. |
Charles Liang; Gian Guzman-Verri; Peter Littlewood; |
| 337 | Using EDMR to Characterize Deep Level Defects in Novel Solar Cells Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The devices in this study consisted of polycrystalline silicon grown on passivated n-type Czochralski grown Si wafer with p+ and n+ regions located on the bottom and top of the device, respectively. |
Elijah Allridge; Patrick Lenahan; Fedor Sharov; Abigail Meyer; Chirag Mule; Paul Stradins; |
| 338 | The Role of Native Defects and Their Diffusivity in CdTe Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: By using hybrid density functional calculations with spin-orbit coupling and large supercells, we investigate the electronic properties, the formation energies, and the diffusivities of the native defects in CdTe. |
Intuon Chatratin; Igor Evangelista; Anderson Janotti; |
| 339 | Role of Deep Levels in Semi-insulating Gallium Arsenide Pulse-compression Photoconductive Switches Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we theoretically show the impact of deep levels on electrical characteristics of a GaAs PCPS in both dark and illuminated mode. |
Yicong Dong; Shaloo Rakheja; |
| 340 | Density Functional Theory (DFT) Analysis of The Nitrogen Hyperdoping Ability to Induce Intermediate Band (IB) in Silicon Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose that the little influence of O on the IB is due to the well relaxed Si-O-Si bridging bonds. |
Abdennaceur Karoui; Fozia Sahtout; Branislav Vlahovic; |
| 341 | Shedding (x-ray) Light on As-local Structures and Defects in CdTe Solar Cells Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: For the low activation counterpart, we will present fittings suggesting the presence of a chlorinated ternary phase containing As. |
Srisuda Rojsatien; Niranjana Mohan Kumar; Trumann Walker; Barry Lai; Arun Kumar Mannodi Kanakkithodi; Maria Chan; Dan Mao; Mariana Bertoni; |
| 342 | Stability of The Black Perovskite CsSnI3: A Route to Eco-friendly Solar Cells Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We find a remarkable agreement with experiments in the transition temperatures and lattice thermal expansion. |
Lorenzo Monacelli; Nicola Marzari; |
| 343 | Atomic-scale Tuning of Ultrathin Memristors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using density functional theory with hybrid functionals, we investigated if Mg doping in Al 2O 3 can increase the performance of memristors. |
Sierra Seacat; Ryan Goul; Angelo Marshall; Hartwin Peelaers; Franciso Robles Hernandez; Judy Wu; |
| 344 | Trap-assisted Auger-Meitner Recombination from First Principles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose that trap-assisted Auger-Meitner (TAAM) recombination can account for the experimental observations. |
Fangzhou Zhao; Mark Turiansky; Chris Van de Walle; |
| 345 | Stabilizing Polar Phases in Binary Metal Oxides By Hole Doping Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: These metastable ferroelectric phases are typically stabilized using epitaxial strain, alloying, or defect engineering. Here, we propose hole doping is the key factor in all these methods that is responsible for stabilization of polar phases in binary metal oxides. |
Rohan Mishra; Tengfei Cao; Guodong Ren; Ding-Fu Shao; Evgeny Tsymbal; |
| 346 | Quasi-symmetry Protected Topology in Semi-metal Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present a different type of topological matter, in which approximate symmetries stabilize near-degeneracies of bands. |
Chunyu Guo; Lunhui Hu; Carsten Putzke; Jonas Diaz; Xiangwei Huang; Kaustuv Manna; Feng-Ren Fan; Yan Sun; Chandra Shekhar; Claudia Felser; Chaoxing Liu; Andrei Bernevig; Philip Moll; |
| 347 | 2D Superconductivity in A Nodal Loop Semimetal with Purely 3D Fermi Surfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We discuss the possible origin of the superconductivity in light of our angle-resolved photoemission spectroscopy and first-principles calculation results. |
Qi Zhang; Shafayat Hossain; Zijia Cheng; Brian Casas; Zahir Muhammad; Weisheng ZHAO; Rajibul Islam; Carmine Autieri; Yu-Xiao Jiang; Maksim Litskevich; Tyler Cochran; Luis Balicas; Zahid Hasan; |
| 348 | Stacked Quantum Hall Effect in BaMnBi2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, we report a stacked QHE in the layered Dirac material BaMnBi 2. |
Subin Mali; Yingdong Guan; Lujin Min; Zhiqiang Mao; David Graf; |
| 349 | Quantum Hall and Magneto-Seebeck Effects in Three-dimensional Dirac and Weyl Semimetals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In our talk, we discuss the magneto-Seebeck effect in 3D DWS. |
Fenda Pratama; |
| 350 | Axial Gauge Fields in Laser Irradiated 3D Dirac Semimetals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we focus on physical consequences from the axial fields such as generation of currents and spectral features, and discuss their possible experimental signatures[4]. |
Hung-Hsuan Teh; Tokiro Numasawa; Takashi Oka; |
| 351 | Automatic Generation and Topological Classification of Low-energy Hamiltonians at Multi-fold Degeneracies Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we show a method of generating general high-symmetry Hamiltonian with the goal of topologically classifying all possible multi-fold crossings in bandstructures of condensed matter systems. |
Kirill Alpin; Moritz Hirschmann; Niclas Heinsdorf; Andreas Leonhardt; Wan Yee Yau; Xianxin Wu; Andreas Schnyder; |
| 352 | Weyl-Hubbard System: A Platform to Investigate The Interplay Between Topology and Correlations Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, starting from the Weyl-Hubbard system, we investigate the quantum Hall effect to explore the effect of onsite Hubbard correlations on nontrivial Weyl band topology in the presence of an external magnetic field. |
Snehasish Nandy; Christopher Lane; Jian-Xin Zhu; |
| 353 | Topological Responses to Dislocations in Inversion-breaking Weyl Semimetals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Such anomalies describe topological responses to lattice defects such as dislocations and disclinations. In this talk we will explore and extend these concepts in the context of both type-I and II Weyl semimetals with broken inversion symmetry. |
Lei Gioia; |
| 354 | Massless Dirac Fermions on A Space-time Lattice with A Topologically Protected Dirac Cone Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we introduce an implementation of Dirac fermions on a space-time lattice that removes both obstructions. |
Michal Pacholski; Alvaro Donis Vela; Gal Lemut; Jakub Tworzydlo; Carlo Beenakker; |
| 355 | Weyl Points in A Quasicrystal Stack and Dense Fermi-Bragg Arcs Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We introduce a general mechanism for obtaining Weyl points in a stack of 2D quasicrystals, which can be extended to any stack of aperiodic layers. |
Andre Fonseca; Thomas Christensen; John Joannopoulos; Marin Soljacic; |
| 356 | Universal Conductance Fluctuations and Crossover Between Symmetry Classes in The Dirac Semi-metal Cd3As2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We find a factor of √2 reduction in the magnitude of the universal conductance fluctuations as the magnetic field is increased, due to breaking time-reversal symmetry. |
Saurav Islam; Run Xiao; Yongxi Ou; Juan Chamorro; Tyrell McQueen; Nitin Samarth; |
| 357 | Investigations of Hybrid 2D Semimetal Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Besides graphene, the only well studied 2D semimetal is WTe 2, which has strikingly different properties, including strong spin-orbit coupling, low symmetry, superconductivity and being a topological insulator in monolayers. We set out to investigate properties of hybrid combinations of these two semimetals, which could, for example, include strong induced spin-orbit coupling in the graphene or the modification of the superconductivity or excitonic pairing in the WTe 2. |
Eric Lester; Chun-Chih Tseng; Elliott Runburg; Paul Nguyen; Jarod Scribner; Paul Malinowski; Xiaodong Xu; Jiun-Haw Chu; Matthew Yankowitz; David Cobden; |
| 358 | Novel 2D Dirac and Weyl Semimetals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we will discuss three new variants of 2D Dirac materials including (1) unpinned 2D Dirac semimetals in α-antimonene, (2) Rashba spin-split 2D Weyl semimetals, and (3) interacting Dirac states in graphene heterostructures. |
Guang Bian; |
| 359 | Manipulation of Dirac Band Curvature and Momentum-dependent G Factor in A Kagome Magnet YMn6Sn6 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we will discuss the experimental discovery of a momentum-dependent g-factor in the kagome magnet YMn 6Sn 6. |
Hong Li; |
| 360 | Intriguing Magnetism of The Topological Kagome Magnet TbMn6Sn6 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we explore magnetic correlations in the recently identified topological kagome system TbMn 6Sn 6 using muon spin rotation, combined with local field analysis and neutron diffraction [1]. |
Charles Mielke; Zurab Guguchia; Wenlong Ma; Vladimir Pomjakushin; Oksana Zaharko; Simone Sturniolo; Victor Ukleev; Jonathan White; Jiaxin Yin; Stepan Tsirkin; Tyler Cochran; Marisa Medarde; Victor Porée; Debarchan Das; Ritu Gupta; Johan Chang; Zhi-Cheng Wang; Rustem Khasanov; Titus Neupert; Alex Amato; Leandro Liborio; Hubertus Luetkens; Shuang Jia; |
| 361 | Influence of Ga Doping on The Magnetic Anisotropy of The Kagome-lattice Magnet TmMn6Sn6 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present magnetic and magnetotransport measurements on a single crystal and first principles calculations in the doping series TmMn 6Sn 6-xGa x. |
Mohamed El Gazzah; |
| 362 | Tuning TbMn6Sn6 Via Cr Doping Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The ferrimagnet TbMn 6Sn 6 was recently claimed to be a quantum-limit Chern topological magnet [1], but the physics of this system is still being debated [2]. We present data on single crystals of Tb(Cr xMn 1-x) 6Sn 6 showing that doping with the largely non-magnetic Cr effectively tunes this system. |
Jonathan DeStefano; Elliott Rosenberg; Olivia Peek; Kamal Harrison; Jiun-Haw Chu; |
| 363 | Incommensurate Magnetic Order in Topological Antiferromagnet ErMn6Sn6 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present detailed single-crystal neutron diffraction data for Er166 as a function of temperature, showing complex incommensurate antiferromagnetic (AFM) order between temperatures of T ER ≈ 88 and T N ≈ 350 K. |
Tianxiong Han; Simon Riberolles; Wei Tian; Tyler Slade; Paul Canfield; Benjamin Ueland; Robert McQueeney; |
| 364 | Large Room Temperature Anomalous Transverse Thermoelectric Effect in Kagome Antiferromagnet YMn6Sn6 Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Kagome magnets possess several novel nontrivial topological features owing to the strong correlation between topology and magnetism that extends to their applications in the field … |
Subhajit Roychowdhury; Andrew Ochs; Satya Guin; Kartik Samanta; Jonathan Noky; Chandra Shekhar; Maia Garcia Vergniory; Joshua Goldberger; Claudia Felser; |
| 365 | Topological Nernst Effect in Ternary Kagome Compound ScMn6Sn6 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The similarity between the critical fields and the critical temperatures of THE and TNE suggest that both these phenomena have the same origin. In this talk we will discuss our attempt to understand the origin of these effects. |
Richa Pokharel Madhogaria; Shirin Mozaffari; Takahiro Matsuoka; William Meier; Rui Xue; David Mandrus; |
| 366 | Interplay Between Local Symmetry Breaking, Magnetic Order and Weyl States in Co3Sn2S2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The ferromagnetic order along the c axis was confirmed from our half-polarized neutron technology below T C. Using neutron total scattering, we found a striking local symmetry breaking from rhombohedral R-3m to monoclinic Cm co-emerges with the onset of ferromagnetic order below T C. |
Qiang Zhang; |
| 367 | Large Magnetocaloric Effect in RMn6Sn6 Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: A giant MCE has been found in materials with large rare-earth content but the search for earth-abundant systems has proven to be extremely challenging. Here we present our results on the Kagome magnets RMn 6Sn 6 (R=Rare Earth) that order near and above room temperature with a considerable MCE and with less than 8% rare-earth content. |
Kyle Fruhling; Alenna Streeter; Xiaohan Yao; William Ratcliff; Fazel Tafti; |
| 368 | Evolution of Spin Structure in Kagome Metal Sc0.8Hf0.2Mn6Sn6 Under Magnetic Field Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have used single crystal neutron diffraction to investigate the evolution of the complex spin configuration with magnetic field applied both in in-plane and along the c-axis. |
Zachary Morgan; Richa Madhogaria; Shirin Mozaffari; Rui Xue; David Mandrus; Feng Ye; |
| 369 | Transient Lattice Dynamics of Metal Halide Perovskites Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: As such, these materials offer significant prospects for use in light absorption and emission technologies including solar cells, light emitting diodes, and lasers. We report studies of transient X-ray diffraction paired with temperature dependent diffraction and optical studies that probe the response of the lattice in these materials to optical excitation. |
Richard Schaller; |
| 370 | Light-induced Structural Dynamics in 2D Halide Perovskites Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk I will describe our work over the year on 2D-HaPs on understanding and tailoring light-induced structural behaviors, novel photo-physical behaviors, and charge transport for high-efficiency optoelectronic device, with technologically relevant durability. |
Aditya Mohite; |
| 371 | Perspective on Solar Energy Materials, Design and Discovery, Defects, Disorder, and Interfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, we will review successes and challenges in photovoltaic materials from silicon to CdTe to halide perovskites and potential emerging materials, with a particular perspective on the role of first principles calculations and predictions. |
Stephan Lany; |
| 372 | Tuning The Interface of Perovskites for Efficient Solar Cells Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will focus on interface engineering in perovskite solar cells (e.g. energy alignment, doping and carrier dynamics), including the construction of heterostructures using multi-dimensional perovskites. |
Bin Chen; |
| 373 | Predictive Tight-binding Model for Materials Design and Understanding Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we discuss progress in fitting and testing of the ThreeBodyTB.jl datasets, which employ both two-atom and three-atom interactions to predict the tight-binding Hamiltonian from a set of atomic positions. |
Kevin Garrity; Kamal Choudhary; |
| 374 | The Duality Between Chemical Potential Diagrams and Convex Hulls Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: These non-equilibrium situations would be better analyzed by phase diagrams that visualize the tendency for a material to gain or lose chemical species, e.g., with a chemical potential axis. Here, we present a generalized phase diagram framework to mix composition and chemical potential axes, providing a new stability representation that applies to these non-equilibrium situations. |
Jiadong Chen; Wenhao Sun; |
| 375 | An All-chemistries Comprehensive Verification of All-electron and Pseudopotential DFT Codes Via Universal Common Workflows Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The first outcome is a reference dataset of 960 equations of state (EOS) cross-checked between two all-electron codes, then used to verify (and improve) ten pseudopotential methods. Such effort is achieved by deploying AiiDA common workflows that provide automatic input parameter selection, identical input/output interface across codes, and full reproducibility. |
Marnik Bercx; Emanuele Bosoni; Peter Blaha; Jens Bröder; Martin Callsen; Stefaan Cottenier; Augustin Degomme; Espen Flage-Larsen; Marco Fornari; Alberto Garcia; Bonan Zhu; Gian-Marco Rignanese; Georg Kastlunger; Chris Pickard; Matthias Krack; Daniel Wortmann; Tiziano Müller; Thomas Kuhne; Aliaksandr Yakutovich; Oleg Rubel; Michael Wolloch; Sebastiaan Huber; Nicola Marzari; Giovanni Pizzi; |
| 376 | First Principles and Data Driven Simulations of Chiral Matter Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will outline a set of first principles and data driven approaches for the study of such materials, In particular, I will describe a symmetry adapted real space formulation of Kohn-Sham theory and a machine learning model that is trained on data from such specialized symmetry adapted calculations. I will describe applications of these tools to investigate the electromechanical response of group IV nanotubes under torsional and axial strains, as well as the use of these tools to discover novel phases of chiral matter with strongly correlated electronic states. |
Hsuan Ming Yu; Amartya Banerjee; Shashank Pathrudkar; Susanta Ghosh; |
| 377 | Direct DFT Calculation from Nanoscale to Bulk Stability of Icosahedral Quasicrystal Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present a new technique to directly calculate the bulk and surface energies of quasicrystals in DFT. |
Woohyeon Baek; Sambit Das; Vikram Gavini; Wenhao Sun; |
| 378 | Why Are There No Metastable Structures in Binary Rocksalts? Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We contrast this with a case with a well-known abundance of metastable allotropes of elemental carbon, or group-IV carbides, in which many low-energy structures exhibit slow transitions into their respective ground states. We therefore propose that the lack of metastable polymorphs in binary rocksalts is mainly a consequence of the rapid nature of the transformation mechanisms between the relevant structure-types and lower energy rocksalt ground state. |
Matthew Jankousky; Vladan Stevanovic; |
| 379 | Simulated Diffusion Spreadability for Characterizing The Structure and Transport Properties of Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The recently developed diffusion spreadability, ${cal S}(t)$, provides a direct link between time-dependent interphase diffusive transport and the microstructure of two-phase media across length scales [1]; thus making ${cal S}(t)$ a powerful tool for classifying the (non)hyperuniformity of microstructures. In this work, we develop a computationally efficient algorithm for ascertaining ${cal S}(t)$ and its associated entropy production rate directly from digitized representations of microstructures via simulated random walks. |
Murray Skolnick; Salvatore Torquato; |
| 380 | Structural Optimization in Fingerprint Space Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: By introducing an extra fingerprint space, we propose a new structural optimization approach that prevents configurations from being stranded in low-symmetry, high-energy conformations. |
Li Zhu; Shuo Tao; Rishi Rao; Xuecheng Shao; |
| 381 | Invertible Neural Networks and More: Applications in Electronic Transport Theory Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The software uses four techniques to tame the inverse problem: reverse Monte Carlo algorithm, invertible neural network, partially observable Markov decision processes, and a Bayesian method. |
Luca Bonaldo; Terry Stearns; Ilaria Siloi; Nicholas Mecholsky; Marco Fornari; |
| 382 | Why Does Silicon Have An Indirect Band Gap? Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we examine the duality between real-space bonding interactions and reciprocal-space electronic structure by relating the chemical bond-type at distinct k-points; as well as by determining the reciprocal space band dispersion for distinct orbital interactions. |
Emily Oliphant; Madison Brod; Jeff Snyder; Emmanouil Kioupakis; Wenhao Sun; |
| 383 | How Global Is The Global Instability Index? Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To that end, we compute GII for thousands of compounds in inorganic structure databases and partition compounds by chemical interactions underlying their stability to understand GII. We find that structural prototype, chemistry, and electronic character significantly impact the GII of a crystal, contraindicating its use as a general measure of the feasibility of a structure. |
Kyle Miller; James Rondinelli; |
| 384 | Competing Spin-orbital Singlet States in D4 Honeycomb System Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will focus on the d 4 compounds with strong spin-orbit coupling. |
Tomohiro Takayama; |
| 385 | J=0 Electronic States in The Low-dimensional Osmium Halides with The 5d4 Configuration Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we systematically study the 1D Os-chain systems (OsCl 4, OsOCl 2) [1,2] and the “zero-dimensional” K 2Os X 6 ( X = F, Cl, and Br) [3] with the 5 d 4 electronic configuration. |
Yang Zhang; Ling-Fang Lin; Adriana Moreo; Thomas Maier; Gonzalo Alvarez; Elbio Dagotto; |
| 386 | Magnetic Properties of Cs2IrCl6 Single Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we will present the synthesis and characterization of Cs 2IrCl 6 single crystals. |
Wei Tian; Qiang Chen; Adam Aczel; Christopher Wiebe; Haidong Zhou; Jinguang Cheng; |
| 387 | Direct Imaging of Valence Orbitals Using Hard X-ray Photoelectron Spectroscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we demonstrate how hard x-ray photoelectron spectroscopy can make direct images of the orbitals making up the band structure of our model system, ReO3 [1]. |
Daisuke Takegami; Laurent Nicolaï; Yuki Utsumi; Anna Meléndez-Sans; Daria Balatsky; Cariad Knight; Connor Dalton; Shao-Lun Huang; Chi-Sheng Chen; Li Zhao; Alexander Komarek; Yen-Fa Liao; Ku-Ding Tsuei; Ján Minár; Liu Hao Tjeng; |
| 388 | Competing Energy Scales in A Rhodium Oxide Spinel Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we will demonstrate the effect of electron and hole doping in the structural and physical properties of LiRh2O4, with an emphasis on the effect of dopants on the formation of dimers via changes in the local structure as indicated by pair distribution function measurements. |
Juan Chamorro; Julia Zuo; Ram Seshadri; Stephen Wilson; |
| 389 | Probing The Ground States of The Kitaev-Heisenberg Model in RuCl3 Through Guarded Electrical Measurements Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Alpha Ruthenium Chloride (α-RuCl3) is part of a special class of Mott insulators, Kitaev materials, that exhibit strong spin orbit coupling and bond directional exchange interactions. In particular, the Kitaev-Heisenberg model predicts this material to host interesting ground states such as a Quantum Spin Liquid (QSL) with fractionalized excitations making it ideal for applications in topological quantum computing, as well as magnetic ordered states. |
Patrick Barfield; Maya Martinez; Vinh Tran; Vikram Nagarajan; James Analytis; Claudia Ojeda-Aristizabal; |
| 390 | Metallic Bi-Rh-O Thin Films with P-type Conduction Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report the fabrication of three kinds of Bi-Rh-O compounds. |
Mizuki Ohno; Takahiro Fujita; Yuuki Masutake; Hiroshi Kumigashira; Masashi Kawasaki; |
| 391 | Temperature and Pressure Driven Structural Phase Transition in GaPt5P Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present detail studies of GaPt 5P single crystals using ambient and high pressure resistivity measurements as well as ambient pressure magnetization and X-ray diffraction measurements. |
Aashish Sapkota; Tyler Slade; John Wilde; shuyuan huyan; Sergey Budko; Paul Canfield; |
| 392 | Observation of Orbital Fluctuation Inducing Unconventional Magnetic Order in A Correlated Insulator Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In these materials, it is often difficult to determine the driving mechanism for the emergent phases. Here we implement a multi-modal technique [3] that is able to independently probe different symmetry-related order parameters to determine the primary driving order parameter in such a system. |
Rong Cong; Ilija Nikolov; Stephen Carr; Adrian Del Maestro; Chandrasekhar Ramanathan; Vesna Mitrovic; |
| 393 | Strategy to Develop The High-Performance Thermomagnetic Gd-Si-Ge Alloys for Low-grade Waste Heat Energy Harvesting Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we established SeS 2 as an extraordinary sintering aid that effectively densifies the high-performing Gd 5Si 2.4Ge 1.6 thermomagnetic material via low-temperature spark plasma sintering at 200 °C. |
saurabh Singh; Na Liu; Amin Nozariasbmarz; Bed Poudel; Shashank Priya; |
| 394 | Crystal Structure of NaOsO3 Under High Pressure Determined By Single Crystal X-ray Diffraction Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: A high-pressure structural study was performed on polycrystalline NaOsO 3, which reported a highly unusual phase transition from nonpolar phase ( Pbnm) to polar phase ( Pna 21) at ~18 GPa [4]. |
Jie Chen; Yanyao Zhang; Jiaming He; Stella Chariton; Jung-Fu Lin; Kazunari Yamaura; Jianshi Zhou; |
| 395 | Nonlinear and Quantum Semiconductor Metasurface Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Metamaterials and their 2D implementation – metasurfaces – have been used extensively for wavefront manipulation since their inception nearly two decades ago. This has led to a … |
Igal Brener; |
| 396 | Active Mid-infrared Polarization Control By A Coupled Surface Plasmon-phonon Polariton Cavity on VO2-SiC Metasurfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This work demonstrates a novel polarimetry apparatus, enabling researchers to do precise polarimetric studies of small samples at FIR wavelengths. |
Zach Brown; SATYANARAYANA KACHIRAJU; Sundar Kunwar; Long Chang; Pinku Roy; Ayrton Bernussi; Vladimir Kuryatkov; Matthew Gaddy; Aiping Chen; Myoung-Hwan Kim; |
| 397 | Intensity, Wavelength and Polarization Control of Valley Excitonic Emissions in Monolayer MoS2 By Dielectric Metasurfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we demonstrate intensity, wavelength and polarization control of valley excitonic emission in monolayer MoS 2 by coupling MoS 2 with dielectric metasurfaces composed of arrays of silicon nano-disks. |
Sze Cheung Lau; Yin Liu; Wen-Hui Sophia Cheng; Amalya Johnson; Qitong Li; Emma Simmerman; Ouri Karni; Jack Hu; Yongmin Liu; Fang Liu; Mark Brongersma; Jennifer Dionne; Tony Heinz; |
| 398 | Gate-tunable Topological Singularities in Two-dimensional Van Der Waals Heterostructures for Active Metasurfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report our study on gate-tunable monolayer transition metal dichalcogenides (TMDCs) to actively change the scattering parameters of our heterostructures by controlling the spectral position of the topological singularities. |
Melissa Li; Lior Michaeli; Harry Atwater; |
| 399 | Direct Generation of Terahertz Vector Beams with Symmetry-Controlled Optoelectronic Metasurface Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we introduce a new class of optoelectronic metasurfaces consisting of asymmetric gold nanostructures on graphene, which can be designed for arbitrary local (nanoscale) and global (millimeter-scale) transient vectorial currents and corresponding terahertz radiation distributions. |
Jacob Pettine; Rohit Prasankumar; Antoinette Taylor; Prashant Padmanabhan; Hou-Tong Chen; |
| 400 | Low-loss Plasmonic Resonances in Heavily Doped InAs for Infrared Optoelectronics Integration Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we show that an InAs epilayer, when highly-doped with Tellurium (up to 10 20 cm -3), exhibits a plasma frequency corresponding to light at a free-space wavelength of 4.5 microns. |
christopher cailide; Ethan Caudill; Michael Lloyd; John Murphy; Kiernan Arledge; Tetsuya Mishima; Jill Nolde; Jesse Frantz; Chase Ellis; Priyantha Weerasinghe; Terry Golding; Michael Santos; Joseph Tischler; |
| 401 | Dielectric Resonances in Hexagonal Boron Nitride Nanodisks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report infrared Mie resonances of hBN nanodisks (NDs). |
Milad Nourbakhsh; |
| 402 | Low-Loss Infrared Ultrawide Type I Hyperbolic Metamaterial Based on III-V Semiconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Also, integrating these materials with large-scale infrared optoelectronic devices presents many challenges. In this work, we implemented an ultrawide low-loss Type I hyperbolic metamaterial covering a spectral bandwidth of 2000 cm-1 for wavelengths above 4.7mm. |
Ethan Caudill; christopher cailide; Michael Lloyd; J Murphy; Kiernan Arledge; Tetsuya Mishima; Jill Nolde; Chase Ellis; Priyantha Weerasinghe; Terry Golding; Michael Santos; Joseph Tischler; Jesse Frantz; |
| 403 | Polaritonic Sinusoidal Gratings Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we demonstrate the ability to produce metallic and metallic-like sinusoidal one-dimensional gratings with the use of a Photonic Professional GT2 Nanoscribe. |
NAZLI RASOULI SARABI; |
| 404 | Mapping Phonon Polaritons with Visible Light Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In particular, we apply this technique to map SPhPs in nanopillars of Indium Phosphide (InP). |
Kiernan Arledge; Michael Meeker; Chase Ellis; NAZLI RASOULI SARABI; Vincent Whiteside; Chul Soo Kim; Mijin Kim; Daniel Ratchford; Binbin Weng; Joseph Tischler; |
| 405 | Controlling Single-photon Emission with Ultrathin Transdimensional Plasmonic Films Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: The properties of a two-level quantum dipole (DE) emitter near an ultrathin transdimensional (TD) plasmonic film are studied theoretically [1]. The model system studied mimics a … |
Igor Bondarev; |
| 406 | Electrically Tunable Second Harmonic Generation in The Lu2O3 Plasmonic Tunnel Junction Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we observe electrically tunable second harmonic generations (SHG) in plasmonic tunnel junctions based on indium tin oxide (ITO)/Lu 2O 3/Au. |
Yuankai Tang; Saurav Prakash; Ariando Ariando; Thirumalai Venkatesan; Amit Agrawal; Hayk Harutyunyan; |
| 407 | Optical Absorption of Point Defects in AlN Crystals As Measured By Photo-induced Electron Paramagnetic Resonance Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The talk will highlight the role of carbon in AlN and the potential limitations facing both optical and electronic applications. |
Mary Ellen Zvanut; |
| 408 | Towards Tunable Single-pixel LEDs with Eu-doped GaN Active Layers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Modeling work for the excitation dynamics of the defect-ion complex after creation or injection of electron hole pairs takes a local defect into account, where the carriers are captured, recombine, and transfer energy to the Eu 3+. |
Hayley Austin; Brandon Mitchell; Jun Tatebayashi; Yasufumi Fujiwara; Volkmar Dierolf; |
| 409 | Optical Dipole Structure and Orientation of GaN Defect Single Photon Emitters Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: GaN has recently been shown to host very bright defect single photon emitters in the 600-700 nm wavelength range but very little is known thus far about their structure and origin [1,2]. We study these emitters in HVPE grown Wurtzite GaN epitaxial layers using the method of defocused imaging whereby the radiation pattern in the Fourier plane is recorded. |
Yifei Geng; Jialun Luo; Gregory Fuchs; Farhan Rana; |
| 410 | First-principles Studies of The Role of Cation Disorder on Electronic Structure of ZnTiN2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using state-of-the-art first principles DFT calculations with optimally-tuned range-separated hybrid functionals, we demonstrate that cation disorder in ZnTiN 2 creates locally charge-unbalanced nitrogen centered motifs that further introduce states near band edges, leading to band gap reduction. We study how the cation disorder affects local chemical environment, energetics, electronic structure, and optoelectronic properties in ZnTiN 2 and discuss its properties in light of possible photocatalytic applications. |
Sijia Ke; Jeffrey Neaton; |
| 411 | Identification of An Oxygen Defect in Hexagonal Boron Nitride Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Based on the unique EPR line shape, we proposed V B + X N defect that containing V B with one nearest nitrogen atom replaced by an impurity atom “X”. |
Song Li; Adam Gali; |
| 412 | Formation, Structure, and Properties of GaN Nanowire Polytype Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Semiconductor polytype heterostructures, which consist of adjacent layers of lattice-matched materials differing only in their atomic stacking sequences, offer opportunities for … |
Abby Liu; Hongling Lu; Rachel Goldman; |
| 413 | Theoretical Interpretations of Sb Incorporation in GaN Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our bulk defect thermodynamic analysis finds that Sb Ga is energetically preferable compared to Sb N under both N-rich and Ga-rich conditions in n-type samples. |
Yujie Liu; Ishtiaque Ahmed Navid; Zetian Mi; Emmanouil Kioupakis; |
| 414 | Investigating The Strain-tunable Properties of ScAlN Through First-principles Calculations Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Since the applied field that allows for polarization switching is smaller than the dielectric strength of ScAlN, understanding the strain-tunable properties of the alloy is critical to obtaining a method to lower the energy barrier for ferroelectric switching. In this work, we investigate how increasing the strain of ScAlN through the incorporation of indium or by epitaxial lattice mismatch affects its dielectric permittivity and polarization switching energy barrier. |
Mahlet Molla; Woncheol Lee; Ping Wang; Ding Wang; Zetian Mi; Emmanouil Kioupakis; |
| 415 | Ion Beam Channeling Studies of Scandium Incorporation Into ScAlN Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we investigate the mechanisms for Sc incorporation into MBE-grown ScxAl1-xN layers using channeling Rutherford backscattering spectrometry (RBS/c). |
Erdem Ozdemir; Joshua Cooper; Thai-Son Nguyen; Joseph Casamento; Debdeep Jena; Huili Grace Xing; Rachel Goldman; |
| 416 | Transport Properties of Heavily Si Doped High Al Mole Fraction AlxGa1−xN Grown By MBE on Single-crystal AlN Substrates Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, Si-doped AlGaN films with a wide range of doping concentrations and Al% are grown by molecular beam epitaxy on low dislocation density, single crystal AlN substrates. |
Chandrashekhar Savant; Ryan Page; Thai-Son Nguyen; Kevin Lee; Vladimir Protasenko; Huili Grace Xing; Debdeep Jena; |
| 417 | Extending The Room Temperature Spin Coherence Time of Boron Vacancies in Hexagonal Boron Nitride Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we demonstrate coherent control of the VB- spin defects and utilize a pulsed dynamical decoupling protocol CPMG to extend the T2 coherence time by up to two orders of magnitude. |
Martin Schalk; Andreas Stier; Roberto Rizzato; Chenjiang Qian; Stephan Mohr; Joachim Leibold; Georgy Astakhov; Ulrich Kentsch; Manfred Helm; Dominik Bucher; Jonathan Finley; |
| 418 | Phase Diagram of InAs-Al Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk. I will discuss the protocol we employ to map the phase space (chemical potential and magnetic field) of these devices to identify regions consistent with topological superconductivity and to extract the topological gap. |
Lucas Casparis; |
| 419 | Charge Tunneling Events Within Hybridized Triple Quantum Dots Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In our work, we define a superconducting island in between two semiconducting quantum dots on an InAs nanowire. |
Lin Han; Michael Chan; Christian Prosko; Damaz De Jong; Yu Liu; Leo Kouwenhoven; Filip Malinowski; |
| 420 | Disconnected Entanglement Entropy and Fermion Parity Noise for The Conclusive Electrical Detection of Majorana Zero Modes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We extend the idea of topological entanglement entropy [2,3] to faithfully distinguish between true MZMs and trivial Quasi-MZMs in a Rashba nanowire setup. |
Arnav Arora; Abhishek Kejriwal; |
| 421 | Crossed Andreev Reflection and Elastic Co-tunneling Optimization Using Magnetic Field Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show that the combination of the intrinsic InSb nanowire spin-orbit coupling and an applied magnetic field provides an efficient knob to tune the ratio between CAR and ECT as well as their strength. |
Alberto Bordin; Guanzhong Wang; Chun-Xiao Liu; Sebastiaan ten Haaf; Grzegorz Mazur; Nick van Loo; Di Xu; David van Driel; Francesco Zatelli; Ghada Badawy; Sasa Gazibegovic; Erik P. A. M. Bakkers; Michael Wimmer; Leo Kouwenhoven; Tom Dvir; |
| 422 | Probing Weak Antilocalization in Gate-defined Semiconductor Wires Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study the spin-orbital properties of electrons in gate-defined InAs wires by comparing wires with different widths and orientations with respect to the crystal axes. |
Seyed Mohammad Farzaneh; Neda Lotfizadeh; William Schiela; PENG YU; Ido Levy; Javad Shabani; |
| 423 | Superconducting Diode Effect Due to Magnetochiral Anisotropy in Topological Insulator and Rashba Nanowires Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we consider one-dimensional (1D) systems in which superconductivity is induced via the proximity effect. |
Jelena Klinovaja; |
| 424 | Planar Tunneling Along EuS Nanowire Edge Junctions Formed Over Au(111) for Topological Superconductivity Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will discuss our studies on the sub-gap states including the zero bias conductance peak, in particular those features that are limited by thermal broadening. |
Jason Tran; Yasen Hou; En-De Chu; Patrick Lee; Jagadeesh Moodera; Peng Wei; |
| 425 | Zero Energy Modes of Artificial Spin Chains from First-principles Calculations Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work we present calculations in the superconducting state of the in-gap density of states, the singlet and triplet order parameters and various related quantities for Fe and Mn chains on pure Ta(110) and Au monolayer covered Nb(110) surface. |
Balazs Ujfalussy; Bendegúz Nyári; Laszlo Szunyogh; Andras Laszloffy; |
| 426 | A Minimal Nanowire-Based Kitaev Chain Using Proximitised Quantum Dots (Part 1) Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The Kitaev model predicts that Majorana bound states appear at the ends of quantum dot-superconductor chains [1]. |
David van Driel; Guanzhong Wang; Di Xu; Tom Dvir; Alberto Bordin; Bart Roovers; Francesco Zatelli; Greg Mazur; Nick van Loo; Sasa Gazibegovic; Ghada Badawy; Erik P. A. M. Bakkers; Leo Kouwenhoven; |
| 427 | Building A Minimal Kitaev Chain Using Proximitized Quantum Dots at The Charge-neutral Sweet Spot Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The inter-dot coupling sweet spot eliminates both charge and spin, while the intra-dot superconducting coupling further removes any dependence of local charge on the electrostatic environment. We discuss the practical implications on this system’s immunity to noise and perturbations. |
Guanzhong Wang; David van Driel; Di Xu; Francesco Zatelli; Tom Dvir; Alberto Bordin; Greg Mazur; Nick van Loo; Bart Roovers; Sasa Gazibegovic; Ghada Badawy; Erik P. A. M. Bakkers; Leo Kouwenhoven; |
| 428 | Circuit QED Signatures of Majorana Bound States in Semiconductor Nanowires with Spin-orbit-induced Subband Mixing Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Circuit quantum electrodynamics (cQED) is a powerful toolset enabling the study of interaction between light and microscopic degrees of freedom in superconducting circuits. |
Chi Zhang; Ryan Tiew; Kristof Moors; Malcolm Connolly; |
| 429 | Mapping Out The Topological Phase Diagram of FeSn Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will present results from a magnetic field and temperature dependent study of the anomalous Hall effect using transverse resistivity measurements. |
Berthold Jaeck; Soumya Sankar; RUIZI LIU; Chengping ZHANG; Qifang Li; Jiangchang Zheng; Caiyun Chen; KUN QIAN; Zi Yang Meng; Kam Tuen Law; QIMING SHAO; |
| 430 | Epitaxy Growth of Atomically Smooth Kagome Metal Film Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, the cleaved crystals often exhibit small Fe 3Sn and Sn 2 terminated terraces with a rather large defect density (2). This limits their suitability for the study with surface-sensitive probes Using molecular beam epitaxy (MBE), we have explored the growth process of the prototypical kagome metal FeSn on the STO(111) surface. |
Caiyun Chen; Jiangchang Zheng; Soumya Sankar; Berthold Jaeck; |
| 431 | Molecular Beam Epitaxy of Sn-based Kagome Antiferromagnets Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we report the synthesis of ferromagnet/ TmXn bilayer films: Fe/Mn 3Sn, Co/Mn 3Sn, Fe/FeSn and Co/FeSn using molecular beam epitaxy on insulating oxide substrates. |
Prajwal Laxmeesha; Tessa Tucker; Shuchen Li; Myoung-Woo Yoo; Axel Hoffmann; Steven May; |
| 432 | Competition Between Chern and Mott Insulating Phases in Oxide Superlattices Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Transition metal oxides exhibit a strong interplay of lattice, charge, spin and orbital degrees of freedom which leads to a rich functionality including the tendency to break time … |
Rossitza Pentcheva; |
| 433 | Exploring The Behavior of EuCuP and EuCuAs Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Topological semimetals possessing intrinsic magnetic order afford a particularly promising avenue of study. Under this motivation, we will examine the physical properties of EuCuP and EuCuAs, the former being a complex ferromagnet while the latter is an antiferromagnet. |
Andrew May; Michael McGuire; Jiaqiang Yan; Hu Miao; Eleanor Clements; Raphael Hermann; |
| 434 | Creation of Chiral Interface Channels for Quantized Transport in Magnetic Topological Insulator Multilayer Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, by employing an in-situ mechanical mask, we use molecular beam epitaxy (MBE) to synthesize QAH insulator junctions, in which two QAH insulators with different Chern numbers are connected along a 1D junction. |
Yi-Fan Zhao; Ruoxi Zhang; Jiaqi Cai; Deyi Zhuo; Ling-Jie Zhou; Zi-Jie Yan; Moses Chan; Xiaodong Xu; Cui-Zu Chang; |
| 435 | Comparative Studies of MBE-grown MnBi2Te4 on Si(111) and Epitaxial Graphene Substrates Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: By combining in-situ electron diffraction and ex-situ x-ray diffraction techniques we report differences in the preferred alignment of MnBi 2Te 4 depending on sample interactions with different substrates (e.g. Si(111), epitaxial graphene) during the growth. |
Hyunsue Kim; Yanxing Li; Fan Zhang; Chengye Dong; Joshua Robinson; Chih-Kang Shih; |
| 436 | Molecular Beam Epitaxy Growth and Nanoscale Characterization of Antiferromagnetic Topological Insulator MnBi2Te4 Thin Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will discuss our experiments exploring the growth of MnBi2Te4 thin films of various thicknesses using molecular beam epitaxy (MBE). |
Wilber Alfaro Castro; Bryan Rachmilowitz; Hong Li; Alexander LaFleur; Faranak Bahrami; Zumeng Huang; Fazel Tafti; Qiong Ma; Ilija Zeljkovic; |
| 437 | Very High Curie Temperature (MnSb2Te4)x(Sb2Te3)1-x Magnetic Topological Insulator Structures Grown By Molecular Beam Epitaxy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: EDX analysis suggests significantly increased Mn(Te) and Mn(Sb) substitutions for samples with reduced GR. We will present these results as they relate to the (MnSb2Te4)x(Sb2Te3)1-x structural properties, as well as the details of the proposed growth mechanism. |
Candice Forrester; Christophe Testelin; Xiaxin Ding; Ido Levy; Kaushini Wickramsinghe; Lia Krusin-Elbaum; Gustavo Lopez; Maria Tamargo; |
| 438 | Magnetic Anisotropy of The Layered Van Der Waals Antiferromagnet MnSb2Te4 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we report on magnetic anisotropy deduced from the detailed angular field-dependence of magnetotransport in AFM MST. |
Ayesha Lakra; Entela Buzi; Afrin Tamanna; Xiaxin Ding; Kamil Sobczak; Kyungwha Park; Lia Krusin-Elbaum; |
| 439 | Effects of Anti-site Defect-induced Disorder in Compensated Topological Magnet MnBi1.36Sb0.64Te4 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present a statistical analysis of the nanoscale effect of defects in MBST by scanning tunneling microscopy/spectroscopy (STM/S). |
An-Ping Li; Felix Luepke; Marek Kolmer; Jiaqiang Yan; Hao Chang; Paolo Vilmercati; Hanno Weitering; Wonhee Ko; |
| 440 | Distinct Magnetic Gaps Between Antiferromagnetic and Ferromagnetic Orders Driven By Surface Defects in The Topological Magnet MnBi2Te4 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, recent magnetic force microscopy refutes this assumption by detecting persistent AFM order on the surface. In this work, we propose a mechanism related to surface defects that can rationalize these contradicting observations in different experiments. |
Hengxin Tan; Binghai Yan; |
| 441 | Magnetooptical Investigation of Intrisinc Magnetic Topological Insulator MnBi2Te4 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We carry out infrared absorption measurements under magnetic fields up to 34 T and observe an optical absorption in the mid-infrared that shifts to higher energy as a function of increasing magnetic field. |
Seul-Ki Bac; Jiashu Wang; Florian Le Mardelé; Mykhaylo Ozerov; Tommy Kotte; Kota Yoshimura; Ivan Mohelský; Logan Riney; Xinyu Liu; Milan Orlita; Badih Assaf; |
| 442 | Multiscale Imaging of Interfacial Slip, Heterostrain, and Phase Changes in Deformed 2D Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We intentionally introduce misalignment between the layers through twist or heterointerfaces, and demonstrate the resulting 2D heterostructures reach the theoretical limit of stiffness, scaling as the linear sum of the individual layers. |
Arend van der Zande; |
| 443 | Sensing Quasi-local Coulomb Screening in Moiré Materials with Planar Scanning Probes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Examining small regions of a large-area device, we can determine the local twist angle and compressibility in each region. |
Laurel Anderson; Chadwick Evans; Jordan Fonseca; Jiaqi Cai; Andrew Vincent; Takashi Taniguchi; Kenji Watanabe; Xiaodong Xu; Arthur Barnard; |
| 444 | Cooled Scanning Probe Microscope to Image Electronic Interactions in Graphene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, a direct imaging of electron interaction and spatial features such as whirlpools, eddies, vortex sheets and insulating localized states in electronic flow in graphene is yet to be observed. In this talk, I will present our work on directly imaging such behavior of electrons in graphene. |
Sagar Bhandari; Joseph Lydon; Cody Graves; Miguel Moya; Alexander Kanell; Samuel Lowery; |
| 445 | Imaging Nanoscale Photocurrent in The Twisted Bilayer Graphene By Magneto-scanning Near-field Optical Microscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: For the twisted bilayer graphene (TBG), photocurrent induced by optical thermoelectric effect has been used to probe the local superlattice structure and electronic structure in nanoscales 1,2, while the effect of high magnetic field on nano-photocurrent has never been explored. Here in this talk, using the newly developed magneto-scanning near field optical microscopy (m-SNOM), we will show nano-photocurrent measurements in TBG samples under high magnetic field up to 7T and discuss these magneto-photocurrent phenomena in terms of thermal Nernst effect. |
Zengyi Du; Makoto Tsuneto; Yinan Dong; Baichang Li; Zijian Zhou; Micheal Dapolito; Wenjun Zheng; Lukas Wehmeier; Xu Du; James Hone; Dmitri Basov; Mengkun Liu; |
| 446 | Two-dimensional Spin Waves in CrI3 Atomic and Moiré Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we present a comprehensive polarization-resolved magneto-Raman study of spin waves in natural few-layer (monolayer to four-layer) and twisted double bilayer CrI 3. |
Xiangpeng Luo; Zeliang Sun; Hongchao Xie; Gaihua Ye; Zhipeng Ye; Shaohua Yan; Yang Fu; Shangjie Tian; Hechang Lei; Kai Sun; Rui He; Liuyan Zhao; |
| 447 | Investigation of Moiré Inhomogeneity in Twisted Transition Metal Dichalcogenide Bilayers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we will report our investigation of moiré inhomogeneity at mesoscopic scales in twisted transition metal dichalcogenide (TMD) homobilayers probed by scanning rotational anisotropy second harmonic generation (RA-SHG) microscopy. |
June Ho Yeo; Liuyan Zhao; |
| 448 | Structural Characterization of Few-layer Chromium Trihalides Using 4D-STEM Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we characterize the crystal structure including various stacking sequences of few-layer chromium trichlorides using a four-dimensional scanning transmission electron microscopy (4D-STEM). |
Hem Prasad Bhusal; Koichi Tanaka; Colin Ophus; Karen Bustillo; Jim Ciston; Carlos Gonzalez; Samuel Mcnair; Maximo Rocha; Aiming Yan; |
| 449 | Impact of Strong Quantum Spin Fluctuations on The Magnetism, The Excitons, and The Spin Waves in A Two-dimensional XY-type Magnetic System Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will show our recent optical spectroscopy results on bulk and few-layer NiPS 3. |
Zeliang Sun; Gaihua Ye; Cynthia Nnokwe; Han Huang; Qiuyang Li; Hui Deng; David Mandrus; Kai Sun; Rui He; Liuyan Zhao; |
| 450 | Adjoint-Based Inverse Design with Transfer Matrices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we demonstrate adjoint-based InvDes with the transfer matrix method (TMM). |
Eric Y. Ma; Nathaniel Morrison; |
| 451 | Time Crystals for Exciton Polaritons in A TMDC Nanoribbon Embedded in An Optical Microcavity Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigated the dynamics of a Bose-Einstein condensate of exciton polaritons in a nanoribbon of transition metal dichalcogenides (TMDCs), such as MoSe 2, embedded in a microcavity in the presence of an external periodic potential. |
Oleg Berman; Gabriel Martins; Godfrey Gumbs; |
| 452 | Brewster Angle of Thermal Diffusivity Waves at An Interface Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we study the existence of the Brewster angle for thermal diffusivity waves. |
Jesus Manzanares Martinez; |
| 453 | Exceptional Point Based Sensing Via Nanostructured Photonic Waveguide Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we theoretically propose an EP sensor based on a grating waveguide structure of Silicon Nitride (Si3N4). |
Parul Sharma; Brijesh Kumar; ANSHUMAN KUMAR; |
| 454 | Modeling of Artificial Semiconductor Quantum Neural Network from First Principles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We formulate N input and M ouput quantum neural network with k hidden layers. |
Krzysztof Pomorski; |
| 455 | Design and Fabrication of Resonant Structures with Diamond for Efficient Light Extraction Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We predict the performance using Finite-Difference Time-Domain (FDTD) method. |
SAGAR CHOWDHURY; Rituraj; Srinivasan Krishnamurthy; Vidya Praveen Bhallamudi; |
| 456 | On Superfluidity of Indirect Excitons in Transition Metals Trichalcogenides Van Der Waals Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study within a mean-field approach and the Bogoliubov approximation superfluidity of indirect excitons in transition metals trichalcogenides (TMTC) van der Waals heterostructures (vdWHs) composed from two TMTC monolayers separated by a varying number of hBN layers. |
Anastasia Spiridonova; Roman Kezerashvili; |
| 457 | Formation of Frank-Kasper Phases from Interacting Hard-spheres Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The emergence of Frank-Kasper phases from interacting hard-spheres is studied using density functional theory. |
Yu Li; Anchang Shi; Jiayu Xie; |
| 458 | Collective Behavior of Janus Particles Suspended in A Viscous Fluid Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Focusing on three distributions of hydrophobicity we found JPs may assemble into uni-lamella, multi-lamella, and striated structures in a viscous fluid. |
Yuan-Nan Young; Szu-Pei Fu; Bryan Quaife; Rolf Ryham; |
| 459 | Visualizing Fractional Excitations in A Tomonaga-Luttinger Liquid Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk I will present our recent studies on a 1D interacting system: mirror twin boundaries (MTBs) of single-layer 1H-MoSe2. |
Wei Ruan; |
| 460 | Large Valley (orbital) Polarization Near A Magnetic Impurity in Monolayer NbSe2: Green’s Function and Density-functional Studies Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The spin/orbital polarization is studied from the impurity Green’s function method using the low-energy k. p Hamiltonian (valley orbital model) as well as from density-functional calculations. |
Tapesh Gautam; Sashi Satpathy; Birabar Nanda; Amit Chauhan; Mayank Gupta; |
| 461 | Enhanced Superconductivity Through Virtual Tunneling in Bernal Bilayer Graphene Coupled to WSe$_2$ Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show that the virtual tunneling between WSe$_2$ and Bernal bilayer graphene, which is known to induce Ising spin-orbit coupling, can generate an additional attraction between two holes, providing a potential explanation for enhancing superconductivity in Bernal bilayer graphene. |
Yang-Zhi Chou; Fengcheng Wu; |
| 462 | Symmetry-enforced Nodal Lines in The Band Structures of Vacancy-engineered Graphene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We elaborate that single-layer graphene with periodic vacancies can have a band structure containing nodal lines or nodal loops, opening the possibility of graphene-based electronic or spintronic devices with novel functionalities. |
Matheus Martins de Sousa; Wei Chen; Mariana Malard Sales Andrade; Fanyao Qu; Fujun Liu; |
| 463 | Vertical Heterostructure of 2D Polar Binary Compounds(GeC/SiGe): First- Principles Study Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: More interestingly, we found a built-in electric field in the interlayer region build by the charge redistribution, which may affect the probability of photo-generated carrier recombination. |
Safia Alharbi; Ahmad Nagab Alharbi; Ming Yu; |
| 464 | Mixed-dimensional Graphene/SnxPb1-xTe Heterostructures: Electronic Structure Properties from First Principles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We found that adding enough lead, destroys the SnTe topological surface states. |
Ivan Naumov; Pratibha Dev; Sharmila Shirodkar; Gregory Stephen; Nicholas Blumenschein; Jennifer DeMell; Adam Friedman; |
| 465 | A Proposal for Optical Control of Topological Memory in Chern Insulators Realized in Moiré Multilayers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study (theoretically) the interaction of a Chern insulator with circularly polarized light derived from the optical Stark energy shift. |
Victor Yakovenko; Sergey Pershoguba; |
| 466 | Electrical Characterization of Graphene Oxide Films in Field Effect Transistor Configuration Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: GO-FET´s were electrically characterized by the current-voltage method, varying temperature of 20 to 300 K; finding, a behavior of voltage-controlled current source and a high electrical mobility value of 1.2 x10 4 cm 2 /Vs at 300 K, as expected. Results revealed that decreases temperature, increases the electrical resistance and this behavior was described employing the 3D-VRH model. |
Narly Echeverry Montoya; J. J. Prias-Barragan; Carlos Perdomo Vela; |
| 467 | Multiferroics Beyond Inorganics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I introduce two groups of multiferroics that are made of organic components. |
Young Sun; |
| 468 | Direct Observation of Geometric and Sliding Ferroelectricity in An Amphidynamic Crystal Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report the direct observation of sliding ferroelectricity, using a high-quality amphidynamic single crystal (15-crown-5)Cd3Cl6, which possesses a large bandgap and so allows direct measurement of polarization–electric field hysteresis. |
Ning Ding; |
| 469 | Exploring The Structure of AlScN with Thermal Diffuse Scattering from First-principles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Experimental studies are currently underway to determine the precise effects of Sc-doping levels on the material’s crystal structure and switching dynamics. Here, we apply a complementary theoretical approach to address these issues using first-principles calculations of the all-phonon scattering intensity within the formalism of density-functional theory. |
Guru Khalsa; Matthew Dykes; |
| 470 | Harnessing Inter-ferroelectric Phase Transformations: Path to Large Transduction and Giant Energy Conversion Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Relaxor ferroelectric single crystals with composition near a morphotropic phase boundary (MPB) are attractive for applications in actuators, transducers, and low-power sensors … |
Peter Finkel; |
| 471 | Electric-field-induced Magnetochiral Dichroism in A Ferroaxial Crystal NiTiO3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we focus on another effect characteristic of chiral materials, magnetochiral dichroism (MChD). |
Takeshi Hayashida; Kenta Kimura; Tsuyoshi Kimura; |
| 472 | Fe3+ Optical Activity in The THz Due to The Rare Earth Smaller Ion Size in RFeO3 (R= Er, Lu) Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report on Fe 3+ induced RFeO 3 (R= Er, Lu) absorptions and magnetic behavior up to 7 T measured at the THz BESSY II coherent source. |
Néstor Massa; Karsten Holldack; Leire del Campo; Vinh Ta Phuoc; Paula Kayser; José Alonso; |
| 473 | Finite-Bias Calculations of Perovskite Oxide Ferroelectric Tunnel Junctions Using Multi-Space Density Functional Theory Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, based on the multi-space constrained-search density functional theory (MS-DFT) recently developed in our group [1-3], we study the finite-bias electronic structure and quantum transport characteristics of capacitor models composed of BaTiO 3 perovskite oxides sandwiched between the metallic SrRuO 3 electrodes. |
Kaptansinh Rajput; Ryong Gyu Lee; Tae Hyung Kim; Hyeonwoo Yeo; Juho Lee; Yong-Hoon Kim; |
| 474 | Interface Superconductivity in FeSe Thin Films on SrTiO3 Grown By The PLD Technique Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report the successful realization of interface superconductivity in FeSe/STO using PLD. |
Tomoki Kobatashi; Hiroki Ogawa; Hiroki Nakagawa; Fuyuki Nabeshima; Atsutaka Maeda; |
| 475 | Quantum and Topological Phases in Iron Chalcogenides Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we present examples that go beyond the traditional chemical substitution experimental method and tackle the problem from several new angles: 1. |
Yangmu Li; |
| 476 | Orbital Selective Mott Phase and Spin Nematicity in Ni-substituted FeTe0.65Se0.35 Single Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The unusual phenomena include, between others, the orbital-selective Mott phase (OSMP), documented by angular resolved photoemission (ARPES) [1], and C4 symmetry breaking of in-plane angular magnetoresistance (AMR) [2]. We study these phenomena using magnetization and magnetotransport measurements (resistivity, Hall effect, AMR) in Fe 1-yNi yTe 0.65Se 0.35 single crystals (0xy orbital. |
Marta Cieplak; Irina Zajcewa; Artem Lynnyk; Katarzyna Kosyl; Dariusz Gawryluk; |
| 477 | Synthesis and Physical Properties of Infinite-layer Nickelate Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will present our characterization of the crystalline, magnetic, and electronic properties of the LaNiO 2 crystals. |
Pascal Puphal; Vignesh Sundaramurthy; Valentin Zimmermann; Bjorn Wehinger; Kathrin Küster; Ulrich Starke; Jürgen Nuss; Bernhard Keimer; Masahiko Isobe; Matthias Hepting; |
| 478 | Phase Manipulation and Majorana Zero Modes in Iron-based Superconductor Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We argue that the phase of superconducting pairing can be manipulated by the ferromagnetism spontaneously formed in the crystalline domain wall and the natively arising in the magnetic impurity. |
Ning Hao; |
| 479 | Accelerated Structure Prediction of Organic Molecular Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we accelerate the approach by constructing machine learning models to predict the properties of relaxed organic molecular crystal structures using only knowledge of the generated unrelaxed crystal structures. |
Ethan Shapera; Dejan-Krešimir Bucar; Rohit Prasankumar; Christoph Heil; |
| 480 | Asymmetric Transmission Control in Layered Natural Hyperbolic Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we investigate the electromagnetic properties of a structure composed of two optically active materials. |
Reed Jones; Rair Macêdo; Robert Camley; |
| 481 | Manipulating Interlayer Magnetic Orders of 2D Magnets By Stacking Rotation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we considered three energetically stable stacking patterns R3, C2/m and AA in bilayer CrI 3, and the reversed counterparts R3-r, C2/m-r and AA-r through rotating one layer by with respect to the other layer. |
Liangbo Liang; Xiangru Kong; Hongkee Yoon; Myung Joon Han; |
| 482 | Interlayer Spin Transport in 2D Material Heterostructures with Arbitrary Epitaxies: A Computational Design from Bulk Properties Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present a model based on the physical properties of bulk constituents, circumventing the computational burden of full quantum transport. |
Adam Pfeifle; Marcelo Kuroda; |
| 483 | A First-Principles Study of Energetics of AsxP1-x Alloys with A7 and A17 Symmetries Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: The most stable allotropes of Phosphorus (P) and Arsenic (As) are Black phosphorous (space group of A17 or -P) and Gray arsenic (space group of A7 or -As) respectively. The fact … |
Kazi Jannatul Tasnim; Md Rajib khan Musa; Ming Yu; |
| 484 | Studies of Effects of External Electric Field on Isolated and Crystalline Furan-derived Nanothread and PVDF Through ReaxFF Method Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The reaction barrier of the furan dimer, and dipole moment of furan thread calculated using the re-trained force field agree well with that from DFT calculations. Comparing with an organic ferroelectric polymer with a flexible backbone, like a PVDF single chain, we find that isolated furan thread twists toward the electric field direction and generate larger torque with respect to the anchored end during to its rigid backbone. |
Tao Wang; Yawei Gao; Bo Chen; Vincent Crespi; Adri Van Duin; |
| 485 | Looking for Metallic States in Novel Exfoliable 1D Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In order to get more insight into the mechanisms of the CDW, we investigate the nesting function and the critical role of the electron-phonon coupling, still largely unexplored in realistic quasi-1D systems. |
Chiara Cignarella; Davide Campi; Nicola Marzari; |
| 486 | Building Better Cluster Expansions on A Basis-free Foundation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We develop the cluster expansion method, much used in study of configurationally-disordered materials, on a conceptually clarified and basis-free foundation. |
Paul Lammert; Vincent Crespi; |
| 487 | Energy Landscape in Ni-Co-Cr and Related Alloys Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We compute formation and relative structural energies versus composition in the Ni-Co-Cr ternary and related quaternary systems, discuss possibilities of compositional adjustments, and compare theoretical predictions with experiment. |
Nikolai Zarkevich; Timothy Smith; John Lawson; |
| 488 | Quantum Computing for Computational Materials Design Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present the results of our predictions for several real materials systems, and the challenges involved when constructing relevant subspace Hamiltonians German Federal Ministry of Education and Research (BMBF) under project No. 13N15574. |
Maximilian Amsler; Johannes Selisko; Thomas Eckl; |
| 489 | Machine Learning of Phase Diagrams Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: By starting from experimental- and ab initio-determined phase diagrams (PDs) of materials, a machine learning (ML) method is developed to infer the free energy function for each … |
Edwin García; Jarrod Lund; Haoyue Wang; Richard Braatz; |
| 490 | Ferroelectricity in Sodalite-like MBxC6-x Clathrate Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we propose 22 sodalite-like B-C frameworks with various B:C ratios based on the SrB 3C 3 structure, and perform high-throughput searches in the MB xC 6-x system by introducing different metal (M) atoms into sodalite-like B-C frameworks. |
Ying Sun; Li Zhu; |
| 491 | Study on The Ferroelectric Polarization of Polar Ordered Perovskites Under Epitaxial Strain]{Study on The Ferroelectric Polarization of Polar Ordered Perovskites Under Epitaxial Strain Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We studied the polarization properties of the predicted oxynitrides under epitaxial strain using the Berry’s phase approach and found high polarization values in excess of the typical polarization found in industrial ferroelectrics. |
Rishi Rao; |
| 492 | Theory-guided Experimental Optimization of High-efficiency Ceramic Capacitor Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To achieve high-efficiency (> 96%) and good energy-storage density (>3 J/cm 3), we integrate density-functional theory (DFT) and geometric nonlinear transformation theory and estimate lattice mismatch to guide experiment synthesis to eliminate drawbacks in AFE dielectrics. |
Duane Johnson; Xiaoli Tan; |
| 493 | Temperature Dependence of Band Gap Renormalization in High-Temperature Sensor Materials Via First-Principles and Experimental Corroboration Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The predicted and measured band gap variations are characterized using an analytical model, which can provide useful insights on the simulated zero-temperature band gaps. |
Yuhua Duan; Jongwoo Park; Yu-Ning Wu; Tarak Nandi; Benjamin Chorpening; Wissam Saidi; Jeffrey Wuenschell; |
| 494 | Theoretical Characterization of Materials Discovered at High-pressure: from Fundamental Research Towards Advanced Applications Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk we demonstrate the power of theoretical simulations for predicting the ambient pressure (meta-)stability of materials discovered in HP experiments and in exploration of their functionality, ranging from mechanical to electronic and topological properties. |
Igor A. Abrikosov; |
| 495 | CO2 Capture By Hybrid Ultramicroporous TIFSIX-3-Ni Under Humid Conditions Using Non-equilibrium Cycling Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present results of a study on the co-adsorption of H 2O and CO 2 in a high CO 2-affinity HUM, i.e. TIFSIX-3-Ni. |
Timo Thonhauser; Saif Ullah; |
| 496 | Fully Automated Nanoscale to Atomistic Structure from Theory and Spectroscopy Experiments Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, moving from the spectra to the oxidation state and atomic configuration requires searching a vast structural space, where it is critical to not only match the experimental data but to also minimize quantities such as the energy to ensure structures are physically plausible and realizable. To address this need, we have previously developed the FANTASTX code, a multi-objective evolutionary algorithm which performs structure search for a variety of spectroscopies using genetic algorithm and basin-hopping methods. |
Davis Unruh; V. S. Chaitanya Kolluru; Maria Chan; |
| 497 | Autonomous Crystal Structure Search By Crystal Morphing Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: If the invariances are not promised in the search space, myriad redundant points that represent the same crystal structure exist, which obstructs a construction of an efficient crystal-search space. In this talk, we propose the crystal morphing to construct the crystal-invariant search space based on the reciprocal space SOAP distance, and its application to an x-ray crystallography. |
Junpei Oba; Seiji Kajita; |
| 498 | Li Vs. Na-based Solid-State Batteries: A Multiscale Modeling Methodology in Link to Experiments Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Among them, doped – Lithium Lanthanum Zirconium Oxide (LLZO) is considered of the most promising ceramics serving this purpose. Herein, we aim to model Lithium diffusion mechanisms and its respective spectroscopic properties (NMR and Electrochemical Impedance Spectroscopy (EIS)) using multiscale simulation approaches by harnessing both (i) short-time and length scales (from DFT and ab-initio Molecular Dynamics) and (ii) long-time and length scales (from classical MD and Kinetic Monte Carlo) to define a multi-scale methodology for understanding the impact of doping have on Li +1 mobility in LLZO by linking the simulations data to the microscopic diffusion measurements from experiments (NMR and EIS). |
Mahmoud ATTIA; Jean-Paul CROCOMBETTE; Said Yagoubi; Thibault Charpentier; |
| 499 | Computationally Exploring Structure-Property Relationships of Thermal Transport in Metal-Organic Frameworks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We observed that high thermal conductivity in MOFs is favored by small pores, high densities, and four-connected metal nodes. |
Meiirbek Islamov; Hasan Babaei; Jeffrey Long; Alan McGaughey; Diego Gomez-Gualdron; Christopher Wilmer; |
| 500 | First Principles Study of The Electronic Structure and Optical Properties of The Metal-organic Framework Zn-MFU-4l Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We use density functional theory with hybrid functionals and ab initio many body perturbation theory calculations to study changes to the electronic structure and vibrational and optical properties of variants of Zn-MFU-4l. |
Alex Smith; Jeffrey Neaton; |
| 501 | Systematic Modification of Functionality Through Free Energy Surface Tailoring Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we explore an alternative paradigm in which Machine Learning (ML) is combined with physics-based considerations for molecular and materials engineering. |
Dan Mendels; Fabian Byléhn; Timothy Sirk; Juan De Pablo; |
| 502 | Distinct Mechanisms for Coherent Magnon Generation in A Correlated Van Der Waals Antiferromagnet Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will discuss distinct mechanisms for the generation of a coherent magnon in the correlated van der Waals antiferromagnet NiPS 3. |
Carina Belvin; |
| 503 | Spin-correlated Exciton-polaritons in Van Der Waals Magnets Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: By coupling optical fields to its excitonic excitations, we demonstrate a previously unobserved class of polaritons with unique properties tied to excitons, photons and spins [1]. A detailed spectroscopic analysis of these newly formed quasiparticles in conjunction with our microscopic theory shows that magnetically coupled excitations can have an origin and interactions that are very different from those of excitons in conventional band semiconductors. |
Vinod Menon; Florian Dirnberger; Rezlind Bushati; Biswajit Datta; Ajesh Kumar; Allan MacDonald; Edoardo Baldini; |
| 504 | Transient Terahertz Dynamics of Spin Density Wave Order in BaFe2As2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report a time-resolved broadband terahertz spectroscopic study of BaFe2As2 in the A1g phonon driven state. |
Jacob Warshauer; Wanzheng Hu; Qingxin Dong; Genfu Chen; Daniel Bustamante; |
| 505 | Dynamics of Antiferromagnetic Order in Mott Insulator Upon Photodoping Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, I will present photo-doping studies on the antiferromagnetic Mott insulator Sr2IrO4 using a suite of time-resolved optical probes – second harmonic generation polarimetry, time-domain terahertz spectroscopy, and transient infrared reflectivity – that selectively track the temporal evolution of charge and spin degrees of freedom. |
Honglie Ning; Omar Mehio; Yuchen Han; Zachary Porter; Stephen Wilson; David Hsieh; |
| 506 | Atomic Scale Visualization of Light-induced Phase Transition in Candidate Excitonic Insulator Ta2NiSe5 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, orthorhombic to monoclinic structural phase transition occurring at the same transition temperature makes it confusing to tell if the insulating low temperature phase is driven by an electronic order or structural order. To address this question, in this talk, we will discuss the manipulation of the low temperature insulating phase of the Ta 2NiSe 5 with burst shots of high fluence optical pulses followed by STM investigation. |
Seokjin Bae; Arjun Raghavan; Amit Kanigel; Vidya Madhavan; |
| 507 | Ultrafast Raman Thermometry for Photo-induced Superconductivity in YBa2Cu3O6.5 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: For the different excitation frequencies, we compared the timescales of electron-phonon and phonon-phonon interactions. |
Ting-Han Chou; Michael Först; Meredith Henstridge; Michael Fechner; Juan Porras; Bernhard Keimer; Andrea Cavalleri; |
| 508 | Femtosecond Dual-stage Formation of Topological Defects in A 2D Charge Density Wave Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our work provides crucial insights into ultrafast engineering of topological defects based on selective excitation of collective modes, opening avenues for dynamical control of nonequilibrium phases in correlated materials. |
Alfred Zong; Yun Cheng; Lijun Wu; Qingping Meng; Wei Xia; Fengfeng Qi; Pengfei Zhu; Xiao Zou; Tao Jiang; Yanfeng Guo; Jasper Van Wezel; Anshul Kogar; Michael Zuerch; Jie Zhang; Yimei Zhu; Dao Xiang; |
| 509 | Coherent Phonon Generation in A Floquet-driven Layered Antiferromagnet Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will report ultrafast white-light based broadband transient spectroscopy measurements on MnPS3, demonstrating the generation of coherent phonons after sub-gap pumping. |
Ryo Noguchi; Jun-Yi Shan; Xinwei Li; Jaena Park; Sungmin Lee; Je-Geun Park; David Hsieh; |
| 510 | Correlated Spin and Charge Dynamics During Ultrafast Demagnetization of Ca2RuO4 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using magnetic field dependent time-resolved second harmonic generation polarimetry, we demonstrate an ultrafast photo-doping induced collapse of the antiferromagnetic state in Ca 2RuO 4. |
Xinwei Li; Honglie Ning; Hengdi Zhao; Cora Barrett; Kyle Seyler; Junyi Shan; Gang Cao; David Hsieh; |
| 511 | Mid-and Near-IR Pump-Probe Study of Quasiparticle Dynamics in Ca3Ru2O7 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have investigated near-IR reflectivity dynamics of single crystals of the Ruddlesden-Popper ruthenate Ca 3Ru 2O 7 using both near and mid infrared excitation. |
Kelson Kaj; Huaiyu (Hugo) Wang; Peter Kissin; Yakun Yuan; Varun Ramaprasad; Mustafa Ali; Nathan Koocher; Danilo Puggioni; Venkatraman Gopalan; Zhiqiang Mao; James Rondinelli; Richard Averitt; |
| 512 | Evidence for Inhomogeneous and Percolative Dynamics Across The Photo-induced Insulator-metal Phase Transition in Ca3Ru2O7 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To account for the experimentally observed behavior, we perform a simulation using a statistical model that demonstrates how the percolation and coarsening of metallic clusters governs the transition kinetics. Our work highlights the importance of mesoscale inhomogeneity in the dynamics of photo-induced insulator-metal phase transitions and provides a model that may be useful for understanding such transitions more broadly. |
James Tyler Carbin; |
| 513 | Photoinduced Superconductivity Reconsidered: The Role of Photoconductivity Profile Distortion Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We discuss a systematic uncertainty in time-resolved optical conductivity measurements that becomes important at high pump intensities. |
J. Steven Dodge; Leya Lopez; Derek Sahota; |
| 514 | A Theory for Pump-probe Core XPS and XAS Experiments in Electron-phonon Coupled Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We seek to understand how a simple model of electrons coupled to a static (zero frequency) phonon (static Holstein model) in a charge density wave (CDW) state interacts with a core-level hole state, such as would be created by an x-ray photoemission (XPS) or x-ray absorption (XAS) experiment, both in and out of equilibrium. |
Ryan Nesselrodt; James Freericks; |
| 515 | The Mysterious Oddness of Strontium Ruthenate’s Superconducting State: Strong Electronic Correlations and Spin-orbit Coupling in Multi-orbital Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: They suggest a rare type of order dominated by odd-frequency pairing as a prime candidate, which is also found using frequency-dependent linear response theory within dynamical mean-field theory. We discuss observable signatures in specific heat associated with these leading states and develop a static interpretation of odd-frequency pairings. |
Olivier Gingras; |
| 516 | Dynamic Jahn-Teller Effect and Emergent Magnetism in Cubic 5d1 Double Perovskites Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In Ta compounds, antiferromagnetic and ferro z 2 quadrupole orders simultaneously develop at low temperature, while the mechanism is unknown [3]. In this work, we propose an effective model that includes the effects of the interplay of the spin-orbit and vibronic couplings, and on this basis explain the two unsolved questions. |
Naoya Iwahara; Liviu Chibotaru; |
| 517 | First-principles Approach to Spin-orbital Dynamics of Localized Electrons Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In the present study, we aim to analyze the ordered state of multi-orbital systems under the strong coupling limit by constructing an effective model combined with the band structure. |
Ryuta Iwazaki; Hiroshi Shinaoka; Shintaro Hoshino; |
| 518 | Melting Transition in The Van Der Waals Superlattice of Self-intercalated 2H-TaS2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This work expands on the growing study of self-intercalated TMD’s and outlines a simple process for post growth intercalation. |
Thomas Sutter; |
| 519 | Momentum-resolved EELS Study of Lattice Excitations in 1T-TaS2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The spectrum consists of one acoustic and two optical phonon branches whose dispersion is influenced by the CDW wave vector. I will discuss how these excitations evolve with temperature and their relevance to the formation of the Mott state. |
Farzaneh Hoveyda; Caitlin Kengle; Xuefei Guo; Jin Chen; Simon Bettler; Dipanjan Chaudhuri; Peter Abbamonte; |
| 520 | Magnetic Anisotropy in 1T-TaS2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report preliminary results of the magnetotropic coefficient of 1T-TaS 2 — the second derivative of the free energy with respect to the applied magnetic field angle [1- 2]. |
Muhammad Nauman; Valeska Zambra; Kimberly Modic; Brad Ramshaw; Ross McDonald; Arkady Shekhter; |
| 521 | Combining Electron-Phonon and Dynamical Mean Field Theory Calculations for Correlated Materials: Transport in The Correlated Metal Sr2RuO4 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we combine ab initio dynamical mean field theory (DMFT) and e-ph calculations to achieve a unified description of e-e and e-ph interactions in correlated electron systems. |
David Abramovitch; Jin-Jian Zhou; Jernej Mravlje; Antoine Georges; Marco Bernardi; |
| 522 | Electronic Structure and Magnetism of The Triple-layer Ruthenate Sr4Ru3O10 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk we examine in more detail the Fermi surfaces for the majority and minority spin bands and the narrow spin polarized bands near the Fermi energy. |
Richard Martin; Garu Gebreyesus; Prosper Ngabonziza; Jonathan Denlinger; Alexei Fedorov; James Allen; |
| 523 | Theory of Pines’ Demon in Multiband Metals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We derive expressions for the dispersion, intensity, and damping rate of the demon in terms of band structure parameters, thereby going beyond the heuristic assumptions in Pines’ original arguments. |
Edwin Huang; Peter Abbamonte; Philip Phillips; |
| 524 | Spin Contribution to The Inverse Faraday Effect in Transition Metals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This study provides insight into the physics behind spin IFE and demonstrates a way to increase IFE through band structure tuning. |
Shashi Mishra; Sinisa Coh; |
| 525 | Invertible Optical Nonlinearity in Epsilon-near-zero Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In the talk, we present our exploration on the origin of a large, spectrally-invertible nonlinearity in ITO thin films. |
Xinyu Tian; Chentao Li; Guoce Yang; Sukrith Dev; Monica Allen; Jeffery Allen; Hayk Harutyunyan; |
| 526 | Thermally Tunable Cavity Resonance of The Propagating Surface Phonon Polaritons Based on Vanadium Dioxide-silicon Carbide Metasurfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we propose a new way to utilize VO2 in long-wave infrared applications. |
SATYANARAYANA KACHIRAJU; Myoung-Hwan Kim; Ayrton Bernussi; Vladimir Kuryatkov; Zach Brown; Imtiaz Ahmad; Yejin Kwon; Long Chang; Aiping Chen; Sundar Kunwar; Pinku Roy; |
| 527 | Confined Plasmonic Waves in The Multicoaxial Metamaterial Cables: Zero Magnetic Field Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We use an elegant response function theory, which does not require matching of the messy boundary conditions, to investigate the surface plasmon excitations in the multicoaxial cylindrical cables made up of negative-index metamaterials. |
Manvir Kushwaha; Bahram Djafari-Rouhani; |
| 528 | Silicon Nitride Metagratings for Self-Stabilizing Lightsails Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report microscopic lightsail prototypes fabricated in silicon nitride membranes and patterned with photonic metagratings for self-stabilization. |
Ramon Gao; Michael Kelzenberg; Yonghwi Kim; Lior Michaeli; Ognjen Ilic; Harry Atwater; |
| 529 | Local Wavefront Manipulation with High Quality Factor Metasurfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report on an all-dielectric higher-order Huygens metasurface for local wavefront manipulation in two dimensions with high quality factor at near-infrared wavelengths. |
Claudio Hail; Morgan Foley; Ruzan Sokhoyan; Lior Michaeli; Harry Atwater; |
| 530 | Shaping Contactless Mechanical Forces Through Anomalous Metasurface Scattering Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The transfer of wave momentum is a fundamental mechanism for contactless manipulation, yet the rules of conventional scattering intrinsically limit the radiation force based on the shape and the size of the manipulated object. In this work, we show that this intrinsic limit can be broken for acoustic waves with subwavelength-structured surfaces (metasurfaces), where the force becomes controllable by the arrangement of surface features, independent of the object’s overall shape and size. |
Ognjen Ilic; Matthew Stein; Sam Keller; Yujie Luo; |
| 531 | Nonlinear Strong Coupling By Second-Harmonic Generation Enhancement in Plasmonic Nanopatch Antennas Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In the present study, strong second-harmonic generation (SHG) is demonstrated in plasmonic nanopatch antennas (NPAs) formed with silver nanocubes separated from a smooth gold film by a nm-scale zinc oxide gap layer. |
Bryson Krause; Dhananjay Mishra; Jiyang Chen; Christos Argyropoulos; Thang Hoang; |
| 532 | Characterization of Lightsail Light-Matter Interaction and Nonlinear Dynamics By Microscopic Common-Path Vibrometry Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report the observation of rich nonlinear dynamics in optically pumped tethered silicon nitride lightsails. |
Lior Michaeli; Ramon Gao; Michael Kelzenberg; Claudio Hail; Harry Atwater; |
| 533 | Bio-Inspired Nanonetwork-Structured Materials from Bottom-Up Approach As Mechanical Metamaterials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Inspired by Mantis shrimp, this work aims to suggest a bottom-up approach for the fabrication of well-ordered nanonetwork hydroxyapatite (HAp) thin film using self-assembled polystyrene- block-polydimethylsiloxane (PS- b-PDMS) block copolymer (BCP) with a diamond nanostructure as a template for templated sol-gel reaction. |
Hassan Sadek; Rong-Ming Ho; suhail siddique; Chang-Chun Lee; Chi-Wei Wang; Shou-Yi Chang; |
| 534 | Direct Observation of Kirchhoff Thermal Radiation Law Violation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The non-diagonal permittivity tensor results in an antisymmetric angular relationship where the magnetic tuning of stronger thermal emission for a given angle of incidence correlates to stronger absorption in the opposite channel. We relate this to the Onsager-Casimir relations for a nonreciprocal absorber. |
Komron Shayegan; Bo Zhao; Souvik Biswas; Shanhui Fan; Harry Atwater; |
| 535 | Multiple Landau Polariton Branches in The Ultrastrong Coupling Regime in A Multi-mode Three-dimensional Photonic-crystal Cavity Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show that the observed Landau polariton branches can be well understood in terms of photonic modes that are either decoupled or coupled together via inter-Landau-level excitations, depending on the polarization of the probe. |
Fuyang Tay; Ali Mojibpour; Shuang Liang; Andrey Baydin; Arash Ahmadivand; Geoff Gardner; Michael Manfra; David Hagenmüller; Junichiro Kono; |
| 536 | Plasmonic Origami: Tuning Optical Properties By Periodic Folding of Plasmonic Substrate: Gold’s and Graphene’s Cases Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work the case of a gold nano-layer is also presented. |
Rémi VINCENT; |
| 537 | A Type-II Multiferroic in Two Dimensions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will present our recent study and realization of type-II multiferroic order in a single atomic layer of the transition metal-based van der Waals material NiI2 [5]. |
Riccardo Comin; |
| 538 | Operando Hard X-ray Photoemission Characterization of Oxygen Vacancies and Correlation with The Performance of Ferroelectric, Hafnia-based, Non-volatile Memories Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have used synchrotron radiation based operando HAXPES on microscopic capacitors to quantify the oxygen vacancy concentration profile near the top TiN/HfZrO 2 interface due to oxygen scavenging as a function of field cycling from the pristine state through the wake-up regime to finally device fatigue and correlate it with the electrical performances. |
Nicholas Barrett; Wassim Hamouda; Christophe Lubin; Furqan Mehmood; Uwe Schroeder; Thomas Mikolajick; Olivier Renault; Shinegori Ueda; Yoshiyuki Yamashita; |
| 539 | In Situ Observation of Thin Film Ferroelectric HZO with STEM EBIC Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using STEM EBIC imaging along with the positive-up-negative-down (PUND) method, we map the polarization state and measure the global polarization, respectively, on a TaN/HZO/TaN capacitor. |
Ho Chan; Shelby Fields; Tristan O’Neill; Yueyun Chen; William Hubbard; Jon Ihlefeld; Brian Regan; |
| 540 | Direct Imaging of Grain and Domain Structure in Nanocrystalline Ferroelectric Thin Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will present our work towards correlative imaging of the grain and domain structure in Zr-doped HfO 2 (HZO) films and superlattices with nm-scale resolution using advanced electron microscopy approaches, including off-axis electron holography and scanning electron nanodiffraction with in-situ electrical biasing. |
Daniel Durham; Khandker Akif Aabrar; Suman Datta; Nestor Zaluzec; Supratik Guha; Charudatta Phatak; |
| 541 | Exquisite Control of The Landau Energy Landscape in Ferroelectric HZO Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Herein, we investigate the polarization switching mechanism in HZO using DFT calculations and phenomenological modelling. |
Raul Flores; Sinead Griffin; |
| 542 | Structures and Photoelectric Properties of Superdomains in Epitaxial (110)-PZT Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we construct a broad picture of ferroelectric properties, photoelectric behaviors, and multiple manipulating pathways on a strained (110)-oriented epitaxial Pb(Zr xTi 1-x)O 3 (PZT) film. |
Sheng-Zhu Ho; Meng-Xun Xie; Yu-Chen Liu; Yu-Huai Li; Li-Chieh Huang; Ying-Chih Pu; Jan-Chi Yang; Yi-Chun Chen; |
| 543 | Thickness Dependence and Strain Effects in NaNbO3 Thin Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We observe strain-induced ferroelectricity and characterize this via electrical measurements and piezoresponse force microscopy to measure the polarization-electric field hysteresis loops and ferroelectric domain structures. This work provides new insights into the structure and electrical property evolution of these lead-free ferroelectric thin films. |
Aarushi Khandelwal; Kevin Crust; Harikrishnan K.P.; Yu-Tsun Shao; David Muller; Ruijuan Xu; Harold Hwang; |
| 544 | Hyper-efficient Mechanical Switching of Ferroelectric Polarization on Metastable Perovskite Ferroelectric Thin Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Thus, in this study, we focus on energy-efficient enhanced mechanical switching of ferroelectric polarization on CTO films via multiple coupled atomic distortions. |
Ji Hye Lee; |
| 545 | Direct Electrical Control of A Single-layer Multiferroic Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Specifically, we investigated the helimagnetic transition temperature, the spin helix chirality, and the propagation direction and periodicity of the spin helical vector as a function of electrostatic doping and electric field. |
Jiaruo Li; Qian Song; Riccardo Comin; |
| 546 | Probe of Multifunctionality in BaTiO3-BiFeO3 Films and Nanorod Arrays Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we present several less explored properties of BaTiO 3-BiFeO 3 (BTO-BFO) films and nanorod arrays, including second harmonic generation (SHG) and ferromagnetic resonance (FMR). |
Nicholas Smith; Rathsara Herath Mudiyanselage; Min Gyu Kang; Shuang Wu; Satoru Emori; Brenden Magill; Shashank Priya; Giti Khodaparast; |
| 547 | Terahertz Acoustics in A Ferroelectric/Dielectric Superlattice Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report an optical pump x-ray probe study using a free-electron laser x-ray diffraction to probe the wavevector-frequency dispersion in a ferroelectric/dielectric SL. |
Deepankar Sri Gyan; Hyeonjun Lee; Youngjun Ahn; Samuel Marks; Mohammed H. Yusuf; Matthew Dawber; Diling Zhu; Takahiro Sato; Sanghoon Song; Haidan Wen; Paul Evans; |
| 548 | Topological Superconductivity Realizations in 2D Material System Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk I will introduce two main examples aimed at topological superconductivity realizations in 2D material systems. |
Yuval Ronen; |
| 549 | Spectroscopic Evidence for Topological Band Structure in FeTe0.55Se0.45 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Moreover, the measured band structure differs significantly from the density functional theory (DFT) predictions, with no direct observations of either the p z band or the bulk band inversion. Here we resolve this debate through a comprehensive ARPES investigation. |
Yingfei Li; |
| 550 | Π-junction Induced By Strong Inter-pocket Transmission at FeTe.55 Se.45(FTS) Half-shift Domain Wall Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Such propagating Majorana modes have been proposed to exist on the surface state of topological materials similar to FTS along line defects where the superconducting order parameter (OP) is phase shifted by π. Here we propose a mechanism for the emergence of such a π shift in the OP across the half unit-cell shift DW of FTS. |
Tamoghna Barik; Jay Sau; |
| 551 | Topological Superconductivity in Twisted Superconductors of Finite Thickness Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We consider a system of one monolayer d x2-y2 superconductor stacked with a twist on top of a N-layer flake. |
Kevin Lucht; Pavel Volkov; Jedediah Pixley; |
| 552 | Magnetic Field-induced Topological Domains in Twisted Nodal Superconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we study the quasiparticle spectrum in the presence of an in-plane magnetic field generating a Josephson vortex lattice. |
Pavel Volkov; Jed Pixley; Justin Wilson; Kevin Lucht; |
| 553 | Evidence of A Two-component Order Parameter in 4Hb-TaS2 in The Little-Parks Effect Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Namely, we find a π-shift in the transition-temperature oscillations of rings made of a single crystal. |
Avior Almoalem; Irena Feldman; Michael Shlafman; Yuval Yaish; Mark Fischer; Michael Moshe; Jonathan Ruhman; Amit Kanigel; |
| 554 | Superconductivity in Few-Layer Td-MoTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will discuss electronic properties of few-layer T d-MoTe 2, including an unusual gate dependence of the superconductivity that we have systematically characterized at multiple sample thicknesses. |
Damien Bérubé; Jian Tang; Vicky Hasse; Chandra Shekhar; Anyuan Gao; Siyuan Ding; Yu-fei Liu; Jian-Xiang Qiu; Houchen Li; Christian Tzschaschel; Thao Dinh; Zhe Sun; Claudia Felser; Qiong Ma; Suyang Xu; |
| 555 | Twisted Moire Bilayer Physics in Square-lattice Surfaces of Time-reversal Symmetric Topological Superconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Beyond the hexagonal lattice, we study the physics of the twisted bilayer in the square lattice and focus on the scattering between the nodal points at M points in each layer. |
Ching-Kai Chiu; Fan Cui; Congcong Le; Qiang Zhang; Xianxin Wu; |
| 556 | The Effects of Coupling Kagome Superconductor CsV3Sb5 with A S-wave Superconductor Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report the effects of coupling a Kagome superconductor CsV3Sb5 with an external s-wave superconductor. |
Bingzheng Han; Stephan Kim; Phuan Ong; Ni Ni; Tiema Qian; Xianhui Chen; Jianjun Ying; |
| 557 | Josephson Junctions of Nodal Superconductors: Role of Spin-orbit Coupling Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: A monolayer transition metal dichalcogenide (TMD) such as niobium diselenide (NbSe 2 ) exhibits unique superconducting properties. When an externally applied in-plane magnetic … |
Ranjani Seshadri; Maxim Khodas; Dganit Meidan; |
| 558 | Strain-enhanced Superconductivity in Topological Weyl Semimetal MoTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we show strain-induced T c enhancement in MoTe 2 by depositing stressed thin films onto flakes (process-induced strain engineering), where T c is increased from 100 mK to >1.8 K in 5-10 nm thick flakes of MoTe 2. |
Arfan Sewaket; Xinxin Cai; Tara Pena; Ahmad Azizimanesh; John Nichol; Stephen Wu; |
| 559 | High-Efficiency Spin-Orbit Torque in Antiferromagnetic Topological Insulator MnBi2Te4 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The predicted SOT is demonstrated in the SOT-driven magnetic resonance, where we identify a peculiar exchange mode in the tri-SL case that is blind to microwave electromagnetic fields but can only be excited by the SOT. |
Junyu Tang; Ran Cheng; |
| 560 | Field-like and Damping-like Spin-Orbit Torque Efficiencies at An Interface Between NiFe and Bi2Se3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we systematically studied the second harmonic Hall effect, magnetoresistance, ferromagnetic resonance of a NiFe/Bi 2Se 3 sample. |
Xiaohang Zhang; Connie Li; Jisoo Moon; Enrique Cobas; Mehmet Noyan; Mark Lohmann; Berend Jonker; Olaf van ‘t Erve; |
| 561 | Surface-Driven Evolution of The Anomalous Hall Effect in MnBi2Te4 Thin Films: Implications for The Quantum Anomalous Hall Effect Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk I will discuss the large electronic and magnetic response that is induced in MnBi2Te4 by controlling the propagation of surface oxidation. |
Matthew Brahlek; Alessandro Mazza; Jason Lapano; Harry Meyer; Christopher Nelson; Yun-Yi Pai; Benjamin Lawrie; Timothy Charlton; Robert Moore; Zac Ward; Mao-Hua Du; Gyula Eres; |
| 562 | Electrical Switching of The Edge Current Chirality in Quantum Anomalous Hall Insulators Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we fabricate mesoscopic QAH sandwich (i.e. magnetic topological insulator (TI)/TI/magnetic TI) Hall bar devices and succeed in switching the CEC chirality through spin-orbit torque (SOT) by applying a current pulse under a suitably controlled gate voltage. |
Cui-Zu Chang; |
| 563 | Topological Current Divider in A Chern Insulator Junction Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will report a chiral edge-current divider based on Chern insulator junctions formed within the layered topological magnet MnBi 2Te 4. |
Dmitry Ovchinnikov; Jiaqi Cai; Zhong Lin; Zaiyao Fei; Zhaoyu Liu; Yongtao Cui; David Cobden; Jiun-Haw Chu; Cui-Zu Chang; Di Xiao; Jiaqiang Yan; Xiaodong Xu; |
| 564 | High Chern Number Van Der Waals Magnetic Topological Insulator MnBi2Te4/hBN Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk a proposal for a simpler method of realization of a high Chern number material is given. |
Mihovil Bosnar; Alexandra Vyazovskaya; Evgeniy Petrov; Evgueni Chulkov; Mikhail Otrokov; |
| 565 | Observation of Ferroelectricity in Anti-ferromagnetic Topological Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report a unconventional ferroelectric behavior by stacking MnBi 2Te 4 with InBiSe 3, a trivial semiconctuor sharing a similar crystal structure as MnBi 2Te 4 with 6 percent lattice mismatch. |
Yufei Liu; |
| 566 | Towards A Robust Majorana Platform Based on Magnetic Topological Insulator Nanoribbons Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: With detailed simulations, we investigate Majoranas in realistic MTI nanoribbons covered by a superconductor. |
Thomas Schmidt; Declan Burke; Malcolm Connolly; Daniele Di Miceli; Detlev Grützmacher; Dennis Heffels; Jan Karthein; Kristof Moors; Thomas Schäpers; Michael Schleenvoigt; Peter Schüffelgen; Llorenç Serra; Justus Teller; Julian Legendre; Kaycee Underwood; Eduárd Zsurka; |
| 567 | Quantum Oscillation Studies in Ferromagnetic Mn(Bi1-xSbx)4Te7 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report our growths and Shubnikov–de Haas oscillation studies on bulk Mn(Bi 1-xSb x) 4Te 7 (0.25<x<0.31) crystals with ferromagnetic ground state, which have been predicted to host different topological states including Axion insulator, Weyl semimetal, and topological crystalline insulator. Using Sb doping to introduce ferromagnetism to the ground state, and to fine-tune the carrier from electron to hole, we map out the evolution of the Fermi surface near the charge neutrality point, shedding light on the effect of magnetism on the bands structure of this system. |
Chaowei Hu; Joss Ayres-Sims; Jonathan DeStefano; Elliott Rosenberg; David Graf; Xiaodong Xu; Jiun-Haw Chu; |
| 568 | A Quantitative Theory of Backscattering in Quantum Spin Hall Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: It is demonstrated quantitatively and with no adjustable parameters that the presence of paramagnetic acceptor dopants elucidates a variety of hitherto puzzling properties of … |
Tomasz Dietl; |
| 569 | Topological Edge Modes in The Many-Body Spectrum of A Ladder Quantum Paramagnet Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate the excitations of a quantum paramagnet on a one-dimensional ladder, and show that by applying an external magnetic field a topological phase transition is enforced. |
Niclas Heinsdorf; |
| 570 | Tuning Tomonaga-Luttinger Liquid in The Topological Edge Channel of Bilayer FeSeS By Chemical Pressure Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, by the isovalent substitution of S into epitaxial bilayer FeSe films on SrTiO 3(001) substrates, chemical pressure is applied to tune the TLL behavior in the topological edge channels. |
Basu Oli; Qiang Zou; Huimin Zhang; Lian Li; |
| 571 | Superconductivity and Ferroelectricity Few-Layer Td-MoTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: I will discuss how the influence of an electrostatic gate allows us to identify a unique superconducting state in bilayer Td-MoTe 2 and its profound influence even when no change in the chemical potential is made. |
Daniel Rhodes; |
| 572 | Understanding Pseudogaps in High Tc Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The spectral intensitiy is conserved, but cast far and wide, and the gap gives the appearance of being uncompensated. This talk will present strong evidence that these gap tracks agree with and explain the gap patterns seen in photoemission and ARPES. |
Eric Heller; Alhun Aydin; Donghwan Kim; Joonas Keski-Rahkonen; Zunqi Li; Hongkun Chen; Anton Graf; |
| 573 | Theoretical Determination of The Effect of A Screening Gate on The Superconductivity in Twisted Bilayer Graphene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Nature Physics 926 (2020); Science 371 1261 (2021)], we study theoretically the effect of a screening layer on the superconducting transition temperature. |
Shaffique Adam; Giovanni Vignale; Liangtao Peng; Indra Yudhistira; |
| 574 | Effect of Electron Doping in AV3Sb5 Kagome Superconductor System Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Namely, we studied the effect of electron doping in powders and single crystal versions of our system and observed a suppression of the charge density wave transition temperature and superconducting transition temperature with small electron doping concentrations. |
Andrea Capa Salinas; |
| 575 | Examining The Role of Spin-orbit Coupling in Superconducting Bernal Bilayer Graphene Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Ultra-clean, moiré-less Bernal bilayer graphene (BLG) exhibits a variety of emergent ground states driven by strong electron-electron interactions [1–3]. The observation of … |
Chennan He; Aravind Devarakonda; Joshua Swann; Song Liu; Kenji Watanabe; Takashi Taniguchi; James Hone; Cory Dean; |
| 576 | Diamagnetic Response and Phase Stiffness for Interacting Isolated Narrow Bands Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present a theoretical framework for computing the electromagnetic response in the limit of zero frequency and vanishing wavenumber for the interacting problem, which controls the superconducting phase stiffness, without resorting to any mean-field approximation. |
Dan Mao; Debanjan Chowdhury; |
| 577 | Spin-valley Polarization in NbSe2 at Van Der Waals Interface Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In particular, when the magnetization is induced in NbSe 2 through the interface proximity effect, the band modulation by magnetization and Zeeman-type SOI was coupled and a state called ferro-valley ferromagnetism was realized 2. In this presentation, we will discuss the transport properties of the ferro-valley ferromagnetic state revealed through the details of the transport properties of this heterostructure. |
Hideki Matsuoka; Tetsuro Habe; Yoshihiro Iwasa; Mikito Koshino; Masaki Nakano; |
| 578 | Superconductivity in Cleavable, Van Der Waals Layered Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: I will present results of our recent studies of superconductivity in pseudo-2D cleavable compounds, specifically in PtTe and in the GeAs 2Te 4 family. |
Michael McGuire; Jiaqiang Yan; Robert Moore; Satoshi Okamoto; Andrew May; Xiaoping Wang; Matthew Brahlek; Yun-Yi Pai; Heda Zhang; Clement Girod; Sean Thomas; Filip Ronning; |
| 579 | Probing The Electronic Structure of Chemically-induced Van Der Waals Heterostructures in VxTaS2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We found that dilute intercalation of vanadium into the 2H structural phase of TaS2 (VxTaS2) leads to intriguing changes in the electronic properties, including nearly a factor-of-3 enhancement of optimal superconducting Tc near x = 0.05. |
Wojciech Pudelko; Huanlong Liu; Karin von Arx; Qisi Wang; Julia Küspert; Eduardo Bonini-Guedes; Hang Li; Francesco francesco.petocchi; Philipp Werner; Andreas Schilling; Johan Chang; Nicholas Plumb; |
| 580 | Overdamped Phase Diffusion in HBN Encapsulated Graphene Josephson Junctions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we conclusively demonstrate overdamped behavior in a SGS, characterized via phase diffusion[2]. |
Amis Sharma; Jiayin Tang; Ethan Arnault; Ming Tso Wei; Andrew Seredinski; Yash Mehta; Kenji Watanabe; Takashi Taniguchi; Francois Amet; Ivan Borzenets; |
| 581 | Superconductivity in Twisted Double Bilayer Graphene Stabilized By WSe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report on the observation of superconductivity in TDBG proximitized with semiconducting WSe 2, based on two WSe 2/TDBG samples with twist angles of 1.24 and 1.37 degrees. |
Ruiheng Su; Manabendra Kuiri; Kenji Watanabe; Takashi Taniguchi; Joshua Folk; |
| 582 | Fabricating Quantum Point Contact in Monolayer WTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will present our effort in creating QPC device in a topologically non-trivial 2D crystal, the monolayer tungsten ditelluride (WTe2), which has been established as a quantum spin hall insulator and a gate-induced superconductor in a single material. |
Yue Tang; Yanyu Jia; Tiancheng Song; Pengjie Wang; Guo Yu; Ratnadwip Singha; Xin Gui; Kenji Watanabe; Takashi Taniguchi; Robert Cava; Leslie Schoop; Sanfeng Wu; |
| 583 | Conditions for The Symmetry-compensated Magnets to Show Altermagnetic Properties Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we adapt the latter term, suggested by the Mainz spintronics group. |
Igor Mazin; Andriy Smolyanuk; Olivia Taiwo; |
| 584 | Experimental and Theoretical Studies of CdSe/CdMnS Core/shell Nanaoplatelets in Variable Magnetic Fields Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We performed time-resolved photoluminescence (PL) studies of colloidal nanoplatelets (NPL) samples at temperatures (T=5,10 K) in the presence of a magnetic field B that is perpendicular to the NPL planes. |
James Pientka; Arinjoy Bhattacharya; Peiyao Zhang; Savas Delikanli; Furkan Isik; Hilmi Volkan Demir; Xiang Zhang; Athos Petrou; |
| 585 | Syntheses, Magnetic and Structural Properties of Core-shell FePc and FePr Nanoparticles Annealed By Oxygen and Nitrogen at Different Temperatures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Oxygen and nitrogen annealed phthalocyanine and porphyrin (graphene) can significantly influence magnetic properties as compared with those of pyrolysis of iron based graphene. We investigate structural and magnetic properties of synthesized by a one-step process of thermal decomposition (Pyrolysis) of iron phthalocyanine (FePc) and iron porphyrin (FePr) nanoparticles of “core-shell” structure with the high magnetic moment of core (such as Fe), and the shell consists of a biocompatible material (e.g. iron oxide, iron nitride or carbide). |
Armen Kocharian; Franco Iglesias; Calixto Alvarado; Armond Khodagulyan; Oscar Bernal; Jeffrey Shallenberger; Nicole Wonderling; |
| 586 | Preparation of Nanoengineered ZVI@CIT Core-shell with Ultra-high Magnetic Saturation and Tunable Magnetic Properties As Candidates for Treatment Water, Biomedical, and Energy Applications Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To find out candidates for water treatment, hyperthermia, and in energy applications as anode materials in lithium-ion batteries, as catalysts in oxygen evolution reactions, and for oil purification, the present study demonstrates synthesis and elucidation of ZVI) based core-shell nano-systems prepared at various temperatures, concentrations of the core metal, ligand and reducing agent. |
Yohannes Getahun; Debabrata Das; Chintalapalle Ramana; Ahmed El Gendy; |
| 587 | Magneto-Electric Effects in Core-Shell Nanofibers of Nickel Zinc Ferrite and PZT Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: The nature of mechanical strain mediated magneto-electric (ME) interactions is investigated in coaxial nanofibers of nickel zinc ferrite and PZT synthesized by electrospinning. … |
Gopalan Srinivasan; Bingfeng Ge; Jiahui Liu; Jitao Zhang; |
| 588 | Microscopic Mechanism for Intrinsic Nonlinear Hall Conductivity in Noncollinear Antiferromagnetic Metals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate the intrinsic term based on the symmetry and model analyses. |
Akimitsu Kirikoshi; Satoru Hayami; |
| 589 | Observation of Antiferromagnetism in Nickel Monosilicide Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Over the past decades, discoveries of unconventional properties of antiferromagnets, such as in Mn3Si, FeGe, etc., have made them very interesting candidates for spin-based … |
Pousali Ghosh; Deepak Singh; Jiasen Guo; Tom Heitmann; Feng Yi; George Yumnam; Kelley Steven; Vitalii Dugaev; Arthur Ernst; |
| 590 | Magnetocrystalline Anisotropy of Epitaxial MnPt Thin-films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we demonstrate that measurements of the angular dependence of ferromagnetic resonance (FMR) in MnPt/ Ni 80Fe 20 bilayers allow us to probe magnetocrystalline anisotropy of the MnPt AFM. |
David Nelson; Mara Mishner; Ilya Krivorotov; |
| 591 | Magnetic Instability and Frustration Controlled with Competing Spin and Exchange Parameters in Compositionally Complex Correlated Oxides Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Exchange and spin disorder provide access to quantum criticality, frustration, and spin dynamics, but broad tunability and a deeper understanding of strong limit disorder is … |
Zac Ward; Alessandro Mazza; Elbio Dagotto; Matthew Brahlek; |
| 592 | Competing Magnetic Anisotropies in The Antiferromagnet Thin Film Alloy Ni1-xMnxF2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: I will present our work growing and characterizing thin film Ni 1-xMn xF 2 alloys, a system which to date has not been studied. |
Ryan Van Haren; Vanessa Hald; David Lederman; |
| 593 | Electronic Transport of Mn2-xZnxSb Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We found interesting evolution of electronic transport with varying the Zn content: The Zn-rich samples display a non-metallic behavior, whereas metallic transport is observed in Zn-less samples. |
Md Rafique Un Nabi; Rabindra Basnet; Gokul Acharya; Dinesh Upreti; Santosh Karki Chhetri; Jin Hu; |
| 594 | Strain Effect on Magnetocrystalline Anisotropy of Fe2As from First Principles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We used first-principles density functional theory to compute the strain dependence of MCA for Fe 2As, which has the same magnetic structure as CuMnAs. |
Junehu Park; Andre Schleife; |
| 595 | Antiferromagnetic Artificial Neuron Modeling of Biological Neural Networks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we use an artificial neuron model based on antiferromagnetic (AFM) spin Hall oscillators [1] to model the biological withdrawal reflex responsible for the preservation of self from a harmful stimulus. |
Hannah Bradley; Lily Quach; Steven Louis; Vasyl Tyberkevych; |
| 596 | Chiral Phonon Inverse Faraday and Barnett Effects Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We use a combination of phenomenological modeling and density functional theory calculations to simulate the coherent excitation of chiral phonons, which generate real and effective magnetic fields within the material, which subsequently produces a magnetization. |
Dominik Juraschek; |
| 597 | Nonlinear Phononic Rectification of Magnons Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we show that an analog process is possible for spin waves: Coherently excited chiral IR-active phonon modes act as a unidirectional effective magnetic field that transiently displaces the spins along the eigenvectors of a coupled magnon. |
Tom Kahana; Dominik Juraschek; |
| 598 | Nonlinear Phonon Dynamics in The Layered Antiferromagnetic FePS3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Nonlinear phonon couplings can be used for directional control of transient structural distortions, also called nonlinear phononic rectification, where the direction of distortion can be controlled through the polarization of the incident light pulse. Here, we apply this principle to the two-dimensional layered antiferromagnet FePS3. |
Pooja Rani; Dominik Juraschek; |
| 599 | Witnessing Nonequilibrium Entanglement Dynamics in A Strongly Correlated Fermionic Chain Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we investigate the applicability of this approach for detecting entangled states in quantum systems driven out of equilibrium. |
Denitsa Baykusheva; Mona Kalthoff; Damian Hofmann; Martin Claassen; Dante Kennes; Michael Sentef; Matteo Mitrano; |
| 600 | Nonperturbative Study of Bulk Photovoltaic Effect Enhanced By An Optically Induced Phase Transition Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate the bulk photovoltaic response of a quantum material with strongly coupled electron-spin-lattice dynamics using real-time simulations performed with a tight-binding model. |
Sangeeta Rajpurohit; Liang Z. Tan; Tadashi Ogitsu; |
| 601 | Non-equilibrium Electron Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We explore a new crystal-like non-equilibrium state of the Coulomb interacting electron gas. |
Egor Kiselev; Mark Rudner; Netanel Lindner; |
| 602 | Distinguishing and Controlling Mottness By Ultrafast Light Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we report the ultrafast electronic dynamics of a correlated material by ultrafast time- and angle-resolved photoemission spectroscopy. |
Changhua Bao; Shuyun Zhou; |
| 603 | Mechanisms for Long-Lived, Photo-induced Superconductivity in Alkali-Doped Fullerides Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Advances in the control of intense, far-infrared light has led to the striking discovery of optical signatures of long-lived, nonequilibrium superconductivity in K3C60 at 100K—five times above the equilibrium Tc in K3C60. Motivated by these experimental developments in photo-induced superconductivity, we investigate phononic mechanisms for long-lived and thermodynamically metastable photo-induced superconductivity far above Tc in a ab-initio inspired minimal model for alkali-dope fulleride superconductors. |
Sambuddha Chattopadhyay; Marios Michael; Eugene Demler; |
| 604 | Topologically Protected Unidirectional Magntoelectric Switching in Multiferroic GdMn2O5 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show that an application and subsequent removal of a magnetic field reverses the electric polarization of the multiferroic GdMn 2O 5, thus requiring two cycles to bring the system back to the original configuration. |
Sergey Artyukhin; |
| 605 | Magnetostructural Studies of Strongly Correlated Materials at 28-ID-1 (PDF), NSLS-II Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This presentation will discuss the results of our newest magnetostructural studies at 28-ID-1 and showcase the beamline capabilities. |
A.M.M. Abeykoon; Trevor Tyson; |
| 606 | Coupling Between Improper Ferroelectricity and Ferrimagnetism in The Hexagonal LuFeO3 Type Ferrite Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we aim to realize non-collinear ferrimagnetic orders having a considerably high M and their strong coupling with an improper ferroelectric (FE) order in hexagonal LuFeO 3 type systems which exhibit interesting topological orders [Nat. |
Hena Das; |
| 607 | Structural and Magnetic Properties of Epitaxially-strained Pb2CoTeO6 from First-principles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we combine group theoretic analysis with density functional theory calculations to investigate the energy landscape of bulk Pb 2CoTeO 6. |
Md Kamal Hossain; Elizabeth Nowadnick; |
| 608 | Prediction and Stabilization of New Nitride Multiferroics Using First-Principles Calculations Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will discuss our ab initio predictions of new multiferroic nitrides using both chemical substitution and strain on already-reported compounds to stabilize the sought-after multiferroics phases. |
Trinh Huynh; Katherine Inzani; Raul Flores; Sinead Griffin; |
| 609 | Hybrid Improper Ferroelectricity and Tunable Ionic States in Bilayer Perovskites Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In the first part of this talk, I will present the experimental demonstration of hybrid improper ferroelectricity in bilayer perovskite Sr 3Sn 2O 7 single crystal. |
Xianghan Xu; Fei-Ting Huang; Kai Du; Elizabeth Nowadnick; Kevin Smith; Janice Musfeldt; Sang-Wook Cheong; |
| 610 | Magnetoelectrocaloric Effect of Multiferroic GdFeO3: Electric-field-driven Magnetic Entropy Change Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report an experimental demonstration of MECE in multiferroic GdFeO 3, which possesses the controllability of magnetism and ferroelectric polarization by an external electric field below the ferroelectric transition temperature. |
Rintaro Ikeda; Takashi Kurumaji; Yusuke Tokunaga; Taka-hisa Arima; |
| 611 | Experimental and Theoretical Investigation of Magnetoelectric (ME) Coupling in Aligned Multiferroic Janus Fibers Using Second Harmonic Generation (SHG) Polarimetry at Different Magnetic Field Orientations Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We attempt to qualitatively relate the changes in the BTO to the expected changes in the CFO to gain insights into how the strain mediates the magnetoelectric (ME) coupling between the two constituents of multiferroic Janus fibers. |
Govinda Kharal; Saba Arash; Bryan Chavez; Sara Mills; Noah Ferson; Jennifer Andrew; Thomas Crawford; Yanwen Wu; |
| 612 | Giant Magnetoelectric Effect and Interactive Control of Magnetic Anisotropy Driven By A Ferroelectric Phase Transition in Ferromagnetic-piezoelectric Heterostructure Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We explored the induced magnetic anisotropy of an FeCo/Ag multilayer thin film deposited on the surface of 001 poled (Pb(In 1/2Nb 1/2)O 3-Pb(Mg 1/3Nb 2/3)O 3-PbTiO 3 PIN-PMN-PT single crystal as it is electrically driven through a ferroelectric-ferroelectric phase transition. |
Thomas Mion; Peter Finkel; Margo Staruch; Konrad Bussmann; |
| 613 | Magnetic Field-induced Dielectric Hole Burning in Mn-doped SrTiO3 Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: In Sr 0.98Mn 0.02TiO 3, successive spin (~34K) and structural glass ( T g~38K) transitions were previously found. The leading cause of magneto-electricity is the biquadratic … |
Amit Naiya; |
| 614 | Hidden Magnetic Octupoles: Tensor Decomposition and Second-order Magnetoelectric Effect Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We discuss how magnetic octupoles provide a basis for interpreting the second-order magnetoelectric effect, in which a bilinear electric field induces a linear magnetization, or the product of magnetic and electric fields induces a polarization. |
Andrea Urru; Nicola Spaldin; |
| 615 | Switching The Topological Phases in ZrTe5 By Phonons Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Zirconium pentatelluride (ZrTe 5) is a material at the phase boundary between topological insulator and Dirac semimetal. It was shown theoretically that atomic displacements … |
Qiang Li; |
| 616 | Strain and Doping-induced Control of Weyl Points for Enhancing Anomalous Nernst Conductivities Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We demonstrate that even modest epitaxial strain can significantly increase the ANC of magnetic heusler compounds. |
Ella Banyas; Vsevolod Ivanov; Liang Tan; |
| 617 | Pressure-induced Topological Phase Transition in 2D Tellurium Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report the electrical transport evidence of topological phase transition from a semiconductor to a Weyl semimetal in two-dimensional Tellurium (2D Te) under pressure (up to 2.47 GPa). |
Chang Niu; Zhuocheng Zhang; David Graf; Mingyi Wang; Wenzhuo Wu; Peide (Peter) Ye; |
| 618 | Observation of Pressure-induced Weyl State and Superconductivity in A Chirality-neutral Weyl Semimetal Candidate Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, supported by first-principles calculations, we present systematical angle-resolved photoemission studies of undoped SrSi 2 and Ca-doped SrSi 2 single crystals. |
Mengyu Yao; |
| 619 | Ultrafast Dynamics in Weyl Semimetal (W,Mo)Te_2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we show the temperature and composition evolution of structural and electronic dynamics in (W,Mo)Te_2. |
Kevin Fillhouer; Rose Albu Mustaf; Hanshang Jin; Yunshu Shi; Adam Gross; Valentin Taufour; Inna Vishik; |
| 620 | Controlling THz Emission in Topological Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our work demonstrates how photon drag activates a rich and pronounced directional optical linearity that are available even in centrosymmetric and polycrystalline Dirac materials. |
Elbert Chia; Justin Song; Liang Cheng; Hyunsoo Yang; Zheng Liu; Ying Xiong; Lixing Kang; Qing Chang; Mengji Chen; Jingbo Qi; Yu Gao; |
| 621 | Nonlinear Photoresponse of Type-II Dirac Semimetal NiTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Among them, the type-II Dirac semimetal NiTe 2 features unique Fermi surface configurations, such as chiral spin textures and strongly tilted Dirac cones close to the Fermi surface. Here we use terahertz (THz) emission spectroscopy to explore the nonlinear photoresponse in type-II Dirac semimetal NiTe 2 and its heterostructure as a function of polarization, helicity, and azimuthal angle. |
Ziqi Li; Kyusup Lee; Hyunsoo Yang; Elbert Chia; |
| 622 | Dynamical Terahertz Spectroscopy of Three-dimensional Dirac Semimetal Cd3As2 Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Three-dimensional Dirac semimetal Cd 3As 2 has drawn attention for its extremely mobile carriers and unique infrared response. Moreover, Dirac semimetals, with symmetry protected … |
Varun Ramaprasad; Yuan Zhang; Alexander Lygo; Sheikh Rubaiat Ul Haque; Kelson Kaj; Susanne Stemmer; Richard Averitt; |
| 623 | Topological Phonon Dispersion in Multifold Weyl Semimetal RhSi Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Based on first principles calculations, transition metal monosilicides are expected to host topological Weyl nodes. Here we use inelastic x-ray scattering (IXS) experiments to measure the bulk phonon dispersion of RhSi, a unique material that is expected to host multifold Weyl nodes in both its electronic and phonon band structure. |
Dipanjan Chaudhuri; Zhihao Jiang; Xuefei Guo; Simon Bettler; Ahmet Alatas; Nathaniel Manning; Chandra Shekhar; Claudia Felser; Andre Schleife; Peter Abbamonte; |
| 624 | Visualizing Photocurrent Flow in Anisotropic Weyl Semimetals Using NV Magnetometry Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we image the two-dimensional photocurrent flow inside the type-II Weyl semimetals WTe 2 and TaIrTe 4 using a new technique – photocurrent flow microscopy – based on high-sensitivity, ac magnetometry with nitrogen-vacancy (NV) centers in diamond. |
Yuxuan Wang; Xin-Yue Zhang; Chunhua Li; Xiaohan Yao; Ruihuan Duan; Thomas Graham; Zheng Liu; Fazel Tafti; David Broido; Ying Ran; Brian Zhou; |
| 625 | Magnetic Weyl Nodal Ring States and Landau Quantization in Square-net Magnets Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will introduce a new magnetic Weyl nodal line semimetal with a layered square-net structure motif, featuring the Weyl nodal ring states in the close vicinity of the Fermi level. |
Shiming Lei; |
| 626 | Neutron Scattering and Magnetic Excitations in Weyl Semimetal NdAlSi Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We highlight the importance of the crystal electric field; our approach to modeling the data; and how we might gain more insight into possible Weyl-mediated exchange interactions. |
Chris Lygouras; Jonathan Gaudet; Hung-Yu Yang; Xiaohan Yao; Andrey Podlesnyak; Predrag Nikolic; Jose Rodriguez; Fazel Tafti; Collin Broholm; |
| 627 | GdAlSi: A Potential Candidate for Antiferromagnetic Weyl Semimetal Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Moreover, our experimental results further support the novel WSM phase in GdAlSi. Hence, our study on this quantum composite material provides a new direction for exploring the emerging topological states for future research and applications in topotronics. |
Jadupati Nag; |
| 628 | Evidence of Robust Edge Mode in Magnetic Weyl Semimetal Co3Sn2S2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Ferromagnetic Weyl semimetal Co3Sn2S2 belongs to the family of magnetic topological materials where time-reversal symmetry is spontaneously broken. We use scanning tunneling microscopy and spectroscopy to study its topological nature by measuring robust boundary responses. |
PRANAB NAG; Noam Morali; Rajib Batabyal; Jahyun Koo; Hengxin Tan; Raquel Queiroz; Maxim Breitkreiz; Piet Brouwer; Enke Liu; Claudia Felser; Binghai Yan; Nurit Abraham; Haim Beidenkopf; |
| 629 | Theory of Spin/charge Transport and Magnetic Orderings in Stacked Kagome-lattice Weyl Semimetal Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we introduce our recent analyses of magnetic ordering and spin/charge transport using the CSS effective tight-binding model. |
Akihiro Ozawa; Kentaro Nomura; |
| 630 | Thickness Dependent Quantum Oscillations in Ferromagnetic Weyl Metal SrRuO3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In a Weyl semimetal, a unique Weyl-orbit quantum oscillations can appear resulting from a nonlocal cyclotron orbit that connects the top and bottom Fermi-arc surface states via the bulk Weyl nodes. In this talk, such a Weyl-orbit effect (WOE) will be demonstrated in untwinned thin films of ferromagnetic Weyl metal SrRuO3 (SRO). |
Wei-Li Lee; Wei-Cheng Lee; Steffen Wiedmann; Akhilesh Singh; Uddipta Kar; Yu-Te Hsu; Steffen Wiedmann; Maarten Berben; Chih-Yu Lin; Bipul Das; Cheng-Tung Cheng; Chia-Hung Hsu; Song Yang; Chun-Yen Lin; |
| 631 | Observation of Spiral Spin Order and A-phase in Weyl Semimetal SmAlSi Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present evidence of a spiral magnetic order in SmAlSi induced by Weyl-mediated RKKY interactions [2]. |
Xiaohan Yao; Jonathan Gaudet; Predrag Nikolic; David Graf; Fazel Tafti; |
| 632 | Maximizing Anomalous Hall Effect By Tuning The Fermi Level in Simple Weyl Semimetal EuCd2Sb2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our present work paves the way for further exploring the potential of Weyl-node-based exotic magnetotransport using film techniques. |
Masaki Uchida; Mizuki Ohno; Susumu Minami; Yusuke Nakazawa; Shin Sato; Markus Kriener; Ryotaro Arita; Masashi Kawasaki; |
| 633 | Structure-driven Topological Phase Transition in A Quasi-one-dimensional Ferromagnetic Weyl Semi-metal Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we show that the unique topological phase transition from a trivial insulator to a topological magnetic Weyl semimetals is structure driven, and can be achieved using temperature as the tuning parameter. |
Chin Shen Ong; Ola Forslund; Nicolas Gauthier; Hiroshi Uchiyama; Daniel Mazzone; Masafumi Horio; Nami Matsubara; Elisabetta Nocerino; Deepak Mukkattukavil; Konstantinos Papadopoulos; Kazuya Kamazawa; Kazuhiko Ikeuchi; Romain Sibille; Antonio dos Santos; Hidenori Takagi; Masahiko Isobe; Jun Sugiyama; Johan Chang; Yasmine Sassa; Olle Eriksson; Martin Mansson; |
| 634 | Carrier Density Dependence of The Anomalous Hall Conductivity of EuCd2As2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We observed colossal negative magnetoresistance in low carrier density EuCd 2As 2 when the external magnetic field polarized the spins. |
Yue Shi; Zhaoyu Liu; Qianni Jiang; Elliott Rosenberg; Jonathan DeStefano; Cheng-Chien Chen; Jiun-Haw Chu; |
| 635 | Discovery of A Topological Quantum Link Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We introduce a remarkable linking number (knot theory) invariant associated with loops of electronic band crossings in the mirror-symmetric ferromagnet Co 2MnGa [1-4]. |
Ilya Belopolski; Guoqing Chang; Tyler Cochran; Zi-Jia Cheng; Xian Yang; Cole Hugelmeyer; Kaustuv Manna; Jia-Xin Yin; Guangming Cheng; Maksim Litskevich; Nana Shumiya; Songtian Sonia Zhang; Chandra Shekhar; Niels Schröter; Alla Chikina; Craig Polley; Balasubramanian Thiagarajan; Mats Leandersson; Johan Adell; Shin-Ming Huang; Nan Yao; Vladimir Strocov; Claudia Felser; Zahid Hasan; |
| 636 | Magnetic Field-controlled Phonon Softening in Topological Semimetal Co2MnGa Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we present inelastic scattering measurements performed on Co2MnGa performed at room temperature under a magnetic field to map the field-dependent phonon dispersions. |
Thanh Nguyen; Nathan Drucker; Nina Andrejevic; Mingda Li; Ahmet Alatas; Haowei Xu; |
| 637 | Raman Scattering Study of Magnetism in The Kagome Materials Fe3Sn2 and Co3Sn2S2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In our Raman study we find anomalies in both line width and energy of the lowest A 1g phonon where the Sn atoms vibrate perpendicular to the Fe plane. |
Rudolf Hackl; Leander Peis; Ge He; Daniel Jost; Lilian Prodan; Vladimir Tsurkan; Christoph Meingast; Ramona Stumberger; Andreas Baum; Changjiang Yi; Youguo Shi; Nico Unglert; Malhar Kute; Brian Moritz; Thomas Devereaux; |
| 638 | Charge Transfer-enhanced D-d Emission in Antiferromagnetic NiPS3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, although the unpaired d electrons in transition metal atoms of magnetic materials play crucial roles in determining their properties, the d electron transitions especially d- d emission, have rarely been observed in magnetic materials due to the forbidden selection rules. Here, we report an observation of d- d emission in antiferromagnetic nickel phosphorus trisulfides (NiPS 3) and its strong enhancement by stacking it with monolayer tungsten disulfide (WS 2). |
Xi Ling; |
| 639 | Magnetic Domain States Investigated By Nonlinear Optical Spectroscopy in A Van Der Waals A-type Antiferromagnet Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, we show our recent effort of investigating magnetism in CrSBr using the interference second harmonic generation rotation ansiostropy (SHG RA) measurements. |
Xiaoyu Guo; Wenhao Liu; Robert Hovden; Bing Lv; Liuyan Zhao; |
| 640 | Controlling The Magnetic Properties of Layered Cr2Te3 Ultra-thin Film Via Ex-situ Annealing Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we investigate the controlling of the magnetic properties of Cr 2Te 3 ultra-thin films with the ex-situ annealing method. |
INHAK LEE; Yeong Gwang Khim; Jae Un Eom; Jung Yun Kee; Hyuk Jin Kim; Byoung Ki Choi; Min Jay Kim; Younghak Kim; Byeong-hyeon Lee; Sung Ok Won; Hoyoung Suh; Hye Jung Chang; Kyeong Jun Lee; Seo Hyoung Chang; Hyun Hwi Lee; Young Jun Chang; Jun Woo Choi; |
| 641 | Ligand Spin-Orbit Coupling Primarily Determining Fundamental Spin Interactions in Chromium Trihalides Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We use ferromagnetic resonance (FMR) spectroscopy to quantitatively determine the spin interactions in the chromium trihalides (CrX 3, X = Cl, Br, I) including the Heisenberg (J), Kitaev (K), and off-diagonal symmetric (Γ) exchange interactions in the Hamiltonian defined by crystal symmetries, and we investigate their correlations with spin-orbit coupling (SOC) strength of the p orbitals of the ligand atom X. Three CrX 3 compounds provide an excellent material platform for exploring and realizing exotic two-dimensional (2D) spin orders since they share the same crystal structure and have the same Hamiltonian, but the SOC strength imposed by the p orbital of the various ligands, X, is different. |
Inhee Lee; Warren Huey; Johan van Tol; Joshua Goldberger; Nandini Trivedi; P Chris Hammel; |
| 642 | A Three-Stage Magnetic Phase Transition Revealed in Ultrahigh-Quality Van Der Waals Bulk Magnet CrSBr Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, ultrahigh-quality air-stable vdW CrSBr crystals are synthesized using the direct solid-vapor synthesis method. |
Wenhao Liu; Xiaoyu Guo; Jonathan Schwartz; Hongchao Xie; Nikhil Dhale; Aswin kondusamy; Xiqu Wang; Haonan Zhao; Suk Hyun Sung; Diana Berman; Robert Hovden; Liuyan Zhao; Bing Lv; |
| 643 | Competing Phases in Transition Metal Dichalcogenides: Charge Density Waves and Magnetism Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we will summarize our findings in the family of V- and Cr-based transition metal dichalcogenides. |
Victor Pardo; Jan Phillips; Adolfo Fumega; Santiago Blanco-Canosa; |
| 644 | Large Orbital Moment in VI3 As Evidenced By X-ray Magnetic Circular Dichroism Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: With the help of density functional theory and ligand field multiplet simulations we propose a model for the V ground state where there is a co-existence of two V sites with different orbital occupation. |
Cinthia Piamonteze; Dávid Hovancík; Jirí Pospíšil; Karel Carva; Vladimír Sechovsky; |
| 645 | Second Order Nonlinear Optical Spectroscopy Study of A Van Der Waals Multiferroic NiI2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Despite the significance of magnetism in both attractions mentioned above, it remains understudied thus far. In this presentation, we will leverage the high sensitivity of our electric-quadrupole second harmonic generation (EQ SHG) to investigate the magnetic phase in NiI 2 and its coupling to the ferroelectric phase. |
Suhan Son; Youngjun Ahn; Youjin Lee; Je-Geun Park; Liuyan Zhao; |
| 646 | Magnetic Tunability of Fe-based Van Der Waals Materials Via Halide Composition Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I report the sensitivity of the magnetic ground state in the series of compounds FeCl 3-xBr x to minute changes in non-magnetic ligand size. |
Alenna Streeter; Andrew Cole; Fazel Tafti; Xiaohan Yao; Huibo Cao; Erxi Feng; Stephen Nagler; Adolfo Fumega; Jose Lado; |
| 647 | Visualizing Magnetic Phase Transitions in 2D Van Der Waals Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We employ a scanning technique with single Nitrogen-Vacancy centers embedded in an all-diamond scanning probe to image nanoscale magnetization patterns in a range of 2D materials, including members of the prominent Chromium trihalide family. |
Märta Tschudin; David Broadway; Patrick Reiser; Carolin Schrader; Patrick Maletinsky; |
| 648 | Electrical Readout of An Insulating Van Der Waals Magnet Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report experiments to study how proximity coupling within heterostructures containing insulating vdW magnets and other vdW materials – graphene and transition metal dichalcogenides – affects their longitudinal resistance, Hall resistance, and other transport characteristics, with the aim of developing additional approaches for efficient electrical read-out of the magnetic state. |
Bozo Vareskic; Maciej Olszewski; Ariel Shaked; Daniel Ralph; |
| 649 | Screening The Unexplored Crystal Prototype Space and Inverting XRD Patterns with The WREN Machine-learning Model Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This talk presents the WREN model and demonstrates our recent progress in using it to invert XRD patterns. |
Rickard Armiento; Abhijith Parackal; Rhys Goodall; Felix Faber; Alpha Lee; |
| 650 | Semi and Self Supervised Approaches to Space Group and Bravais Lattice Determination Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: During this talk, I will discuss our work [1] to use neural networks to automatically classifiy Bravais lattices and space-groups from neutron powder diffraction data. |
William Ratcliff; Satvik Lolla; Ichiro Takeuchi; Aaron Kusne; Haotong Liang; |
| 651 | Machine Learning The Electronic Structure of Phase Change Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we use machine learning to parameterize a tight-binding ansatz for the electronic structure of complex phase change materials. |
Qunfei Zhou; Suvo Banik; Srilok Srinivasan; Subramanian Sankaranarayanan; Pierre Darancet; |
| 652 | Data-driven Studies of Topological Magnetic VdW Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we consider a very large number of candidate materials (~10 4) formed by tuning the chemical composition of AB 2X 4. |
Romakanta Bhattarai; Peter Minch; Trevor David Rhone; |
| 653 | Data-driven Study of Magnetic Anisotropy in Transition Metal Dichalcogenide Monolayers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate the magnetic and thermodynamic properties of transition metal dichalcogenides of the form AX 2, based on monolayer MnSe 2 using data analytics. |
Peter Minch; Romakanta Bhattarai; Trevor David Rhone; |
| 654 | Using Chemical-formula-based Generalizable Models to Expand The Search Space for Viable Interconnect Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: For our stability metrics, we use the energy with respect to the convex hull, and 0K thermodynamic reaction energies with air, water and SiO2. |
Akash Ramdas; Evan Reed; Felipe da Jornada; |
| 655 | How to Search for Stable Inorganic Compounds More Efficiently Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To guide the search towards the most likely stable compounds, several recommendation engines have been developed, varying in their strategy from data mining to machine learning. We conduct a systematic comparison of the performance of previously developed recommendation engines in recovering stable hypothetical compounds in the Open Quantum Materials Database (OQMD), and develop workflows to execute these methods in a highly efficient manner. |
Sean Griesemer; Ruijie Zhu; Koushik Pal; Cheol Park; Logan Ward; Christopher Wolverton; |
| 656 | Integrating Machine Learning with Mechanistic Models for Predicting The Yield Strength of High Entropy Alloys Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we demonstrate a computational approach that integrates mechanistic models with phenomenological and ML models to rapidly predict the temperature-dependent yield strength of high entropy alloys (HEAs) that form in the single-phase face-centered cubic (FCC) structure. |
Shunshun Liu; Kyungtae Lee; Prasanna Balachandran; |
| 657 | Statistics on The Magnetism of Cobalt Compounds: A Database Approach to Discovering New Co-based Ferromagnets Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose a method to facilitate the search for novel ferromagnets by creating a database of cobalt-based compounds. |
Journey Byland; Yunshu Shi; David Parker; Jingtai Zhao; Shaoqing Ding; Rogelio Mata; Haley Magliari; Andriy Palasyuk; Sergey Bud’ko; Paul Canfield; Peter Klavins; Valentin Taufour; |
| 658 | Navigating Materials Design Space with Variational Autoencoders to Learn Materials Thermodynamics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We introduce a definition of materials similarity in (property-ordered) low-dimensional latent spaces, compare it to the materials similarity in the input materials fingerprint space, and demonstrate transferable models of thermodynamic properties. |
Vahe Gharakhanyan; Dallas Trinkle; Snigdhansu Chatterjee; Alexander Urban; |
| 659 | Automatic, Physical Data Extraction from Scientific Publications for Application to Generative Molecular Design in Computational Materials Discovery Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this contribution, we will present a method and research tool that allows the annotation and automatic extraction of physical and chemical data tables from document files. |
Ronaldo Giro; Mohab Elkaref; Hsianghan Hsu; Nathan Herr; Geeth de Mel; Mathias Steiner; |
| 660 | Machine Learned Synthesizability Predictions Aided By Density Functional Theory Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we demonstrate that stability calculated from DFT plays a crucial role in enabling a machine learning model to accurately predict half-Heusler synthesizability. |
Andrew Lee; Suchismita Sarker; James Saal; Logan Ward; Christopher Borg; Apurva Mehta; Christopher Wolverton; |
| 661 | Hypothesis-driven Active Learning Over The Chemical Space Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we introduce a novel approach for active learning of a wide chemical space based on hypothesis learning. |
Ayana Ghosh; Sergei Kalinin; Maxim Ziatdinov; |
| 662 | Artificial Intelligence Guided Materials Discovery of Van Der Waals Magnets Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we will harness AI to efficiently explore the large chemical space of vdW transition metal halides and to guide the discovery of magnetic vdW materials with desirable spin properties. |
Trevor David Rhone; Bethany Lusch; Misha Salim; Haralambos Gavras; Vaishnavi Neema; Daniel Larson; Efthimios Kaxiras; |
| 663 | Emergent Atomistic Polarization Textures in Quasi-1D Hexagonal Chalcogenides Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will report the existence of atomic-scale vortex-antivortex dipolar structures in a quasi-1D hexagonal chalcogenide, BaTiS 3 from the refined structures of X-ray synchrotron single crystal diffraction studies. |
Jayakanth Ravichandran; |
| 664 | Infrared and Raman Spectroscopy of Single Crystal (Nb,In) Co-doped Rutile Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Co-doped rutile single crystals of (Nb,In) 0.02Ti 0.98O 2 (2-NITO) were grown using float zone melting. These crystals exhibit dielectric permittivity (f< MHz) significantly … |
David Crandles; Mike Cosco; Niki Patel; Dimitrij Nuzhnyj; Victor Bovtun; Jan Petzelt; Hiroki Taniguchi; |
| 665 | Modulation of The Charge State of Si-vacancy Defects in Diamond and Their Photoluminescence Using High Voltage Nanosecond Pulses Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In the work presented here, we demonstrate a voltage-controlled mechanism by which the photoluminescent (PL) emission from silicon-vacancy (Si-V) defects in diamond can be modulated. |
Stephen Cronin; |
| 666 | Metastable Cation Vacancies in Semiconducting Oxides Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Such structures include the Ga(1) vacancy in the β phase of Ga 2O 3, the cation vacancy in the α phase of Ga 2O 3, Al 2O 3 and In 2O 3, and the Cu vacancy in Cu 2O, among others. We review and (using the CRYSTAL17 code [2]) add to the existing knowledge of this family of defects, and note that it is critical that the significance of the “shifted” structure as the equilibrium configuration be fully recognized in calculations of electronic properties, level positions, and other properties for these and similar systems. |
W Fowler; Michael Stavola; Andrew Venzie; Amanda Portoff; |
| 667 | Origin of Layer-dependent Electrical Conductivity of Transition Metal Dichalcogenides Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using density functional theory, we analyze the layer-dependent defect thermodynamics of n- and p-type defects in MoS 2 and WS 2. |
Akash Singh; Abhishek Singh; |
| 668 | Local Defects in Two-dimensional Gallium Sulfide, As Single-photon Emitters: First-principle Evaluation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: I thus propose here the C S-, N S-, and P S-defects in the two-dimensional GaS as promising candidates for the SPE in near-infrared emission region. |
Sergey Stolbov; |
| 669 | First-principles Study of The Effect of Polytype Inclusions on Divacancies in Silicon Carbide Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We discuss the impact of polytype inclusions on the electronic structure, zero-phonon line, zero-field splitting, and radiative lifetime of the divacancies in close proximity to interfaces between different polytypes, unveiling a promising pathway to tailoring the properties of spin defects in SiC. |
Victor Yu; Marco Govoni; |
| 670 | The Classification and Diagnosis of Magnetic Topological States Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Topological band theory, essentially single-particle, can be extended to magnetic materials, as long as we assume that the electrons that contribute to topology are separate from those that contribute to local moments, which are static, and that the electrons interact with the local moments only via exchange coupling (effective Zeeman). |
Chen Fang; |
| 671 | Theory of Emergent Inductance and Capacitance in Topological Insulator Thin Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Theory of Emergent Inductance and Capacitance in Topological Insulator Thin Films. |
Stewart Barnes; |
| 672 | Anomalous Hall Effect in Conical Helimagnet Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We find the anomalous Hall effect (AHE) exhibiting the dramatic behavior with respect to chemical potential, μ, in conical magnetic structures. |
Yuri Dahnovsky; |
| 673 | First Principles Calculations of A Topological Invariant for Thin Magnetically-Doped SnTe Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Furthermore, interactions between the top and bottom surfaces may alter the band topology of the material and therefore the Chern number of the quantum anomalous hall state. To assess these effects, we performed density functional theory calculations of the electronic structure for SnTe thin films with differing thickness, strain, surface termination, and Cr-doping. |
Keith Ray; Dongxia Qu; |
| 674 | CP2 Skyrmion and Skyrmion Crystals in Realistic Quantum Magnets Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we will generalize the concept of magnetic skyrmions by exploiting the fact that N-level systems admit more than one classical limit. |
Hao Zhang; Zhentao Wang; David Dahlbom; Kipton Barros; Cristian Batista; |
| 675 | Spin Polarized Majorana Zero Modes in Penta-silicene Nanoribbons Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In the present work, we study the possibility of obtaining Majorana zero modes (MZMs) in penta-silicene nanoribbons (p-SINRs) [R. Pawlak et al. |
Marcos Sergio Figueira Silva; Renan Bento Campos; Jorge Correa; Luciano Ricco; Ivan Shelykh; Mucio Continentino; Antonio Seridonio; Guy Lay; |
| 676 | Chiral Detection of Majorana Bound States: A Story of Clear Advantage Over Conventional Detection Scheme Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: A hybrid setup consisting of a superconductivity-proximitized quantum spin Hall (QSH) insulator and a quantum anomalous Hall (QAH) insulator is proposed for chiral injection of … |
VIVEKANANDA ADAK; Aabir Mukhopadhyay; Suman De; Udit Khanna; Sumathi Rao; Sourin Das; |
| 677 | Thermal Signature of Majorana Fermion in A Josephson Junction Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Specifically, we consider a thermally biased JJ hosting a pair of MBS in a helical edge state of a2D topological insulator. |
Aabir Mukhopadhyay; Sourin Das; |
| 678 | Predicting Solid-state Synthesis Recipes for Computationally-designed Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, I will show how we can guide solid-state synthesis planning using information that is largely-available in high-throughput materials databases like the Materials Project. |
Wenhao Sun; |
| 679 | Design Rules and Predictive Descriptor for High-Entropy Materials Design and Discovery Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we propose a Mixed Enthalpy-Entropy Descriptor (MEED) that can enable robust high-throughput screening for new HEMs over large chemical spaces. |
Liping Yu; Dibyendu Dey; Liangbo Liang; |
| 680 | Probabilistic Analysis of Entropy Stabilized Oxides Using DFT and Machine Learning Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: For systems large enough to be representative of the material, DFT can be quite computationally expensive, so instead we utilize Machine Learning (ML) algorithms to identify structural and energetic descriptors based on DFT. We aim to use these ML algorithms to scan through potential ESO candidates and predict which ones will be the best for more in-depth study using the more accurate but computationally expensive DFT. |
Lily Joyce; Kristen Johnson; Christina Rost; Kendra Letchworth-Weaver; |
| 681 | A Song of Energy Scales and Technology: The Elusive Challenge of Heusler Alloys Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will outline our theoretical and experimental efforts to understand the root causes behind the experimental disconnect with theory in Heusler systems, and our efforts to find and realize materials that do not have deleterious atomic disorder or melting temperatures too high to allow layered growth. |
Adam Hauser; Ridwan Nahar; Ka Ming Law; |
| 682 | Electronic Properties and Phase Stability of Full and Inverse Heusler X2FeAl (X=20 Transition Metal Elements) By First-Principle Calculations Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Before intermetallic Heusler alloys can be best applied in spintronic devices, materials must be found that either (1) have strong energetic preference for atomic configurations … |
Ka Ming Law; Ridwan Nahar; Sujan Budhathoki; Michael Zengel; Thomas Roden; Justin Lewis; Adam Hauser; |
| 683 | Machine Learning-Guided Discovery of Ternary Compounds Containing La, P, and Group 14 Elements Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We integrate a deep machine learning (ML) method with first-principles calculations to efficiently search for the energetically favorable ternary compounds. |
Weiyi Xia; Huaijun Sun; Chao Zhang; Ling Tang; Renhai Wang; Georgiy Akopov; Nethmi Hewage; Kai-Ming Ho; Kirill Kovnir; Cai-Zhuang Wang; |
| 684 | High-throughput Design of Interfacial Perpendicular Magnetic Anisotropy at Materials Interfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will discuss our recent research progress to search for candidate Heusler/MgO material interfaces with strong PMA and other desired material properties for spintronic technologies using a high-throughput screening approach. |
Kesong Yang; Sicong Jiang; |
| 685 | Integrated Machine Learning Assisted High-throughput Discovery of Novel Magnetic Double Perovskite Oxides Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We use classification learning to distinguish between anti-ferromagnetic (AFM) and ferromagnetic (FM) exchange dominated DPs with the high accuracy of 82%, regression learning to fit magnetic transition temperatures ( Tc) with the mean square error of 19 and 67 K, respectively, and propose two AFM and four FM candidates with high Tc. |
Shuping Guo; Jeroen van den Brink; Oleg Janson; |
| 686 | A Data-driven Interpretation of The Stability of Molecular Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: While this is usually performed based on the empirical observation of the most commonly encountered motifs in known crystal structures, in this talk I will propose to apply a combination of supervised and unsupervised machine-learning techniques to automate the construction of an extensive library of molecular building blocks. I will introduce a structural descriptor tailored to the prediction of the binding energy for a curated dataset of organic crystals and exploit its atom-centered nature to obtain a data-driven assessment of the contribution of different chemical groups to the lattice energy of the crystal. |
Rose Cersonsky; Michele Ceriotti; |
| 687 | Ab Initio Workflow for High-throughput Multiferroic Materials Discovery Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Instead, our more general approach identifies polar insulating materials on or near the convex hull, and assesses possible ferroelectric order, (antiferro)magnetic order, or both by (i) constructing a prospective nonpolar parent phase using a pseudosymmetries-based approach; and (ii) determining the stable magnetic ground state ordering for potential magnetic compounds. |
Francesco Ricci; Ella Banyas; Stephanie Mack; Jeffrey Neaton; |
| 688 | First-principles Prediction of The Phase Stability of High-entropy Oxides Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In a recent paper, Bokas et al. [2] presented a model capable of predicting the mixing enthalpies of high-entropy alloys from the mixing enthalpies of their constituent binaries. |
Francisco Marques dos Vieira; Ismaila Dabo; Saeed S I Almishal; Jon-Paul Maria; Sai Venkata Gayathri Ayyagari; Nasim Alem; Simon Gelin; Tara Karimzadeh Sabet; |
| 689 | Piezoelectric Ferromagnetism in Two-dimensional Materials Via Computational Materials Screening Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using ab initio computational materials screening, we predict that monolayer FeCl2 is a two-dimensional piezoelectric ferromagnet (PFM) with easy-axis magnetism and a Curie temperature of 260 K [1]. |
Kayahan Saritas; Sohrab Ismail-Beigi; |
| 690 | High-throughput Computational Screening of 2D Materials for Transverse Thermoelectrics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we have investigated the transverse thermoelectric effect in 2D magnetic materials by using automated high throughput density functional theory calculations and the semiclassical Boltzmann transport theory[6]. |
Rifky Syariati; Hikaru Sawahata; Susumu Minami; Naoya Yamaguchi; Fumiyuki Ishii; |
| 691 | "Ultrafast Control of Electronic Interactions in Low-dimensional Cuprate Superconductors" Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Achieving a light-induced dynamical renormalization of the screened onsite Coulomb repulsion (“Hubbard U”) has far-reaching implications for the ultrafast manipulation of superconductivity and magnetism in the solid state. In this talk, I will discuss the light-induced renormalization of the Hubbard U in two cuprate superconductors – the quasi-1D compound Sr 2CuO 3+ d, and the quasi-2D La 2-xBa xCuO 4 – and discuss its implications for the control of superconductivity, magnetism, as well as to the realization of other long-range-ordered phases in light-driven quantum materials. |
Matteo Mitrano; |
| 692 | Tuning Crystal Symmetries By Out-of-plane Shear Deformation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here I will discuss our efforts to perform out-of-plane shear-based measurements. |
Arthur Barnard; Morgan Sherer; Chadwick Evans; Patrick El Khoury; Xiaodong Xu; Jiun-Haw Chu; David Cobden; |
| 693 | Time-resolved Photoemission with A Momentum Microscope at LCLS II Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk I will discuss our plans to deploy a momentum microscope endstation for time-resolved photoemission at LCLS II. |
Jake Koralek; |
| 694 | Depth-Sensitive Grazing Incidence Crystallography: From Atomic to Mesoscopic Scale In-plane Structures Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: A high brilliance neutron source, the second target station at the Spallation Neutron Source at ORNL, provides unique conditions for experiments on small thin-film samples with … |
Valeria Lauter; Boris Toperverg; |
| 695 | Order-Disorder, Displacive Ferroelectrics, and Use of Bragg CDI for Characterization of Ferroelectric Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: It can be used to relate displacement fields to the ferroelectric polarization in various ferroelectric materials using the Born-Effective Approximation and Landau Theory. |
Nimish Nazirkar; |
| 696 | Deep-ultraviolet Transient Grating for Characterizing Nanoscale Thermal, Elastic, and Interfacial Properties in High-bandgap Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we demonstrate a deep-ultraviolet (DUV) transient grating to characterize a more general set of materials at smaller length scales than visible-based methods allow. |
Emma Nelson; Brendan McBennett; Joshua Knobloch; Albert Beardo; Henry Kapteyn; Margaret Murnane; |
| 697 | Multi-contrast Laboratory-based X-ray Microscopy with Freestanding, High-aspect-ratio Gold Masks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We are developing a novel x-ray microscope working with laboratory sources, in which phase and scatter images are obtained simultaneously with absorption ones, and image resolution is determined by the apertures in a custom-developed mask placed before the specimen. |
Cha-Mei Tang; Sandro Olivo; Michela Esposito; |
| 698 | Designing CENTAUR, The Small- and Wide-angle Neutron Scattering Instrument with Diffraction and Spectrometer Capability at The Second Target Station of The Spallation Neutron Source Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, we will present the progress on the design of the Centaur instrument. |
Shuo Qian; Cristina Boone; |
| 699 | Determination of Viscoelastic Poisson’s Ratio on A Novel Combined Torsional-axial MultiDrive Device Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: The lateral contraction of a material when stressing the material in axial direction is described by the Poisson’s ratio. In case of viscoelastic materials, like polymers, this … |
Abhishek Shetty; José Agudo; Alberto Rodríguez; Jan Haeberle; Michael Müller-Pabel; Christopher Giehl; |
| 700 | Applications of Electron Energy Loss Spectroscopy for Atomic-scale Imaging of Exciton and Phonon Dynamics in Quantum Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In my talk, I will elaborate on how this technique is useful to untangle correlated properties of quantum materials. |
Sandhya Susarla; |
| 701 | How Many Detector Pixels Do We Need for Super-resolution Ptychography? Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we demonstrated that super-resolution is still possible with only 2×2 detector pixels with increased real space sampling and that the ptychography can significantly outperform the conventional DPC analysis. |
Xiyue Zhang; Zhen Chen; Yi Jiang; David Muller; |
| 702 | Nanoscale Ultrafast Dynamics in Molecular/TMD Heterostructure Imaged By Time-resolved Photoemission Electron Microscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To establish a nanoscale morphology-property relationship as well as understand how Moiré superlattice impacts charge transfer, we investigated an atomically thin perylene diimide (PDI) film deposited on polycrystalline single layer MoS 2 using photoemission electron microscopy (PEEM) with spatial resolution as good as 25 nm. |
Ruiyu Li; Tomojit Chowdhury; Ce Liang; Prakriti Joshi; Jiwoong Park; Sarah King; |
| 703 | Impact of Strain and Dark States on Spectroscopic Measurements of Silicon-vacancy Centers in Diamond Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we report on a series of computational simulations aimed at developing a better understanding of strain effects within SiV – center ensembles. |
Christopher Smallwood; Tommy Chin; Kelsey Bates; |
| 704 | Photon Emission Correlation Spectroscopy As An Analytical Tool for Quantum Defects Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Direct comparisons of PECS data with optical dynamics simulations can provide a wealth of information about these processes. To illustrate this, we will discuss the application of PECS to emitters in hexagonal boron nitride, demonstrating how PECS experiments and simulations reveal mechanisms of optical excitation and emission that inform detailed hypothesized models for the emitters’ electronic structure and optical dynamics [2]. |
Rebecca Fishman; |
| 705 | Enhancement of Single Photon Emitters in Hexagonal Boron Nitride Multilayered Flakes Via Plasmonic Resonance in Metallic Nanostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we create SPEs in thin (thickness ≤ 10 nm) hBN flakes deposited on a Si/SiO2 substrate by using a high-temperature (1100 °C) annealing method under O 2 flow and characterize their quantum properties using a home-built confocal fluorescence microscope. |
Abdelghani Laraoui; Mohammadjavad Dowran; Suvechhya Lamichhane; Adam Erickson; Andrew Butler; Sy-Hwang Liou; Christos Argyropoulos; |
| 706 | Quantum Defects and Photoluminescent Centers in Cubic Boron Nitride Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Experimental efforts have uncovered a wealth of photoluminescent centers, but their microscopic origin and aptness for quantum applications has not been assessed. We address these issues with first-principles calculations based on hybrid density functional theory. |
Mark Turiansky; Chris Van de Walle; |
| 707 | Spin Defects in Hexagonal Boron Nitride for Proximity Quantum Sensing Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we will focus on using first-principle calculation along with model Hamiltonians to discuss properties of hBN defect in stacked heterostructure system for quantum applications. |
Lingnan Shen; Di Xiao; Ting Cao; |
| 708 | Swelling and The Activation of HBN Single-photon Emitters Synthesized By Focused Ion Beam Patterning and Carbon-rich Annealing Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we perform atomic force microscopy to characterize the surface morphology of hBN regions patterned by Ga+ FIB to create SPEs at a range of ion doses and find that material swelling is strongly correlated to the onset of non-zero SPE yields. |
Rachael Klaiss; Josh Ziegler; David Miller; Kara Zappitelli; Kenji Watanabe; Takashi Taniguchi; Benjamin Aleman; |
| 709 | Ion Beam Induced Infrared Color Centers in Silicon As Quantum Emitters and Sensors of Irradiation Damage Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we studied the formation dynamics of G color centers in Si with as-received carbon under various ion beam irradiations, and demonstrated using G centers as a sensitive probe for irradiation damage and atomic disorder. |
Wei Liu; Qing Ji; Arun Persaud; Kaushalya Jhuria; Vsevolod Ivanov; Jacopo Simoni; Walid Redjem; Yertay Zhiyenbayev; Christos Papapanos; Boubacar Kante; Liang Tan; Javier Lopez; Thomas Schenkel; |
| 710 | Correlation of Nanoscale Strain Distributions with The Spectral Emission Properties from Nanoindentation Induced Quantum Emitters in 2D TMD Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a survey of nanoindentation parameters into 2D TMDs, specifically WSe 2, varying the size, geometry, and indentation force of the AFM probe used for nanoindentation. |
Andrew Jones; Emma McClure; Sean Doan; Han Htoon; Xiangzhi Li; |
| 711 | Selective Generation of V2 Silicon-Vacancy Color Centers in Silicon Carbide Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we demonstrate the selective generation of V2 silicon-vacancy color centers in 4H-SiC. |
Yongzhou Xue; Linran Fan; Zheshen Zhang; |
| 712 | Manufacturing Integrated Quantum Systems with Direct-bonded Diamond Membranes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we developed a scalable membrane transfer technique with minimal wafer contamination and unity transfer yield. |
Xinghan Guo; Avery Linder; Mouzhe Xie; Anchita Addhya; Zixi Li; Ian Hammock; Nazar Delegan; Clayton DeVault; Amy Butcher; David Awschalom; Peter Maurer; Joseph Heremans; Alexander High; |
| 713 | Effect of Environmental Screening and Strain on Optoelectronic Properties of 2D Hexagonal Boron Nitride Quantum Defects Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we study the dielectric screening effect due to the number of layers and substrates, and the strain effect on the optical properties of carbon dimer and nitrogen vacancy defects in hBN from first-principles many-body perturbation theory. |
Shimin Zhang; Kejun LI; Chunhao Guo; Yuan Ping; |
| 714 | Decoherence Properties of Near-surface Nitrogen-vacancies in Diamond Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, near-surface NV- centers are known to decohere significantly faster compared to their bulk counterparts indicating that the diamond surface introduces additional sources of noise, not present in the bulk material. To unravel the influence of the diamond surface on the coherence properties of NV centers in diamond, we performed a computational study of the coherence times of these centers as a function of the diamond surface orientation, reconstruction, and functionalization. |
Jonah Nagura; Mykyta Onizhuk; Giulia Galli; |
| 715 | First-principles Study of Impurities on Diamond Surfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We focus on the hydrogen terminated diamond (100) surface and perform density functional theory calculations to study the electronic properties of impurities on diamond surfaces, including Cl, Si, N, and Na, which are common impurities that can be introduced during growth, processing, or surface treatment. |
Mengen Wang; Mark Turiansky; Chris Van de Walle; |
| 716 | Theoretical Investigation of Near Surface Spin Defects in 3C-SiC Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we use first-principles calculations based on DFT and the Quantum Espresso Code to characterize spin defects near the 3C-SiC (001) surface, as a function of the distance from the surface and we report results on the magneto-optical properties of the divacancy. |
Yizhi Zhu; Giulia Galli; |
| 717 | Magnetoelectric Multipoles and Spin Textures in Real-space and Reciprocal Space Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have proposed straightforward linear magnetoelectric response measurements as an alternative to Lorentz microscopy for characterizing insulating skyrmionic textures. |
Sayantika Bhowal; Stephen Collins; Nicola Spaldin; |
| 718 | Theory of Domain Structure in Electron-doped Ferroelectric Thin Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, I report on recent self-consistent solutions of coupled Landau-Ginzburg-Devonshire and Schrödinger equations for an electron-doped ferroelectric thin film. |
Bill Atkinson; |
| 719 | Modeling Local Distortions in Zn1-xMgxO Ferroelectrics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we study the mechanisms of polarization switching in recently proposed Zn 1−xMg xO (ZMO) ferroelectric materials. |
Steven Baksa; Ismaila Dabo; |
| 720 | Spin-polarized Flexoelectricity Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In magnetic materials, these charge moments can be spin-polarized – that is, the densities of spin up and down electrons can respond differently to atomic displacement. Based on this principle, we developed a method for calculating spin-polarized flexoelectric tensor components. |
John Cavin; James Rondinelli; |
| 721 | Understanding Dynamics of Heterogeneous Ferroelectric Oxides at The Nanoscale Using Graph Neural Networks on Reactive Force-Field Simulations Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we will present insights into the dynamics of polarization switching in defective BaTiO 3, obtained from combining large-scale atomistic reactive simulations with dynamical graph neural network approaches. |
Abhijeet Dhakane; Tian Xie; Bobby Sumpter; Dundar Yilmaz; Adri Van Duin; Panchapakesan Ganesh; |
| 722 | Dynamic Atomic Off-centering and Its Selective Coupling with Phonons in KTa(1-x)NbxO3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Finally solving this question requires simultaneously resolving atomic dynamics, local crystal distortions and complex correlated disorder. To address this challenge, we map the energy and momentum resolved dynamic structure factor S(Q, E) with neutron scattering and we perform DFT-accuracy machine-learning MD (MLMD) simulations, to rationalize the spatial and temporal correlations of atomic disorder and the coupling with phonons. |
Xing He; Olivier Delaire; Douglas Abernathy; Garrett Granroth; Feng Ye; Lynn Boatner; |
| 723 | Theory of Electro-Optic Response in Tetragonal BaTiO3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we report the first principles calculations of the EO or Pockels tensor in tetragonal BTO. |
Inhwan Kim; Alexander Demkov; |
| 724 | FerroX : A GPU-accelerated, 3D Phase-Field Simulation Framework for Modeling Ferroelectric Devices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we will present a performance-portable, 3D phase-field simulation framework, FerroX, for modeling and design of ferroelectric-based microelectronic devices. |
Prabhat Kumar; Andrew Nonaka; Revathi Jambunathan; Girish Pahwa; Sayeef Salahuddin; Zhi Yao; |
| 725 | Manipulation of Spin Orientation in Iron-doped Ferroelectric Oxides from First Principles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Within a ferroelectric, electric field-based polarization switching changes the local crystallographic environment of a magnetic dopant atom, which via a magnetoelastic interaction impacts its spin directionality. In this work, we explore this concept using the example of Aurivillius-phase oxide Bi 2WO 6 with a tungsten-site Fe 3+ dopant. |
Elizabeth Nowadnick; Katherine Inzani; Nabaraj Pokhrel; Nima Leclerc; Sriram Ramkumar; Zachary Clemens; Sinead Griffin; |
| 726 | Ferroelectric Switching Pathways, Domain Structure, and Domain Wall Vortex in SrBi2(Ta,Nb)2O9 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we use the group theoretic analysis and density functional theory calculations to enumerate and explore the energetics of ferroelectric switching paths in SrBi 2 B 2O 9 and identify several low-energy one- and two-step ferroelectric switching pathways. |
Nabaraj Pokhrel; Elizabeth Nowadnick; |
| 727 | Exploring Electrically Controlled Magnons for Post-Moore Microelectronics with Exascale Modeling Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To gain an in-depth understanding of the interaction between the physical mechanisms, we are exploring the validation, design and optimization of magnetoelectric spin-orbit logics. |
Zhi (Jackie) Yao; Prabhat Kumar; Andy Nonaka; Revathi Jambunathan; Xianzhe Chen; Xiaoxi Huang; Ramamoorthy Ramesh; |
| 728 | First-principles Theory of Phonon Magnetic Moment Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We found observable magnetic moments of chiral phonon modes in a gated two-dimensional material. |
Xiaowei Zhang; Chong Wang; Yafei Ren; Ting Cao; Di Xiao; |
| 729 | Local Symmetry Breaking in Different Phases of BaTiO3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, using DFT including in finite T Molecular Dynamics and minimizing the energy (E=U-TS) in supercells, we find the existence of LDC in all the phases of BaTiO 3 before & after temperature sets in. |
Xingang Zhao; Oleksandr Malyi; Sandra Skjærvø; Simon Billinge; Alex Zunger; |
| 730 | Characterizing Strain in Graphene on Cu(100) Substrate with Raman Spectroscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present a detailed Raman analysis of uniquely grown defect-free graphene on Cu(100) substrate via low-pressure CVD. |
Tehseen Adel; Jacob Amontree; Xingzhou Yan; Zizwe Chase; Renee Harton; Charlezetta Stokes; Thomas Searles; Katayun Barmak; James Hone; Angela Hight Walker; |
| 731 | Resonant Raman Signatures of Two-dimensional Layered Materials from First-principles Calculations Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present a Density Functional Theory based study of the resonant Raman spectra of various systems including graphene nanoribbons and transition metal dichalcogenides. |
Natalya Sheremetyeva; Michael Lamparski; Vincent Meunier; |
| 732 | Investigations of Graphene on SrTiO3 Single-Crystal Using Confocal Raman Spectroscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will present the characterizations of graphene layers placed on SrTiO 3 single-crystal substrates using temperature-dependent confocal Raman spectroscopy. |
Sujan Shrestha; Celesta Chang; Sangho Lee; Matteo Minola; Jeehwan Kim; Ambrose Seo; |
| 733 | Capturing Reaction Kinetics of Atomically Thin Device Materials By High-throughput In-operando SEM Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We developed cross-correlative operando probing capability to “unblind” the underlying mechanisms, including open and closed cell approaches for XPS, optical spectroscopy, and scanning and transmission electron microscopy. |
Ye Fan; Ryo Mizuta; Jinfeng Yang; Maryam Kazemzadeh-Atoufi; Peter Voorhees; Stephan Hofmann; |
| 734 | Acoustic Phonons of Chemically Tunable 2D Hexagonal Boron Nitride from Brillouin Spectroscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This work establishes unique chemical control of acoustic phonons in hBN. |
Kristie Koski; Bryan Reed; |
| 735 | Comparing The Magnetotransport and Raman Response of Various Intercalants in Epitaxial Graphene on 6H-SiC(0001) Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Typically, the intercalant is confined to the region between the buffer layer and the SiC surface, and is able to release the buffer layer from the SiC to form another layer of graphene. In this talk, we present results on the magnetotransport of hydrogen intercalated Gr/SiC at low temperatures (0.3 K – 50 K) and high magnetic fields (12 T), and compare these results to both as-grown and magnesium intercalated graphene. |
Jimmy Kotsakidis; Gregory Stephen; Rachael Myers-Ward; Matthew DeJarld; D. Kurt Gaskill; Aubrey Hanbicki; Adam Friedman; |
| 736 | Direct Observation of Motion of Interstitial Atoms at Van Der Waals Bonded Interfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This work highlights the importance of interfacial defects for diffusion properties of atoms at van der Waals interfaces. |
Joachim Dahl Thomsen; Yaxian Wang; Frances Ross; Prineha Narang; |
| 737 | Density Functional Theory Examination of Electronic and Optical Properties of Two-Dimensional Transition Metal Dichalcogenides Functionalized with Forever Chemicals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We use density functional theory (DFT) to evaluate substrate fitness via the electronic, and adsorptive properties of 2D TMDs functionalized with single Au atoms when laden with PFAS. |
Nathaniel Bunker; Manuel Smeu; |
| 738 | Spectroscopy and Molecular Dynamics Simulation of Graphene Nanoplatelets for Sensitive Gas Sensing Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Graphene Nanoplatelets (GnPs) hold promise of being effective gas sensors because of their high surface-to-volume ratio, lightweight and superior conductivity. Pristine and GnPs … |
Prabhakar Misra; Olasunbo Farinre; Reiley Dorrian; Hawazin Alghamdi; Albert Rigosi; |
| 739 | In Situ Raman Spectroscopy Provides Insights Into The Crystallization Kinetics of 2D Covalent Organic Frameworks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This technique can be extended to study the crystallization kinetics for other useful COF morphologies including thin films, mixed-matrix membranes, and nanoparticles. |
Richard Nile; |
| 740 | X-ray Absorption Spectra of First-row Transition Metal Metalloporphenes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Most are not easily patterned or tuned; however, Porphene, C 20N 4H 2 is easily polymerized from porphyrin [(C 20N 4H 2) 4] on aqueous surfaces and is convertible into M-porphene [(C 20N 4H 2M) 4] ,by insertion of M+ ions (M is a metal), making it a promising, highly tunable analog of graphene. We show the first electronic structure characterization studies of this family of 2D materials using polarization-dependent XAS. |
Hope Whitelock; Bryan Berggren; Jared Bozzone; Thomas Magnera; Josef Michl; Daniel Dessau; |
| 741 | Electronic Decoupling of Monolayer MoSe2 from Au(111) Substrate By Selenium Intercalation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: By using scanning tunneling microscopy/spectroscopy (STM/STS) and angle-resolved photoemission spectroscopy (ARPES), we investigated the electronic structures of MoSe 2 epitaxially grown on Au(111) with and without Se intercalation. |
Guan-Hao Chen; Li-Syuan Lu; Pei-Yu Chuang; Cheng-Rong Hsing; Yu-Shiuan Su; Juhn-Jong Lin; Cheng-Maw Cheng; Ching-Ming Wei; Chun-Liang Lin; Wen-Hao Chang; |
| 742 | Graphene Transfer Over An Array of Tip-well Structures on SiO2/Si Substrate for Harvesting Energy from Graphene Vibrations Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Gold is deposited over the tip-well-trench structure to make a two-contact device, where the trench-end forms the tip contact, and the top of the well forms the second contact. In this study we present the procedure for transferring graphene above the tip region in preparation for making a graphene variable capacitor for vibration energy harvesting. |
Ferdinand Harerimana; Paul Thibado; |
| 743 | Simple Chemical Rules for Predicting Band Structures of Kagome Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Starting from 3742 known compounds with the kagome lattice, we combine chemical heuristic, electric-structure calculations, and geometric considerations to create simple rules predicting if the low-energy physics of a compound will be dictated by the bonding within the kagome lattice. |
Milena Jovanovic; Leslie Schoop; |
| 744 | Discovery of A Two-Dimensional Weyl Semimetal Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we report the realization of a 2D Weyl semimetal in epitaxial bismuthene film. |
Qiangsheng Lu; Guang Bian; Jacob Cook; |
| 745 | Discovery of Strong Type-I Weyl Semimetal Features in An Antiferromagnetic Full-Heusler Compound Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report our discovery of a novel inversion-breaking Weyl semimetal in a full-Heusler compound with several features that are comparatively more intriguing than other inversion-breaking Weyl semimetals. |
Davide Grassano; Luca Binci; Nicola Marzari; |
| 746 | Multi-gap Euler Topology in Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will propose several materials exhibiting multi-gap topology, with examples in both the electronic and phonon sectors. |
Bartomeu Monserrat; Bo Peng; Siyu Chen; Adrien Bouhon; Robert-Jan Slager; |
| 747 | Topological Dirac Semimetal BaAuSb Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In my talk I will show that ternary intermetallic BaAuSb crystal hosts both trivial and non-trivial topological Dirac states in the bulk. |
Zhixiang Hu; |
| 748 | Tailoring Dirac States in A Correlated System By Chemical Substitution Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our present approach can be applied to a wide class of materials described by the d−p effective Hamiltonian. |
Niloufar Nilforoushan; Michele Casula; Adriano Amaricci; Marco Caputo; Evangelos Papalazarou; Luca Perfetti; Ivana Vobornik; Pranab Das Kumar; Jun Fujii; David Santos-Cottin; Yannick Klein; Michele Fabrizio; Andrea Gauzzi; Marino Marsi; |
| 749 | Crystal Growth of Emerging Chiral Materials Ag3AuSe2 and (Nb4Se15I2)I2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will present characterization of two chiral semiconductors. |
Daniel Shoemaker; |
| 750 | BiAs As A Weyl Semimetal Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we explore BiAs as a novel topological material. |
Muhammad Zubair; Shoaib Khalid; Anderson Janotti; |
| 751 | Double Superconductivity in Topological Nodal-line Semimetal NaAlSi Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: In topological materials, peculiar surface states protected by crystal symmetries have attracted great interest because of unprecedented correlation with superconductivity. A … |
Shinya Uji; Takako Konoike; Yuya Hattori; Taichi Terashima; Tamio Oguchi; Takahiro Yamada; Daigorou Hirai; Toshiya Ikenobe; Zenji Hiroi; |
| 752 | ARPES Study of F-electron Weyl Semimetal CeCoGe3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: It has predicted Weyl points and nodal lines whose positions and presence depends strongly on electronic correlations. I will present the first angle resolved photoemission spectroscopy (ARPES) measurements on CeCoGe3 which highlight the topological features of this compound, heavy fermion physics, and the interplay of these two. |
Robert Prater; Matthew Staab; Sudheer Anand Sreedhar; Vsevolod Ivanov; Zihao Shen; Valentin Taufour; Sergey Savrasov; Inna Vishik; |
| 753 | An Investigation of Magnetic Alloys of PtTe2 and PdTe2 Using Angle Resolved Photoemission Spectroscopy (ARPES) Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present an investigation into the valence band structure of 2 families of transition metal dichalcogenides, Cr xPt 1-xTe 2 and Cr xPd 1-xTe 2 grown by the Goldberger group at Ohio State University, using Angle Resolved Photoemission Spectroscopy (ARPES). |
Derek Bergner; Ivan Pelayo; Warren Huey; Archibald Williams; Ziling Deng; Luca Moreschini; Jonathan Denlinger; Alessandra Lanzara; Wolfgang Windl; Joshua Goldberger; Claudia Ojeda-Aristizabal; |
| 754 | Coexistence of Massless and Massive Dirac Fermion in Surface Doped Black Phosphorus Near Insulator-semimetal Phase Transition Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we proposed a new candidate – surface doped black phosphorus that preserves space-time inversion symmetry, which guarantees the stability of the Dirac point, leading to an insulator-semimetal phase transition without gapping. |
Wei Jie Chan; Yee Sin Ang; Lay Kee Ang; |
| 755 | Ab Initio Magnetic Structure Prediction for Topological Magnets Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The approach based on cluster multipole moments was originally introduced to characterize the non-collinear magnetic structures in topological antiferromagnets such as Mn3Sn and Mn3Ge [2,3]. |
Ryotaro Arita; |
| 756 | Single Skyrmion True Random Number Generator Using Local Dynamics and Interaction Between Skyrmions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we show that the local dynamics of skyrmions, in contrast to the global dynamics of a skyrmion, can be introduced to provide effective functionalities for versatile computing. |
Gang Xiao; Kang Wang; Yiou Zhang; Vineetha Bheemarasetty; Shiyu Zhou; See-Chen Ying; |
| 757 | Manipulation of The Topological Hall Effect with Electric Field in Top-Gated (Bi,Sb)2Te3 on EuIG Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we report a giant THE signal exceeding 3.1 µΩ·cm coexisted with AHE (3.9 µΩ·cm) at 2 K in a 4 nm TI (Bi,Sb) 2Te 3 (BST) heterostructure with a ferrimagnetic insulator europium iron garnet. |
Jyun-Fong Wong; Ko-Hsuan Chen; Jui-Min Chia; Zih-Ping Huang; Sheng-Xin Wang; Pei-Tze Chen; Lawrence Boyu Young; Yen-Hsun Glen Lin; Shang-Fan Lee; Chung-Yu Mou; Minghwei Hong; Jueinai Kwo; |
| 758 | Topological Spin Textures Stabilised By Weyl Fermions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our analysis aims at drawing a direct connection between the topology of the electronic band structure and the topology of the spin structures in real space. |
Juba Bouaziz; Gustav Bihlmayer; Julie Staunton; Stefan Blügel; |
| 759 | Dynamical Switching of Magentic Topology in Microwave-driven Itinerant Magnet Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we theoretically demonstrate that the magnetic topology of SkX in Kondo-lattice magnets can be switched among Nsk=2, 1, and 0 by irradiating with circularly polarized microwave field via intensely exciting a resonance mode [1]. |
Rintaro Eto; Masahito Mochizuki; |
| 760 | Fabrication and Magnetism of Thin Film Copper Selenate Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present our method of thin film fabrication and our progress in enhancing thin film quality and controlling film growth. |
David King; Jinke Tang; John Ackerman; |
| 761 | Magnetic Skyrmion Resonance with Density Control Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk we present measurements of magnetic resonance in ferromagnetic multilayers with interfacial Dzyaloshinskii-Moriya interaction. |
Maciej Olszewski; Audre Lai; Xiyue Zhang; David Muller; Gregory Fuchs; Daniel Ralph; |
| 762 | Evidence of Non-coplanar Spin Textures in Weyl Semi-metal Candidate Β Iron Germanide Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report here the examination of the magnetic and electronic behavior of the under studied Fe1.7Ge, otherwise known as β iron germanide. |
Brian Casas; Moises Bravo; Julia Chan; Luis Balicas; |
| 763 | Large Anomalous Nernst Effect in Canted Antiferromagnet YbMnBi2 Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: A large anomalous Nernst effect (ANE) is crucial for thermoelectric energy conversion applications because the associated unique transverse geometry facilitates module … |
Yu Pan; Congcong Le; Bin He; Sarah Watzman; Mengyu Yao; Johannes Gooth; Joseph P Heremans; Yan Sun; Claudia Felser; |
| 764 | Theory of Surface Orbital Magnetization Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we consider a three-dimensional antiferromagnetic material having a vanishing bulk but a nonzero surface orbital magnetization. |
Daniel Seleznev; David Vanderbilt; |
| 765 | Higher-Order Nonlinear Anomalous Hall Effects Induced By Berry Curvature Multipoles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we demonstrate that Berry curvature multipoles (the higher moments of Berry curvatures at the Fermi energy) can induce higher-order nonlinear anomalous Hall (NLAH) effect. |
Cheng-Ping Zhang; Xuejian Gao; Yingming Xie; Hoi Chun Po; Kam Tuen Law; |
| 766 | Quantum Mechanical Characteristic of Magnetic Charges in Artificial Magnetic Honeycomb Lattice Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our detailed neutron-centric research works have revealed massively degenerate dynamic ground state of magnetic charges in permalloy (Ni 0.81Fe 0.19) honeycomb that remain unperturbed to magnetic field application. |
Deepak Singh; |
| 767 | Linking Magnetic Memory and Computational Capacity in Artificial Spin Ice Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In previous studies, ASI has been shown to exhibit return point memory (RPM) after several ‘training’ field loops [3]. We explore, using dipolar simulations, the temporal harmonics and subharmonics that emerge from these field loops as we vary the interaction strength of the system and the quenched disorder. |
Alex Vanstone; Jack Gartside; Kilian Stenning; Will Branford; |
| 768 | Field and Temperature Tuning of Magnetic Diode in Permalloy Honeycomb Lattice Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report the observation of magnetic diode behavior with an ultra-low forward voltage of 5 mV. |
George Yumnam; Moudip Nandi; Pousali Ghosh; Amjed Abdullah; mahmoud almasri; Eric Henriksen; Deepak Singh; |
| 769 | Enhanced Magnetoresistance in Nanostructures with A Single Ferromagnet Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In contrast, we reveal that the interplay between the proximity-induced magnetization and Rashba spin-orbit coupling (SOC) in a two-dimensional electron gas (2DEG), or in a conventional superconductor, can lead to a large magnetoresistance even with one ferromagnet [1-4]. |
Chenghao Shen; Jong Han; Thomas Vezin; Alex Matos-Abiague; Ranran Cai; Wei Han; Igor Zutic; |
| 770 | Quantum Mechanical Nature of Magnetic Charge Dynamics in Artificial Honeycomb Ice Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Magnetic charges, arising due to the non-vanishing magnetic fluxes on Kagome vertices, are at the core of emergent novel phenomena in artificial magnetic honeycomb lattices. We … |
Jiasen Guo; Pousali Ghosh; Daniel Hill; George Yumnam; Yiyao Chen; Laura-Roxana Stingaciu; Piotr Zolnierczuk; Carsten Ullrich; Deepak Singh; |
| 771 | Antiferromagnetic Real-space Configuration Probed By X-ray Orbital Angular Momentum Phase Dichroism Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we show how OAM beams are created through resonant diffraction from an artificial antiferromagnet with a topological defect. |
Margaret McCarter; Ahmad Us Saleheen; ARNAB SINGH; Ryan Tumbleson; Justin Woods; Anton Tremsin; Andreas Scholl; Lance De Long; Jeffrey Hastings; Sophie Morley; Sujoy Roy; |
| 772 | The Nature of Super Exchange Interactions in Transition Metal-doped Ε-Fe2O3 Nanoparticles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: ε-Fe 2O 3 has attracted significant interest recently for its unique properties, including a huge coercivity at room temperature, millimeter wave ferromagnetic resonance and magnetoelectric coupling. This research examines transition metal-doped ε-Fe 2O 3 (M=Cr, Mn, Co, Ni, Cu, Zn) nanoparticles to identify the electronic configurations of the different ion sites and how they impact the overall properties. |
Rachel Nickel; Michael Shepit; Chengjun Sun; Debora Motta Meira; Richard Rosenberg; Johan Van Lierop; |
| 773 | Imaging Voltage Controlled Antiferromagnetic Domains’ Switching in B Doped Cr2O3 Epitaxial Films Using Nitrogen-vacancy Scanning Microscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study we use nitrogen vacancy (NV) scanning microscopy [3, 4] to image the surface/boundary magnetization in 200-nm thick B-Cr 2O 3 films grown by pulsed laser deposition on Al 2O 3 substrates. |
Abdelghani Laraoui; Adam Erickson; Ather Mahmood; Syed Qamar Abbas Shah; Ilja Fescenko; Rupak Timalsina; Christian Binek; |
| 774 | Control of Exchange Bias Using Spin-orbit Torque Through An Antiferromagnetic Insulator Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a device concept in which the spin configuration of an AFM insulator (FeF 2) can be modified taking advantage of the spin-orbit-coupling existing in heavy metals (HM), such as W or Pt. |
IVAN SCHULLER; Pavel Salev; ALI BASARAN; Fernando Ajejas; |
| 775 | Large Exchange-bias in Magneto-ionic Mn4N/Mn3N2 Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have achieved high quality all-nitride Mn 4N/Mn 3N 2 thin film heterostructures via sputtering onto Si substrates. |
Zhijie Chen; Christopher Jensen; Chen Liu; YIJING LIU; Paola Barbara; Xixiang Zhang; Kai Liu; |
| 776 | Machine Learning Based Electronic Structure Prediction: From Nanostructures to Complex Alloys Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will describe our work on using specialized first principles calculations with machine learning tools to enable prediction of the electronic structure of various nanomaterials and bulk systems. |
Amartya Banerjee; |
| 777 | Novel High-mobility Candidates from The Materials Cloud 2D Database Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we focus on phonon-limited charge transport in gated 2D semiconductors to identify high mobility candidates. |
Norma Rivano; Thibault Sohier; Giovanni Pizzi; Nicola Marzari; |
| 778 | A Novel First Principles Framework for The Study of Chiral Matter Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: If strategically engineered, these structures’ unique properties could impact the design of novel quantum, electromagnetic and photonic devices. In this talk, I will describe a self-consistent first principles simulation framework for the discovery and characterization of such materials. |
Shivang Agarwal; Amartya Banerjee; |
| 779 | Trends in MXene Structure Due to Elemental Composition: A DFT Study Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a DFT analysis of 90 MXenes, including 9 transition metals and 9 termination groups, the majority of which have not been previously studied. |
Emily Sutherland; N. Aaron Deskins; |
| 780 | Mapping 2D Sliding Mechanisms of Bilayer and Bulk Ni-doped MoS2 from First Principles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We analyze the sliding PES in terms of bonding changes, symmetry breaking, relation between bilayer and bulk interactions, and the effects of load. |
Elsa Vazquez; Enrique Guerrero; David Strubbe; |
| 781 | Computational Dissection of 2-dimensional Tetrahexagonal InN Alloys: Anisotropic Mechanical, Electronic, and Charge Carrier Transport Properties for Photocatalytic Water Splitting Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Apart from the conventional crystals with well-known symmetries, recent studies showed that materials that have exotic decorations could possess superior features. In this respect, we report novel 2D tetrahexagonal ( th-) InN crystal and its ordered alloys that can be utilized as effective catalysts for water splitting reactions. |
Engin Durgun; Dogukan Ozbey; Mehmet Kilic; |
| 782 | Machine Learning of Borophene-boride Hetero-structures for Borophene Synthesis Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Borophene, two-dimensional (2D) boron, exhibits versatile properties which may lead to a variety of applications, such as CO 2 reduction, hydrogen and oxygen evolution reactions, … |
Luqing Wang; Qunfei Zhou; Qiucheng Li; Joshua Paul; Mark Hersam; Pierre Darancet; Maria Chan; |
| 783 | Expanding Two-dimensional Databases By Combining Exhaustive Search and Machine Learning Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report an exhaustive search of 2d structures for binary and ternary compositions. |
Aldo Romero; Ludger Witz; Hai-Chen Wang; Jonathan Schmidt; Miguel Marques; |
| 784 | Leveraging Deep Neural Networks and Density Functional Theory to Guide Two-dimensional Material Synthesis Using Chemical Vapor Deposition Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, we will discuss the TD-DFT and Neural Network computational techniques used, the preliminary results of Chemical Vapor Deposition (CVD) synthesis of 2D materials, and the plans for future work–to include source sharing and further optimizations to the technique. |
John Ferrier; |
| 785 | Janus Ge2PX (X: N, As, Sb, Bi) Monolayers: First-principles Investigation of Electronic and Thermomelectric Properties Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our study suggests that ternary Ge2PAs and Ge2PSb can be promising n-type thermoelectric candidates at high temperatures. |
Engin Durgun; Dogukan Ozbey; Gozde Ozbal-Sargin; Mirali Jahangirzadeh; Haldun Sevincli; |
| 786 | Exploring MAX and MAB Phases Using First-principles Methods Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we present a comparative study of the paramagnetic phases of Cr 2AlC and Cr 2AlB 2 with their derived MXene and MBene structures using, Density functional theory, Dynamical Mean Field Theory, and Wannier function analysis. |
Paromita Dutta; Deniz Cakir; Turan Birol; |
| 787 | Elastic Properties in Monolayer Covalent-Organic Frameworks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, these materials have defects and grain boundaries which make it challenging to describe properties of realistic materials computationally. To approach this issue, we show in this work how to use a surrogate model to calculate elastic properties of 2D COFs based on density functional based tight binding (DFTB) calculations. |
David Bodesheim; Alexander Croy; Arezoo Dianat; Gianaurelio Cuniberti; Antonios Raptakis; |
| 788 | Elemental Amorphous Carbon Versus Binary Amorphous Boron Nitride Monolayers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we address the question of the structure of single-atom-thick amorphous monolayers by kinetic Monte Carlo simulations that emulate chemical-vapor deposition (CVD) growth on a substrate. |
Yu-Yang Zhang; Yu-Tian Zhang; Yun-Peng Wang; Shixuan Du; Sokrates Pantelides; |
| 789 | Quantum Spectroscopies for Quantum Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, I will review our recent results in archetypal strongly correlated cuprate superconductors and demonstrate the feasibility of a light-based control of quantum phases in real materials [2,3,4]. |
Daniele Fausti; |
| 790 | ULTRAFAST MID-INFRARED PUMP-OPTICAL PROBE SPECTROSCOPY OF INSLULATING La2CuO4 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This talk seeks to motivate the possible mechanisms that enable and resolve a below gap CLAP excitation. |
Mustafa Ali; Kelson Kaj; Varun Ramaprasad; Eli Zohglin; Steven Gomez; Stephen Wilson; Richard Averitt; |
| 791 | Multidimensional Phononics in YBa2Cu3O6+x Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we make use of multidimensional nonlinear spectroscopy in the mid-infrared spectral range to isolate the nonlinear phonon-plasmon coupling mechanism. |
Niloofar Taherian; |
| 792 | Light Induced Symmetry Change in Cr2O3 By Time Resolved Second Harmonic Generation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we study anti-ferromagnetic Cr2O3, which is known as a typical magnetoelectric, with time resolved second harmonic generation (SHG). |
Xinshu Zhang; |
| 793 | Electron-hole Liquid in Direct Bandgap Semiconductor at Room Temperature Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present our results of the first observation of EHL in the direct bandgap metal halide perovskite nanocrystals at ambient temperature. |
Ajay Poonia; Pushpendra Yadav; Barnali Mondal; Angshuman Nag Nag; Amit Agarwal; Adarsh K V; |
| 794 | Photoinduced Chemical Potential Shift in Topological Material Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using time and angle resolved photoemission spectroscopy, we report the observation of a shift in the chemical potential of NaCd 4As 3, a mirror symmetry protected TCI. |
Tika R Kafle; Yingchao Zhang; Xun Shi; Wenjing You; Na Li; Qing-Xing Dong; Gen-Fu Chen; Kai Rossnagel; Henry Kapteyn; Margaret Murnane; |
| 795 | Spin-orbit Mixed States in An Electromagnetic Field Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show that spin-orbit mixing enables electronic transitions that are sensitive to circularly polarized light, giving rise to a gyrotropic response. |
Gervasi Herranz; Alejandro Miñarro; Ernest Pastor; Jayagreav Kannan; Allan Johnson; Blai Casals; |
| 796 | Witnessing Light-Driven Entanglement Using Time-Resolved Resonant Inelastic X-Ray Scattering Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we propose a systematic approach to quantify the time-dependent entanglement of transient states of quantum materials through time-resolved resonant inelastic x-ray scattering(trRIXS). |
Jordyn Hales; |
| 797 | Critical Light-matter Entanglement at Cavity Mediated Phase Transition Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We consider a model of a light-matter system, in which a system of fermions (or bosons) is coupled to a photonic mode that drives a phase transitions in the matter degrees of freedom. |
Giuliano Chiriaco; Marcello Dalmonte; Titas Chanda; |
| 798 | Controlling The Magnetic State of The Proximate Quantum Spin Liquid Α-RuCl3 with An Optical Cavity Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we extend material engineering via cavity quantum electrodynamics fluctuations to magnetic systems, by demonstrating that a Fabry-Pérot cavity can be used to control the magnetic state of the proximate spin liquid α-RuCl 3. |
Emil Vinas Boström; Angel Rubio; |
| 799 | Cavity-renormalized Quantum Criticality in A Honeycomb Bilayer Antiferromagnet Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate the fate of a quantum critical dimerized antiferromagnet when it is coupled to a quantized high-frequency cavity field. |
Lukas Weber; Emil Vi; Martin Claassen; Angel Rubio; Dante Kennes; |
| 800 | Strong Light-matter Coupling for Band Electrons Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Hybridizing light and matter degrees of freedom by means of cavities can be used to control quantum materials. In the case of band electrons, we show that quantum fluctuations play a pivotal role for such light-matter hybridization. |
Christian Eckhardt; Giacomo Passetti; Marios Michael; Michael Sentef; Dante Kennes; |
| 801 | Quantum and Nonlinear Photonics in Silicon Carbide Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Silicon carbide as a host material uniquely combines CMOS compatible photonics with high-quality optically interfaced spin qubits and strong optical nonlinearities. In this talk, I will describe two directions which leverage these properties: (i) multi-emitter cavity quantum electrodynamics; and (ii) study of the quantum physics of soliton microcombs. |
Melissa Guidry; |
| 802 | Scalable Integration of Silicon Nanophotonic Devices on Silicon Carbide Substrates Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present a scalable, on-chip approach toward CMOS-compatible silicon-on-silicon carbide hybrid platforms via direct wafer bonding. |
Clayton DeVault; Abram Falk; F. Joseph Heremans; Alan Dibos; David Awschalom; Alexander High; |
| 803 | Low- to Room-Temperature Studies of Silicon Nitride Single Photon Emitters Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The exact atomic structure and energy levels of these emitters is yet to be fully understood. In this work, we study optical transition wavelengths, linewidths, and single-photon properties of these emitters as a function of temperature from 4K to 300K. |
Zachariah Martin; Alexander Senichev; Samuel Peana; Benjamin Lawrie; Alexei Lagutchev; Alexandra Boltasseva; Vladimir Shalaev; |
| 804 | Large-Scale Integration of Silicon Nitride Single Photon Emitters with Nanophotonic Elements Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This process consists of rapid thermal annealing SiN/SiO 2 nanopillars. In this presentation, we report on our progress in merging this novel large-scale site-controlled process with conventional photonic fabrication processes. |
Samuel Peana; Omer Yesilyurt; Zachariah Martin; Alexander Senichev; Vahagn Mkhitaryan; Alexei Lagutchev; Alexander Kildishev; Alexandra Boltasseva; Vladimir Shalaev; |
| 805 | Contactless Excitation of Acoustic Resonance in Insulating Wafers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This method is suitable for any sample with a metallic surface or covered with a thin metal film. |
Gan Zhai; |
| 806 | Multi-scale Modeling of Entangled Photon Generation with Metal-organic Framework Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our work provides the methodological grounds for developing large-scale screening tools for the discovery of MOF materials for optical quantum technology. |
Felipe Herrera; Rubén Fritz; Simon Paiva; |
| 807 | Multichannel Distribution and Transformation of Polarization-entangled Photons with Dielectric Metasurfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work [1], we report on the transformation and distribution of polarization-entangled photon pairs with multichannel dielectric metasurfaces. |
Ruwen Peng; Ya-Jun Gao; Zheng Wang; Yue Jiang; Mu Wang; |
| 808 | Inducing Chirality in Single Photon Quantum Emitter Photoluminescence Via The Chiral Induced Spin Selectivity Effect Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We observe both the inducement a significant degree of circular polarized PL emission and a magnetization-dependent PL quenching by using a ferromagnet valve in the chiral substrate. |
Suryakant Mishra; Eric Bowes; Tai Trinh; Jennifer Hollingsworth; Han Htoon; Andrew Jones; |
| 809 | Polarization-based Quantum Logic Gates Using Anisotropic Excitonic Media Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Rhenium disulfide (ReS 2), a material belonging to this family, exhibits two kinds of bright in-plane excitons with linearly polarized transition dipole moments nearly orthogonal to each other, as evidenced from their polarized photoluminescence emission [1]. In this work, we discuss the potential of using such a pair of anisotropic exciton species and the inherent polarization mixing found in biaxial crystals to realize quantum logic gates for photon polarization-based qubits. |
Devarshi Chakrabarty; Avijit Dhara; Pritam Das; Shreya Paul; Sajal Dhara; |
| 810 | Programmable Quantum Simulation in Carbon Nanotube Exciton-Polariton at Room Temperature Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we introduce single-walled carbon nanotubes (SWCNTs) as SWCNTs are known to have high binding energy with selective energy bandgaps depending on the chirality. |
HeeBong Yang; Ahmet Gulsaran; Na Young Kim; |
| 811 | Nanoscale THz Spectroscopy of Electrically Gated Graphene Nanoribbons Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have developed a novel optical spectrometer capable of probing the nonlinear optical response of nanoparticles with dimensions ~10 nm or less, over a wide range of frequencies in THz and near-infrared [1]. |
Melanie Dieterlen; Erin Sheridan; Pubudu Wijesinghe; Ki-Tae Eom; Chang-Beom Eom; Jeremy Levy; |
| 812 | Quantum Paraelectric Electro-optics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I motivate that materials near phase transitions are exciting platforms that display a high dielectric constant linked to an enhanced electro-optic tunability. |
Christopher Anderson; Daniil Lukin; Erik Szakiel; Joshua Yang; Alex White; Giovanni Scuri; Melissa Guidry; Kasper Van Gasse; Wentao Jiang; Amir Safavi-Naeini; Jelena Vuckovic; |
| 813 | Coherent Spin-Lattice Coupling in Van Der Waals Magnetic Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our work highlights the strong interplay between the lattice and spin structure in layered magnetic materials, providing crucial insight for the realization of the next generation of high-speed nanoscale magneto-optic technologies. |
Prashant Padmanabhan; Finn Buessen; Roxanne Tutchton; Kevin Kwock; Samuel Gilinsky; Min-Cheol Lee; Luis Martinez; Michael McGuire; Srinivasa Rao SINGAMANENI; Dmitry Yarotski; Arun Paramekanti; Jian-Xin Zhu; Rohit Prasankumar; |
| 814 | A Quantum Ruler for Topology and Quantum Geometry in Moiré Superlattices: Part 1/3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: A material’s response to magnetic fields provides a wealth of information about its properties, from the shape of its Fermi surface to detailed information about the topological properties of its electronic structure. Moiré materials offer a particularly interesting case study in this response, owing to their large lattice constant. |
Paul Haney; Marlou Slot; Yulia Maximenko; Sungmin Kim; Daniel Walkup; En-Min Shih; Dilek Yildiz; Kenji Watanabe; Takashi Taniguchi; Yafis Barlas; Nikolai Zhitenev; Fereshte Ghahari; Joseph Stroscio; |
| 815 | A Quantum Ruler for Topology and Quantum Geometry in Moiré Superlattices: Part 2/3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using a local probe, we employ magnetic oscillations as a “ruler” for quantum geometry in small-angle twisted double bilayer graphene (TDBG). |
Yulia Maximenko; Marlou Slot; Paul Haney; Sungmin Kim; Daniel Walkup; En-Min Shih; Dilek Yildiz; Kenji Watanabe; Takashi Taniguchi; Yafis Barlas; Nikolai Zhitenev; Fereshte Ghahari Kermani; Joseph Stroscio; |
| 816 | A Quantum Ruler for Topology and Quantum Geometry in Moiré Superlattices: Part 3/3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using a local probe, we employ magnetic oscillations as a “ruler” for quantum geometry in small-angle twisted double bilayer graphene (TDBG). |
Marlou Slot; Yulia Maximenko; Paul Haney; Sungmin Kim; Daniel Walkup; En-Min Shih; Dilek Yildiz; Kenji Watanabe; Takashi Taniguchi; Yafis Barlas; Nikolai Zhitenev; Fereshte Ghahari Kermani; Joseph Stroscio; |
| 817 | Electron-phonon Coupling in Twisted Bilayer Transition Metal Dichalcogenides Using A Hybrid Classical/quantum Mechanical Approach Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Computing the electronic and vibrational properties of twisted bilayer TMDs from first-principles is challenging, due to their large superlattice sizes at small twist angles, coupled with the unfavourable system-size scaling of conventional first-principles methods. In this work, we present a hybrid classical/quantum mechanical approach that overcomes these limitations: for the electronic structure we use accurate and efficient first-principles tight-binding (TB) models [2]; and for vibrational properties, we use classical interatomic potentials that have been fitted to density-functional theory calculations. |
Kemal Atalar; Shinjan Mandal; Manish Jain; Johannes Lischner; Arash Mostofi; |
| 818 | Corrugation-induced Electronic Effects in Twisted Bilayer Graphene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we show that a large amplitude corrugation, or out-of-plane deformation mode, is thermodynamically stable in low twist angle tBLG due to the competition between in-plane elastic stiffness and out-of-plane bending stiffness. |
Tawfiqur Rakib; Pascal Pochet; Elif Ertekin; Harley Johnson; |
| 819 | Twist Angle Engineering of Proximity Exchange in Graphene/Cr2Ge2Te6 Bilayers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk we present the twist-angle and gate dependence of the proximity exchange coupling in graphene/Cr$_2$Ge$_2$Te$_6$ bilayers from first principles. |
Jaroslav Fabian; Klaus Zollner; |
| 820 | Direct Observation of Γ Moiré Bands in Twisted Bilayer WSe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We resolve multiple moire´ mini-bands with strongly reduced dispersion and significant mini-gaps. |
Gianmarco Gatti; Louk Rademaker; Anna Tamai; Tobias de Jong; Felix Baumberger; |
| 821 | One-dimensional Moiré Physics and Chemistry in Heterostrained Bilayer Graphene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, using classical potentials and first-principles calculations, we propose heterostrained bilayer graphene as a novel platform to access twist-angle-free moiré physics. |
Gabriel Schleder; Michele Pizzochero; Efthimios Kaxiras; |
| 822 | Engineering Topology in Massive Dirac Fermions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a novel method to engineer Chern number $mathcal C=2$ for the valence band and show that the applied potential must have a scalar together with a non-scalar periodic part. |
Nishchay Suri; Chong Wang; Benjamin Hunt; Di Xiao; |
| 823 | Correlated Insulating States in A Multi-layer TMD Heterostructure with Two Moiré Interfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we study angle-aligned monolayer WS 2/multilayer WSe 2/monolayer WS 2 heterostructure in a dual gate geometry and employ microwave impedance microscopy to probe the formation of insulating states. |
Qiran Wu; Dongxue Chen; Yuze Meng; Zhen Lian; Xiong Huang; Thinh Truong; Lei Ma; Li Yan; Xinyue Chen; Takashi Taniguchi; Kenji Watanabe; Yongtao Cui; Sufei Shi; |
| 824 | Engineering Magnetism in A 2D Magnet from First Principles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: As a prototypical 2D vdW magnetic semiconductor, layered CrSBr is ferromagnetic within each layer, and antiferromagnetically coupled between neighboring layers. In this talk, we demonstrate using first-principles calculations that a variety of tuning knobs, such as external magnetic field, strain, pressure, doping, and stacking configurations, can act as control knobs to engineer electronic and excitonic properties by changing the underlying magnetism in this material. |
Kaichen Xie; Xiaowei Zhang; Di Xiao; Ting Cao; |
| 825 | Kekule Moiré Heterostructure Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: With the growing interest in moiré heterostructures, we propose a new moiré system consisting of transition metal dichalcogenide (TMD) layering with vdW magnets where the lattice constants of the two are differed by much. |
Yusen Ye; Chong Wang; Xiaowei Zhang; Jimin Qian; Di Xiao; Ting Cao; |
| 826 | Ferroelectric Spintronics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose a new logic device based on this effect, the FESO (for Fe |
Jean-Phillippe Attane; Aurélie Kandazoglou; Cécile Grezes; Paolo Sgarro; Maxen Cosset-Cheneau; Salvatore Teresi; Paul Noël; Sara Varotto; Théo Frottier; Alain Marty; Kevin Garello; Lorena Anghel; Guillaume Prenat; Manuel Bibes; Laurent Vila; |
| 827 | Quantum Theory of Orbital Magnetic Quadrupole Moment with The Chern-Simons Term Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, by considering a response to the spatial modulation of magnetic fields including a monopole field, we derive a modified formula for the magnetic quadrupole moment, whose derivative correctly reproduces the orbital magnetoelectric effect. |
Nobuhiro Arai; Yang Gao; Di Xiao; Shuichi Murakami; |
| 828 | Seeing Dark Matter in Multiferroics with Infrared and Raman Haloscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Several multiferroic materials have axion-like modes that resonate with terahertz frequency electromagnetic waves. Axions from the local dark matter halo of the galaxy allows such … |
Noah Bray-Ali; |
| 829 | Collective Spin Modes in Magnetized Spin-orbit Coupled 3D Polar Metals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study collective spin modes emerging in spin-orbit coupled 3D polar metals due to electron-electron and electron-phonon interactions in the presence of Zeeman field. |
Abhishek Kumar; Premala Chandra; Pavel Volkov; |
| 830 | Multifunctional BaTiO3-BiFeO3 Structures for Coherent Control of Phononic States Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This talk will present new observations on BaTiO 3-BiFeO 3 films and nanorod arrays, which are materials systems with promise for a wide range of applications including phononics. |
Brenden Magill; Nicholas Smith; Min Gyu Kang; Jade Holleman; Stephen McGill; Yannick Pleimling; Rathsara Herath Mudiyanselage; Christopher Stanton; Shashank Priya; Giti Khodaparast; |
| 831 | First-principles Investigation of The Ferroelectric Transition Metal Oxytetrahalides with Atomically-thin Domain Wall Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We find that most of the MOX 4 systems exhibit sizable polarization and large piezoelectric coefficients comparable to conventional ferroelectrics. |
Se Young Park; KARUNA PILLALA; |
| 832 | Polarization Caloritronics and “ferron” Excitations in Ferroelectrics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Based on the ferron spectrum, we predict temperature dependent pyroelectric and electrocaloric properties, electric-field-tunable heat and polarization transport, and ferron-photon hybridization. |
Ping Tang; Ryo Iguchi; Ken-ichi Uchida; Gerrit E Bauer; |
| 833 | Atomic and Electronic Structure Related to Polarization Domains in Hexagonal ABO3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We are examining the atomic-level structure utilizing electron and photon probes to determine how local structure and surface potential variations are connected to the observed polarization. |
Sizhan Liu; Jerzy Sadowski; Xiaochen Fang; Kai Du; Sang-Wook Cheong; Trevor Tyson; |
| 834 | Tautomeric Transition in A Co Complex Creates A Spin Crossover and Magnetoelectric Coupling Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We perform measurements in DC and pulsed fields to 60 T and as a function of temperature. |
James Wampler; Ping Wang; Michael Shatruk; Minseong Lee; Vivien Zapf; |
| 835 | Nonlinear Optical Imaging of Domains and Domains of A Chiral Polar Magnetic System Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, we will report our recent studies on Ni 3TeO 6 using scanning second harmonic generation (SHG) microscopy and rotation anisotropy (RA) SHG. |
Weizhe Zhang; Xiaoyu Guo; Youngjun Ahn; Junjie Yang; Sang-Wook Cheong; Liuyan Zhao; |
| 836 | Interaction of Light with Density Waves and Other Superlattices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will present data demonstrating that chemical changes can also be instigated photo-thermally in the form of chemical intercalation in 1T-TaS2. |
Anshul Kogar; |
| 837 | An Operando Spectroscopic Imaging Ellipsometry Study of HfS2 Oxidation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we investigate the oxidation of few-layer HfS2 by spectroscopic imaging ellipsometry (SIE) – a fast, non-destructive, large-area characterisation tool for mapping and analysis of multi-layer heterostructures. |
Irina Chirca; AbdulAziz AlMutairi; Stephan Hofmann; |
| 838 | Frequency-dependent Faraday and Kerr Rotation in Anisotropic Nonsymmorphic Dirac Semimetals in A Magnetic Field Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We calculate the frequency-dependent longitudinal and Hall conductivities and the Faraday and Kerr rotation angles for a single sheet of anisotropic Dirac semimetal protected by nonsymmorphic symmetry in the presence of a magnetic field induces a gap in the band structure. |
Amarnath Chakraborty; Giovanni Vignale; Guang Bian; |
| 839 | Angle-dependent Identification of Twisted Bilayer Graphene Using Multi-spectral Ellipsometric Contrast Microscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we extend the technique to multi-spectral ECM (MS-ECM) demonstrated on chemical vapour deposited graphene on Si/SiO2. |
Teja Potocnik; Oliver Burton; Stephan Hofmann; Jack Alexander-Webber; |
| 840 | In Situ Nano-optical and Tunneling Characterization of Quantum Phases in TMDs Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation we will demonstrate the use of a newly built low-temperature scanning tunneling microscope integrated with a nano-optical probe allowing for co-localized near-field light delivery with high intensity, with scanning tunneling current measurements. |
Thomas Darlington; Xuehao Wu; Madisen Holbrook; Emanuil Yanev; Dmitri Basov; James Hone; James Schuck; Abhay Pasupathy; |
| 841 | Atomic-Scale Inelastic Electron Tunneling Spectroscopic Mapping of Bilayer Borophene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we use atomically resolved inelastic electron tunneling spectroscopy (IETS) mapping to study bilayer borophene with a CO-functionalized scanning tunneling microscope tip. |
Hui Li; Qiucheng Li; Qiyuan Ruan; Boris Yakobson; Mark Hersam; |
| 842 | Exploring Band Structure in MoS2 with High Harmonic Generation Spectroscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we investigate the polarization properties of sHHG from monolayer MoS 2 as a function of crystal orientation relative to the mid-IR laser field polarization [4]. |
Bailey Nebgen; Lun Yue; Richard Hollinger; Can Uzundal; Ziyang Gan; Emad Najafidehaghani; Antony George; Christian Spielmann; Daniil Kartashov; Andrey Turchanin; Diana Qiu; Mette Gaarde; Michael Zuerch; |
| 843 | Probing Depth-resolved Electronic Structure of Two-dimensional Layered Materials and Their Heterostructures Using Standing-wave Photoemission Microscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we demonstrate the capability to extract depth-resolved electronic structural information from single monolayers of transition-metal dichalcogenides and their heterostructures using standing-wave photoemission microscopy [1-2]. |
Jay Paudel; Ryan Muzzio; Matthew Matzelle; Florian Kronast; Slavomir Nemsak; Jouko Nieminen; Arun Bansil; Jyoti Katoch; Alexander Gray; |
| 844 | Near-field Imaging of Excitons in Transition Metal Dichalcogenides Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present a study of the exciton spectra of TMD heterostructures using a cryogenic scattering-type scanning near-field optical microscope (s-SNOM). |
Anna Roche; Rachel Nieken; Fateme Mahdikhanysarvejahany; Takashi Taniguchi; Kenji Watanabe; Michael Koehler; David Mandrus; John Schaibley; Brian LeRoy; |
| 845 | Harvesting Planck Radiation for Free-space Optical Communications in The LWIR Band Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We design and demonstrate multiple amplitude-modulated optical communication schemes and provide a link budget for communications data rate and range based on our experimental electro-optic characterization of the transmitter. We present an experimental demonstration achieving error-free communications at one hundred bits per second over laboratory scales and discuss how to scale this to >25km links. |
Haley Weinstein; Jonathan Habif; Stephen Cronin; Zhi Cai; |
| 846 | Characterizing HBN-protected Atomically Thin Bi2Sr2CaCu2O8+x Using Ultrafast Optical Pump-probe Spectroscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present an all-optical pump-probe technique for identifying superconductivity in atomically thin Bi2212 flakes with hBN protection. |
Yunhuan Xiao; Jingda Wu; Jerry Dadap; Ziliang Ye; |
| 847 | Thermal Conductivity of Highly Anisotropic 2D Polymerized Fullerenes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To create the carbon allotrope studied in the work, magnesium is used as a dopant to create covalent bonds between fullerenes within a single plane. |
Milena Milich; |
| 848 | In-situ Fabrication of Pyrochlore Epitaxial Thin Film and Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report on the successful in-situ fabrication of a variety (111) oriented thin films with pyrochlore structure R2Ir2O7 (R is rare-earth) by a hybrid approach utilizing solid phase epitaxy and layer-by-layer pulsed laser deposition. |
Mikhail Kareev; Fangdi Wen; Michael Terilli; Tsung-Chi Wu; Jak Chakhalian; Xiaoran Liu; Hongze Li; Jianshi Zhou; |
| 849 | Magneto-transport Properties of (111)-oriented Thin Films of Pyrochlore Iridates Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report on unusual magneto-transport properties arising from the interplay between the WSM and AFM phases and the presence of surface/interface in the thin films of iridates. |
Tsung-Chi Wu; Jak Chakhalian; Mikhail Kareev; Michael Terilli; Fangdi Wen; Xiaoran Liu; Jianshi Zhou; Lin Gu; |
| 850 | Tuning The Topological Hall Effect of CeAlGe By External Pressure Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: A topological Hall effect (THE) may arise from non-trivial topological spin textures, such as chiral domain walls, which have potential applications in spintronics [1]. The … |
Mario Moda Piva; Jean Souza; Gustavo Lombardi; Kevin Pakuszewski; Cris Adriano; Pascoal Pagliuso; michael nicklas; |
| 851 | Magneto-optical Probes Shed Light on The Unconventional Resistivity of EuCd2P2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we introduce a new experimental technique designed to sensitively detect optical birefringence proportional to an applied magnetic field, which we refer to as linear magneto-birefringence (LMB). |
Veronika Sunko; Yue Sun; Mayia Vranas; Christopher Homes; Changmin Lee; Elizabeth Donoway; Zhi-Cheng Wang; Sudhaman Balguri; Mira Mahendru; Mira Mahendru; Alejandro Ruiz; Brandon Gunn; Santiago Blanco-Canosa; Rourav Basak; Enrico Schierle; Eugen Weschke; Fazel Tafti; Alex Frano; Joseph Orenstein; |
| 852 | Understanding Transport and Topology in EuCd2X2 Through Electronic Structure: X = P Vs. As Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The cousin compound, EuCd 2P 2 exhibits a surprisingly enormous collossal magneto-resistance (CMR), much larger than EuCd 2As 2 and even outperforming the traditional manganese oxides while not possessing any of the properties that explain their CMR. Therefore, this series of compounds provides a rich intersection where physics of strong correlation lie in close proximity to nontrivial topology. |
Emily Been; Yingfei Li; Zhi-Cheng Wang; Yi Cui; Chunjing Jia; Brian Moritz; Fazel Tafti; Zhi-Xun Shen; Thomas Devereaux; |
| 853 | Negligible Hall Resistance in Dirac Semimetal EuCu2Sb2 Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Magnetic Dirac semimetal is of great interest among researchers these days. Many of these Dirac semimetals are protected by the combination of crystal symmetries and a special … |
SOUVIK SASMAL; Bikas Patra; Kritika Vijay; Gourav Dwari; Bishal Maity; Vikas Saini; Soma Banik; Bahadur Singh; Arumugam Thamizhavel; |
| 854 | Ultrafast Dynamics of SrCd2Sb2-xAsx Single Crystals Studied By Optical Pump-probe Spectroscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Topological materials exhibiting symmetry-protected surface states such as topological insulators have recently gained attention due to its unique physical properties and potential applications. In this context, the present study utilizes AB 2X 2 type SrCd 2Sb 2-xAs x single crystals to study the ultrafast dynamics of carriers and phonons to gain insight into critical changes in crystal structure through chemical substitution. |
Nidhi Puri; Jiunn-Yuan Lin; Chih-Wei Luo; Chien-Ming Tu; Wen-Yen Tzeng; Chi-Chen Tsai; Po-Wei Gong; Yi-Cheng Cheng; Jiun-Haw Chu; Cheng-Chien Chen; |
| 855 | Rare-earth Monopnictides: Family of Antiferromagnets Hosting Magnetic Fermi Arcs Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The recent discovery of Fermi arcs and new magnetic band splitting in the antiferromagnet (AFM) NdBi has opened up new avenues for exploration. We show that these uncharted effects are not restricted to this specific compound, but also emerge in CeBi and NdSb when they undergo paramagnetic to AFM transition. |
Yevhen Kushnirenko; Benjamin Schrunk; Brinda Kuthanazhi; Lin-Lin Wang; Junyeong Ahn; Evan O’Leary; Andrew Eaton; Sergey Budko; Robert-Jan Slager; Paul Canfield; Adam Kaminski; |
| 856 | Unusual Transport Properties of GdPS Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report the growth and property study of GdPS, a new member of the ZrSiS-family materials. |
Gokul Acharya; Krishna Pandey; Rabindra Basnet; Md Rafique Un Nabi; Jian Wang; Yuanxi Wang; |
| 857 | Spin Motive Force By The Momentum-space Berry Phase in Magnetic Weyl Semimetals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Drawing inspiration from the adiabatic charge pump, we explore how the dynamics of the magnetic moment and the Berry phase arising from the dynamics affect the material properties. |
Hiroaki Ishizuka; Akira Harada; |
| 858 | Observation of Large Wiedemann-Franz Law Violation in Ferromagnetic, Heusler, Weyl Semimetal Co2MnAl Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we report thermal conductivity and electrical resistivity measurements and analysis that demonstrates a substantial violation of the WF law in Co2MnAl. |
Robert Robinson; Lujin Min; Seng Huat Lee; Peigang Li; Yu Wang; Jinguo Li; Zhiqiang Mao; |
| 859 | Complex Intrinsic Surface States of Pyrite Ferromagnetic Topological Semimetal CoS2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The ferromagnet CoS 2, a typical pyrite structure, was recently discovered to have multi-nodal structures. In this work, we observe many complex intrinsic surface states in CoS 2 and find the different origins of these various surface states. |
Yuting Qian; |
| 860 | Strong Correlations in A Magnetic Chiral Topological Semimetal Close to A Correlated Metal-insulator Transition Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will present our latest ARPES study of a magnetic chiral topological semimetal. |
Niels Schröter; |
| 861 | Observation of Band-Splitting By Paramagnetic Spin-Fluctuations in EuZn2Sb2* Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report the observation of parallelly dispersing split bands in Eu-ternary pnictide EuZn2Sb2 through the use of high-resolution ARPES. |
Milo Sprague; Anup Pradhan Sakhya; Sabin Regmi; Robert Smith; Barun Ghosh; Dariusz Kaczorowski; Arun Bansil; Madhab Neupane; |
| 862 | Superconducting Proximity Effect in The Presence of A Magnetic Texture Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will describe how one can shape unconventional superconductivity using magnetically textured materials and the proximity effect. |
Takis Kontos; |
| 863 | Scrutinizing A Superconductor-topological Insulator Interface As A Platform for Topological Superconductivity Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Interfacing a topological insulator (TI) with an s-wave superconductor (SC) is a promising material platform that offers the possibility to realize a topological superconductor through which Majorana-based topologically protected qubits can be engineered. In our computational study of the prototypical SC/TI interface between Nb and Bi 2Te 3, we identify the benefits and possible bottlenecks of this potential Majorana material platform. |
Philipp Ruessmann; Stefan Blügel; |
| 864 | Dominant Scattering Mechanisms in InSbAs Quantum Wells: A Promising Platform for Topological Superconductivity Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report on material quality and dominant scattering mechanisms in a series of 30 nm quantum wells with arsenic mole fractions of x = 0.05, 0.13, and 0.19. |
Sara Metti; Candice Thomas; Di Xiao; Michael Manfra; |
| 865 | Monolayer Superconductivity and Tunable Topological Electronic Structure at The Fe(Te,Se)/Bi2Te3 Heterojunction Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will describe how reducing Se doping not only reduces disorder from chemical inhomogeneities but improves the spin-momentum locking of the interfacial topological states. |
Robert Moore; Xiong Yao; Yun-Yi Pai; Michael Chilcote; Hu Miao; Satoshi Okamoto; Seongshik Oh; Matthew Brahlek; |
| 866 | Effects of The Superconducting Film Edge and Surface Roughness on The Topological Superconductivity of Planar Semiconductor-superconductor Josephson Junctions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we investigate the effect of the superconducting film edge and surface roughness on the topological superconductivity of planar Josephson junctions based on a numerical analysis of a microscopic effective model of the hybrid structure. |
Purna Paudel; Tudor Stanescu; |
| 867 | Flux-Tunable Hybridization in A Double Quantum Dot Interferometer Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Tuning the hybridization between fermionic modes with magnetic flux to distinguish parity states is crucial for topological quantum computation [1,2]. We demonstrate tuning of the tunnel coupling between two such modes with flux, implemented in a phase-coherent loop comprising two quantum dots in an InSbAs two-dimensional electron gas. |
Christian Prosko; Ivan Kulesh; Michael Chan; Lin Han; Di Xiao; Candice Thomas; Michael Manfra; Leo Kouwenhoven; Srijit Goswami; Filip Malinowski; |
| 868 | Cooper Pair Splitting in A Two-dimensional Electron Gas I: Probing Virtual Processes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present the first demonstration of CPS in a semiconductor two-dimensional electron gas. |
Qingzhen Wang; Sebastiaan ten Haaf; Ivan Kulesh; Di Xiao; Candice Thomas; Michael Manfra; Srijit Goswami; |
| 869 | Cooper Pair Splitting in A Two-dimensional Electron Gas II: Spin-resolved Measurements Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we study Cooper pair splitting (CPS) in a semiconductor two-dimensional electron gas, where two quantum dots are coupled via extended Andreev bound states. |
Sebastiaan ten Haaf; Qingzhen Wang; Ivan Kulesh; Candice Thomas; Michael Manfra; Di Xiao; Srijit Goswami; |
| 870 | Cooper Pair Splitting in A Two-dimensional Electron Gas III: Flux-control Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This work demonstrates that the CPS amplitude is directly linked to virtual processes mediated by ABSs. |
Ivan Kulesh; Christian Prosko; Qingzhen Wang; Sebastiaan ten Haaf; Candice Thomas; Di Xiao; Michael Manfra; Srijit Goswami; |
| 871 | Quantum Sensing with Highly Transparent Al-InAs Planar Josephson Junctions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study the current-phase relation and tunneling spectrum of the junction as a function of in-plane Zeeman field and gate voltage. |
William Schiela; Melissa Mikalsen; Ido Levy; William Strickland; Javad Shabani; |
| 872 | Moiré Superlattices and High-temperature Surface Superconductivity in The Topological Insulator Sb2Te3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The analysis of high-resolution transmission electron microscopy reveals a distribution of puddle sizes consistent with the ac susceptibility and scanning tunneling spectroscopy, and a skewed distribution of twist angle θ corresponding to hexagonal (θ ≤ 3°) and striped (θ ≥ 3°) moiré patterns. |
Afrin Nahar Tamanna; Entela Buzi; Haiming Deng; Kyungwha Park; Jennifer Cano; Lia Krusin-Elbaum; |
| 873 | Coexistence of Bulk-nodal and Surface-nodeless Cooper Pairings in A Superconducting Topological Material Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we investigate the momentum dependence of the superconducting gap distribution in a novel Dirac material. |
Xian Yang; Yigui Zhong; Sougata Mardanya; Tyler Cochran; Ramakanta Chapai; Akifumi Mine; Junyi Zhang; Jaime Sánchez-Barriga; Zijia Cheng; Oliver Clark; Jiaxin Yin; Guangming Cheng; Nan Yao; Rongying Jin; Tay-Rong Chang; Shik Shin; Kozo Okazaki; Zahid Hasan; |
| 874 | Dependence of Topological Signatures to Junction Geometry in Planar Josephson Junctions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: With the optimized QPC, we systematically study the low-energy states probed at the ends of the junction that could be used to study end-to-end correlated states. |
PENG YU; Neda Lotfizadeh; William Schiela; Bassel Elfeky; Mehdi Hatefipour; William Strickland; Ido Levy; Mohammad Farzaneh; Javad Shabani; |
| 875 | Combining Generative Modeling and Genetic Algorithm for Atomistic Structure Search Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We developed a multi-objective genetic algorithm, FANTASTX (Fully Automated Nanoscale to Atomistic Structures from Theory and eXperiment) software, where we combined the theoretical tools with experimental data to determine the atomistic structure of experimentally observed materials. |
Venkata Surya Chaitanya Kolluru; Davis Unruh; Joshua Paul; Maria Chan; |
| 876 | Using Density Functional Theory and Machine Learning to Predict The Binding Energies of Metal-organics to Organic Functional Groups for Hybrid Material Creation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: VPI has applicability in a number of industrially relevant fields including the creation of novel organic-inorganic hybrid membranes which have shown enhanced stability in organic solvents, while retaining high permeance and selectivity. Motivated by this application, this work uses density functional theory (DFT) to explore chemical interactions occurring during the VPI of polymer of intrinsic microporosity (PIM-1, a polymeric membrane material)with trimethylaluminum(TMA) and its co-reaction with water. |
Yifan Liu; |
| 877 | Self-Supervised Learning for Material Property Prediction Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Drawing inspiration from the developments in SSL, we introduce a new framework Crystal Twins. |
Rishikesh Magar; Amir Barati Farimani; |
| 878 | Development Strategies and Hyperparameter Optimization of Deep Learning Potentials for Multi-component and Multi-phase Nickel-based Superalloys Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we developed Deep Learning interatomic potentials to model a multi-phase and multi-components system of Ni-based Superalloys. |
Marium Mostafiz Mou; Matthew J. Kindhart; Jared Shortt; Ridwan Sakidja; |
| 879 | Accelerated Designing of Superhard B-C-O Compounds Using Machine Learning and DFT Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Herein, we attempt to accelerate the search for superhard B-C-O compounds by developing machine learning (ML) models for rapid prediction of elastic moduli as proxy properties, followed by subsequent estimation of hardness using Tian’s empirical formula [1]. |
Madhubanti Mukherjee; |
| 880 | Comparing Structural Representations of Grain Boundaries Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We predict grain boundary energy with each representation in a machine-learned model. |
Braxton Owens; |
| 881 | Benchmarking and Optimization of UF3 Machine Learning Potential on Solids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Ab initio calculations offer a promising theory-guided approach to materials discovery and design. |
Pawan Prakash; Stephen Xie; Hendrik Krass; Ajinkya Hire; Peter Hirschfeld; Matthias Rupp; Richard Hennig; |
| 882 | Evaluation of Thermal Properties of Extended 2D Materials Using Gaussian Approximation Potentials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In recent years, atomically thin two-dimensional materials (2DM) have gained attention due to their flexibility and extraordinary thermal and electronic properties for technological applications. By combining density functional theory (DFT) with Boltzmann transport equation (BTE) it is possible to predict thermal transport properties accurately of these materials; however, the computational cost could be prohibitive for high-throughput calculations or for more realistic simulations with larger super-cell sizes. |
Alvaro Vazquez-Mayagoitia; Tugbey Kocabas; Cem Sevik; Murat Keceli; |
| 883 | Proton Dynamics Simulations of Solid-acid Electrolytes Using Active Learning and Equivariant Neural Network Force Fields Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we develop machine learning interatomic force fields for CsH2PO4 and CsHSO4 superprotonic conductors combining ab-initio accuracy with scalability to large system sizes and nanosecond time scale. |
Menghang (David) Wang; Cameron Owen; Yu Xie; Simon Batzner; Albert Musaelian; Anders Johansson; Boris Kozinsky; |
| 884 | Polymer Property Prediction Via Pre-trained Large Language Model Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we present TransPolymer, a Transformer-based language model built on self-attention for polymer property prediction. |
Yuyang Wang; Changwen Xu; Amir Barati Farimani; |
| 885 | Performance Boosting Portable Acceleration of SISSO++ for Symbolic Descriptor Learning Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present an updated algorithm that uses the Kokkos performance-portable programming model to offload the performance-critical region of our algorithm to accelerators, such as Nvidia or AMD GPUs [4]. |
Yi Yao; Matthias Scheffler; Christian Carbogno; Luca Ghiringhelli; Thomas Purcell; |
| 886 | First-Principles-Informed Machine Learning Study of Defects on The Lithium Metal Surface Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: These interfaces are disordered on the order of microns and so it is critical to understand the relationship between the microscale energetics and mesoscale. Here, we introduce machine learning (ML) as a way to connect these two scales. |
Hao Yu; Madison Morey; Tianlun Huang; Kubra Cilingr; Ziqing Zhao; Emily Ryan; Brian Kulis; Sahar Sharifzadeh; |
| 887 | Flat Bands in Full-Heusler Crystals – Statistical Analysis with Periodic Table Deep Learning Model Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we propose a convolutional neural network classification model, which only has the periodic table as the input and thus is called periodic table representation (PTR) classifier, to explore flat bands along the high-symmetry paths around the Fermi level and search for the physics behind it. |
xiuying zhang; |
| 888 | Generalized Hatano-Nelson Model Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will present our results on the generalized Hatano-Nelson model. |
Julius Gohsrich; Sharareh Sayyad; Flore Kunst; |
| 889 | Topological Nodal Line Semimetals with Chiral Symmetry Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Starting from a generic model Hamiltonian possessing only time-reversal, inversion, and chiral symmetries, which belongs to the Altland-Zirnbauer symmetry class CII, we demonstrate how a topological nodal line semimetal can be obtained by breaking either time-reversal, inversion symmetry, or both. |
Faruk Abdulla; Ganpathy Murthy; Ankur Das; |
| 890 | Symmetry-enforced Nodal Chain Phonons Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we reveal a class of topological phonons – the symmetry-enforced nodalchain phonons, which manifest the characteristic of phononic systems. |
Jiaojiao Zhu; Shengyuan Yang; |
| 891 | Ultrafast Magnetization Dynamics in The Magnetic Weyl Semimetal Co3Sn2S2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: It has attracted significant interest in exploring its topological and magnetic properties. In this talk, we report on ultrafast magnetic dynamics in this material using time-resolved magneto-optics Kerr rotation. |
Mengqian Che; Luyi Yang; |
| 892 | Infrared Study of Ellipsoidal Nodal Ring Semimetal SrAs3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: A SOC gap transition appears at 35meV for both polarizations. We perform theoretical calculations of σ 1 IB(ω) based on low-energy model Hamiltonian and DFT band calculations, and compare them with experimental σ 1 IB(ω). |
Jiwon Jeon; Eunjip Choi; Jiho Jang; Hongki Min; Jun Sung Kim; Hoil Kim; Ji Hoon Shim; taesu park; soonjae moon; dong wook kim; |
| 893 | Electric Field Induced Dzyaloshinskii-Moriya Interaction in Ferromagnetic Weyl Semimetals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study we show that chiral anomaly which results in imbalance of Weyl node populations could be a mediator of DMI appearance for remote spin pairs in WSM of high symmetry. |
Yuriy Semenov; |
| 894 | Fermi Surface of Type-II Dirac Semimetal Candidates (Ni, Zr)Te2 Investigated Using Torque Magnetometry and Density Functional Theory Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have studied the fermiology of the type-II Dirac semimetal candidates (Ni, Zr) Te 2 using torque magnetometry. |
Thinh Nguyen; Niraj Aryal; David Graf; Bal Pokharel; Duncan Miertschin; Dragana Popovic; Keshav Shrestha; Luminita Harnagea; |
| 895 | Transport Signatures of Fermi Arcs at Twin Boundaries in Weyl Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose merohedrally twinned B20 materials as candidates to host internal Fermi arcs, verified through both model and ab initio calculations. |
Sahal Kaushik; Nitish Mathur; Iñigo Robredo; Leslie Schoop; Song Jing; Maia Garcia Vergniory; Jennifer Cano; |
| 896 | The Circular Photogalvanic Effect in Disordered Weyl Semimetals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In a noninteracting chiral Weyl semimetal, the circular photogalvanic effect (CPGE) is quantized with a quantum due to band topology. We theoretically study the fate of this quantization in the presence of quenched short-range disorder. |
Ang-Kun Wu; Jedediah Pixley; Justin Wilson; |
| 897 | Tunable Unconventional Kagome Superconductivity in Charge Ordered RbV3Sb5 and KV3Sb5 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we utilize pressure-tuned (up to 2.25 GPa) and ultra-low temperature (down to 18 mK) muon spin spectroscopy to uncover the unconventional nature of superconductivity in RbV 3Sb 5 and KV 3Sb 5. |
Zurab Guguchia; Charles Mielke; Debarchan Das; Ritu Gupta; Jiaxin Yin; Hongxiong Liu; Qiangwei Yin; Morten Holm Christensen; Zhijun Tu; Chunsheng Gong; Nana Shumiya; Tsotne Gamsakhurdashvili; Mathias Elender; Pengcheng Dai; Alex Amato; Youguo Shi; Hechang Lei; Rafael Fernandes; Zahid Hasan; Hubertus Luetkens; Rustem Khasanov; |
| 898 | Intercalated Moiré Systems As A New Class of Quantum Materials and Using Computation to Accelerate Phase Space Searches Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will discuss our recent work on predicting novel emergent phenomena in intercalated 2D moiré systems using first-principles, symmetry analysis, and phenomenological approaches. |
Sinead Griffin; |
| 899 | A Computational Framework Accompanied By Machine Learning Techniques for Designing Two-dimensional/organic Hybrid Quantum Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Nonetheless, developing and screening a database of millions of such potential materials remains a difficult task. We have created a computational framework that allows us to design molecular intercalated 2D material families, model such hybrid materials in a high-throughput manner, and analyze their properties using first-principles methods. |
Srihari Kastuar; Christopher Rzepa; Chinedu Ekuma; Srinivas Rangarajan; |
| 900 | Ab Initio Investigations of Kagome Xenes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, in order to seek novel stable elemental 2D materials with flat bands, we utilize DFT to systematically study other Group IVA elements, in Kagome lattice configurations. |
Chenhaoyue Wang; Amartya Banerjee; |
| 901 | Stability of Layered Li-Mg-B Compounds from First-principles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Based on our present re-examination of the LiB thermodynamic stability at different ( T, P) conditions, we propose that the desired phase could be obtained at lower pressures starting with a delithiated LiB y compound. |
Charlsey Tomassetti; Gyanu Kafle; Igor Mazin; Aleksey Kolmogorov; Elena Margine; |
| 902 | Triangular Ad-atom Surface Lattices As A Platform for Correlated Hund’s Physics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work we propose X:SiC(0001) ad-atom systems ( X = Cr, V, Ti) as a new platform to control and probe two-band physics in the triangular lattice Hubbard model. |
Henri Menke; Michel Bockstedge; Philipp Hansmann; |
| 903 | Understanding Disorder-driven Metal-Insulator Transitions in Heteroanionic TiOF Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Ultimately, our work provides improved understanding on anion ordering tendencies in heteroanionic MIT materials and offers insights on synthetically achieving anion order on length scales necessary for device applications. |
Siddhartha Nathan; James Rondinelli; |
| 904 | Anharmonic and Kinetic Effects on The Stabilization Pressure of High-Tc Clathrate Hydrides Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This talk focuses on the effects of vibrational zero-point energy, phonon anharmonicity and kinetic enthalpy barriers on the stabilization pressure of the high-symmetry phases, using in particular the example of BaSiH 8, where we determined dynamic stability at 5 GPa. |
Roman Lucrezi; Christoph Heil; Lilia Boeri; Simone di Cataldo; |
| 905 | Ab Initio Analysis of Li-B-C Structure Stability Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we use density functional theory to characterize well-established and recently reported Li-B-C phases. |
Saba Kharabadze; Maxwell Meyers; Charlsey Tomassetti; Elena Margine; Igor Mazin; Aleksey Kolmogorov; |
| 906 | Imaginary Phonon Modes and Phonon-mediated Superconductivity in Y2C3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In high-throughput computation to search for new phonon-mediated superconductors, compounds with calculated imaginary frequency phonon modes are regarded as dynamically unstable and often discarded as promising candidates. Using density functional perturbation theory (DFPT) to investigate Y2C3 with an experimentally measured Tc ~ 18 K, we find imaginary optical phonon modes in its high symmetric body-centered cubic (BCC) structure. |
Niraj Nepal; Paul Canfield; Lin-Lin Wang; |
| 907 | New Carbon Allotropes and Their B-doped Phases As Candidate for Q-carbon Materials with Magnetic and Superconducting Properties Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we propose a new carbon allotrope with similar concentration of sp2-sp3 hybridized atoms to Q-carbon. |
Reo Kita; Masayuki Toyoda; Susumu Saito; |
| 908 | First-principles Prediction of Structural, Magnetic Properties of Cr-substituted Strontium Hexaferrite, and Its Site Preference Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To investigate the structural and magnetic properties of Cr-doped M-type Strontium hexaferrite (SrFe 12O 19) with x = (0.0, 0.5, 1.0), we perform first-principles total-energy calculations based on density functional theory. |
Binod Regmi; |
| 909 | First-principles Calculations to Investigate Stability and Electronic Properties of Ferromagnetic (anti-ferromagnetic) Semiconducting Heusler Alloys Cr2YSi (Cr2YAl) Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: The phase structure and properties of Heusler alloys Cr2YZ (Z = Al, Si) have been studied using first principles calculations. The L21-type cubic structure found to be … |
Ridwan Nahar; Ka Ming Law; Sujan Budhathoki; Michael Zengel; Thomas Roden; Justin Lewis; Adam Hauser; |
| 910 | Active Material Design for Mechanically-Robust, Efficient Polymer Solar Cells Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Considering the technical standards ( e.g., mechanical robustness) required for wearable electronics, which are promising application platforms for organic solar cells, the … |
Bumjoon Kim; |
| 911 | Radical Polymer-based Mixed Conductors and Their Application to Bioelectronic Ocular Sensors Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Optoelectronically active polymers have made critical inroads in many solid-state electronic devices (e.g., organic field-effect transistors), and excitingly, macromolecules … |
Bryan Boudouris; Ho Joong Kim; |
| 912 | Evidence of Pure Spin-current and First Organic Spin-Valve Based on Non-conjugated Radical Polymer Glass Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Specifically, our effort demonstrates the coupled materials and device characterizations that are necessary to establish the fundamental structure-function des |
Hamas Tahir; Carsten Flores-Hansen; Sheng-Ning Hsu; Zihao Liang; Neil Dilley; Brett Savoie; Bryan Boudouris; |
| 913 | Local Chemical Enhancement and Gating of Organic Mixed Ionic-electronic Transport Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we demonstrate that hydrophilic molecules local to an interfacial OMIEC nanochannel can accelerate ion transport with record ion mobilities surpassing electrophoretic transport by more than an order of magnitude. |
Brian Collins; Tamanna Khan; Terry McAfee; Awwad Alotaibi; Thomas Ferron; |
| 914 | Impact of Molecular Weight and Size Distribution on The Performance of PEDOT:PSS in Organic Electrochemical Transistors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, I will share how we used controlled radical polymerization to synthesize PSS with precise molecular weights and dispersity to establish their effect on the performance of PEDOT:PSS in OECTs [Lo et al. |
Laure Kayser; |
| 915 | Investigating Mass and Charge Transport in Organic Electrochemical Transistors for Use As Explosives Sensors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Investigating Mass and Charge Transport in Organic Electrochemical Transistors for Use as Explosives Sensors. |
Aaron Woeppel; Bryan Boudouris; Stephen Beaudoin; |
| 916 | Water-processed Dielectric Layer for Eco-friendly High Performance Organic Thin Film Transistors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, an organic thin film transistor with a dielectric layer was made using a substance known as gum arabic (GA). |
Mi Ri Nae Lee; Yongju Lee; SWARUP BISWAS; Hyeok Kim; |
| 917 | Extending The Measurement of Domain Purity in Organic Photovoltaic Blends Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation we will describe our efforts to deconvolute contributions from compositional heterogeneity and orientational heterogeneity in the RSoXS phase purity measurment. |
Peter Dudenas; Yilei Wu; Sebastian Scneider; Christina Cheng; Michael Toney; Alberto Salleo; Zhenan Bao; Dean DeLongchamp; |
| 918 | Using Discotic Liquid Crystals to Prepare Biaxially Textured Organic Semiconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report here a facile new method to create biaxially textured crystals of organic semiconductors by directing the self-assembly of the precursor discotic liquid crystalline phase. |
Kushal Bagchi; Tadej Emersic; Zhongyang Wang; Wen Chen; Juan De Pablo; Paul Nealey; |
| 919 | A Circuit Model Approach for Donor Acceptor Solar Cells Exhibiting Disorder Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present a new equivalent circuit for the dark IV curves of bilayer organic solar cells, which can accurately fit the IV curve across the entire voltage range, from low voltage through values substantially higher than open circuit. |
Cassandra Bogh; Ayla Osgood; Kathleen Smith; Xinrui Zhu; Benjamin Zank; Dhandapani Venkataraman; Roderick MacKenzie; Katherine Aidala; Alexi Arango; |
| 920 | Carrier Screening of Dopant Coulomb Interactions in Organic Electronics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our study refines the understanding of fundamental processes in doped polymers and enable their easier engineering for electronic, thermoelectric, and photovoltaic applications. |
Zlatan Aksamija; Muhamed Duhandzic; Dhandapani Venkataraman; Michael Lu Diaz; Subhayan Samanta; |
| 921 | Designing High-Spin Small Organic Molecules for Optoelectronic Applications Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This study shows a novel design strategy of polycyclic hydrocarbons with a large polyradical character, compelling synthetic targets for magnetic and spintronics materials. |
Neeraj Rai; Md Abdus Sabuj; Chinmoy Saha; Md Masrul Huda; |
| 922 | Theory of Magnetism and Superconductivity in ABC Trilayer Graphene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Notably, all occurs in the absence of delicate moiré engineering, but under interplay between nonlinear Dirac bands and trigonal warping effects.Focusing on the trilayer graphene system, significant progress has been made by providing a theoretical framework that enables examination of the spontaneous spin-valley symmetry breaking and Fermi surface reconstructions observed in the fractional metallic phases and exploration of the tantalizing competitions between spin/orbital magnetism and singlet/triplet superconductivity. |
Chunli Huang; |
| 923 | Interface-tunable Charge Transfer and Correlation Effects in Bilayer 1T/1H-TaS2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we examined the electronic structures of the bilayer 1T/1H-TaS 2 and focused on the charge transfer between 1T and 1H layers. |
Hyeonhu Bae; Igor Mazin; Binghai Yan; |
| 924 | Exact Many-Body Ground States from Decomposition of Ideal Higher Chern Bands: Applications to Chirally Twisted Graphene Multilayers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Motivated by the higher Chern bands of twisted graphene multilayers, we consider flat bands with arbitrary Chern number C with ideal quantum geometry. |
Junkai Dong; Patrick Ledwith; Eslam Khalaf; Jong Yeon Lee; Ashvin Vishwanath; |
| 925 | Origin of Model Fractional Chern Insulators in All Topological Ideal Flatbands: Explicit Color-entangled Wavefunction and Exact Density Algebra Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: It is commonly believed that nonuniform Berry curvature ruins the Girvin-MacDonald-Platzman algebra and as a consequence destabilizes fractional Chern insulators. In this work we disprove such common sense by presenting a theory for all topological ideal flatbands with nonzero Chern number C. |
Jie Wang; Semyon Klevtsov; Zhao Liu; |
| 926 | Chiral Kondo Lattice in Doped MoTe2/WSe2 Bilayer Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a detailed analysis of a new “heavy fermion” regime in which we show that the combination of strong spin-orbit coupling and the non-local structure gives rise to a chiral Kondo coupling leading to a new twist on heavy fermion physics [1], discuss instabilities of the low-density electron gas in the background of ordered magnetic moments and present a nodal Kondo insulator state. |
Daniele Guerci; Jie Wang; Jiawei Zang; Jennifer Cano; Jed Pixley; Andrew Millis; |
| 927 | Charge Density Wave Order and Commensuration in TaS2 Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we examine novel TaS 2 polymorphs and shed light on the interplay between atomic structure, CDW order and electronic properties. |
Samra Husremovic; Daniel Bediako; Berit Goodge; Sinead Griffin; Alberto Mier; Katherine Inzani; |
| 928 | Engineering Superconductivity in Bernal Bilayer Graphene Via Proximity-Induced Spin Orbit Coupling Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we study the effects of spin orbit coupling on BLG by placing it on a transition metal dichalchogenide, WSe_2, with controlled stacking angles. |
Isabelle Phinney; Andrew Zimmerman; Andres Mier Valdivia; Jeffrey Kwan; Kenji Watanabe; Takashi Taniguchi; Philip Kim; |
| 929 | Synthesis, Characterization and Optical Properties of Misfit Layer Chalcogenides [(PbSe)1+y]m(NbSe2)n and [(SnSe)1+y]m(VSe2)n Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We found an approximate isosbestic point in the optical conductivity which is common in strongly correlated materials. |
Maureen Reedyk; Thilini Kuruppu Arachchilage; Paul Respicio; |
| 930 | Superconducting Quantum Criticality in Monolayer WTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will present the thermoelectric measurement of the QSHI to superconductor transition in monolayer WTe 2. |
Tiancheng Song; Yanyu Jia; Guo Yu; Yue Tang; Pengjie Wang; Ratnadwip Singha; Xin Gui; Ayelet J. Uzan; Michael Onyszczak; Kenji Watanabe; Takashi Taniguchi; Robert Cava; Leslie Schoop; N. Phuan Ong; Sanfeng Wu; |
| 931 | Correlation Energy in Bernal Bilayer Graphene Under Strong Displacement Field Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The discrepancies are particularly stark in some parts of the phase diagram; for example the paramagnetic state seems to be exceptionally stable on the low-density side of the van Hove singularity. In an effort to explain the systematic deviations from Hartree-Fock theory, we study the correlation energy contribution to the total energy using the time-dependent Hartree-Fock method, paying special attention to its relationship to the shape and the topology of the Fermi surface. |
Tobias Wolf; Chunli Huang; Shi-zeng Lin; Allan MacDonald; |
| 932 | Competing Superconducting and Correlated Phases in Bernal Stacked Bilayer Graphene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Owing to its unique electronic properties and a high degree of tunability, Bernal-stacked bilayer graphene (BLG) has been the subject of research from many different perspectives. |
Ming Xie; |
| 933 | Quantum Monte Carlo Simulations for 2D Moiré Flat Bands Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report a study about moiré flat bands superconductor by projecting Coulomb repulsion and phenomenological attraction onto flat bands. |
Xu Zhang; Kai Sun; Zi Yang Meng; Gaopei Pan; Heqiu Li; Xiao Yan Xu; Bin Bin Chen; |
| 934 | Correlation-driven Quantum Ratchet in A Layer-contrasting Moiré Structure Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our study demonstrates engineered moiré landscape as a novel and generic approach to designing and studying the interplay of electrons with distinct natures. |
Zhiren Zheng; |
| 935 | Spin-split Superconductivity in Triple-hybrid Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The intricate interplay between spin-orbit coupling, magnetic domains, and superconducting phase coherence gives rise to unique ground states and corresponding electrical properties. In this talk, I will present some of the rich phenomenology emerging in these materials. |
Saulius Vaitiekenas; Ruben Seoane Souto; Davydas Razmadze; Luca Galletti; Asbjrn Drachmann; Constantin Schrade; Andrea Maiani; Peter Krogstrup; Liu Yu; András Gyenis; Charles Marcus; |
| 936 | Characterization and Braiding of Majorana Bound States in Planar Topological Josephson Tri-junctions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present analytical and numerical studies of MBS dynamics in a Josephson tri-junction system with three finite-sized p+ip superconducting islands. |
Ellen Gulian; Laimei Nie; Varsha Subramanyan; Smitha Vishveshwara; |
| 937 | Mott Qubit and Fractron in A Mott System Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: There is an instability for the Mott IMT(Insulator-to-Metal Transition) not accompanied with the structural phase transition, excitation ( U at metal from Uc at insulator) of the … |
Hyun-Tak Kim; |
| 938 | Quantum Point Contacts in Cadmium Arsenide Thin Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We demonstrate operation of gate-defined quantum point contacts in the quantum Hall state of cadmium arsenide thin films tuned into different topological and trivial states by magnetic field. |
Simon Munyan; |
| 939 | Van Der Waals Reprogrammable Quantum Materials Using Ultra-low Voltage E-beam Lithography Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we demonstrate how reconfigurable quantum materials can be achieved by gating vdW stacks with complex-oxide heterostructures that are programmed by ultra-low voltage e-beam lithography (ULV-EBL) [1]. |
Qingrui Cao; Dengyu Yang; Muqing Yu; Erin Akyuz; Ki-Tae Eom; Patrick Irvin; Chang-Beom Eom; Benjamin Hunt; Jeremy Levy; |
| 940 | Dimensionality-controlled Electronic Reconstruction in Ruthenate Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This work reveals the importance of interlayer coupling to the electronic structure of layered ruthenate systems, with important implications for ruthenate-based unconventional superconductors. |
Ujjal Lamichhane; Rosty Martinez; Gilberto Fabbris; Yongseong Choi; Daniel Haskel; Valentina Bisogni; Mario Borunda; Derek Meyers; |
| 941 | Superconducting Routing Platform for Large-scale Integration of Spin Qubits Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will report on the fabrication, using 200 mm silicon wafer technologies, of a multi-layer routing platform designed for the hybridization and three-dimensional integration of spin qubit arrays and control electronics chips. |
Candice THOMAS; |
| 942 | Observation of Two-level Systems with A Giant Dipole Moment in Superconducting Granular Aluminum Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present microwave spectroscopy measurements of ultra-compact, high impedance resonators made from granular aluminum films. |
Maximilian Kristen; Jan Nicolas Voss; Micha Wildermuth; Jürgen Lisenfeld; Hannes Rotzinger; Alexey Ustinov; |
| 943 | Rapid Characterization of Superconducting Microwave Resonators Using ThePound-Drever-Hall Technique Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we demonstrate fast characterization of TLS loss and show a direct comparison of this technique with the conventional method of using a VNA. |
John Pitten; Jim Phillips; Brandon Boiko; Josh Mutus; Corey Rae McRae; |
| 944 | Modelling Dielectric Loss in Superconducting Resonators: Evidence for Interacting Atomic Two-level Systems at The Nb/oxide Interface Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The proposed method can be applied to other devices with multiple material interfaces and substrates, with the goal of elucidating the nature of TLSs causing energy loss in resonators and qubits. |
Noah Gorgichuk; Tobias Junginger; Rogério de Sousa; |
| 945 | Radiation Effects on Coplanar Waveguide Microwave Resonators Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We used superconducting microwave resonators to study the effect of radiation on devices used for quantum information. |
Nathan Thobaben; Daria Kowsari; Kaiwen Zheng; Kater Murch; David Wisbey; Denae Cherry; Kevin Goodman; Robert Cooper; Grant Osmon; Abigail Sohm; |
| 946 | Theoretical Investigation of Magnetic Losses in Amorphous Ta2O5 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Owing to the increased spatial extent of Ta 5d orbitals compared to Nb 4d orbitals, we hypothesize that amorphous Ta 2O 5 will host fewer localized moments than amorphous Nb 2O 5. We confirm this hypothesis using spin-polarized density functional theory (DFT) calculations on magnetic moment formation in amorphous Ta 2O 5 and discuss the impact on magnetic losses. |
Patrick Pritchard; James Rondinelli; |
| 947 | Top-down Production of 2D Materials in Macroscopic Sizes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have developed a few metal-assisted methods to exfoliate a variety of van der Waals (vdW) single crystals into 2D flakes with controlled thickness and morphology, and achieved high yield, high quality, and macroscopic dimensions. |
Fang Liu; |
| 948 | Bumpy Graphene Membranes: A Roadmap for Flat-band Engineering and Topological Transitions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our work revealed moiré-like patterns with pockets of localized charges like those reported for twisted bilayer graphene. |
Nancy Sandler; Md. Tareq Mahmoud; Dawei Zhai; |
| 949 | Machine Learning Moiré Quantum Flatland Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: For example, density functional theory and many-body perturbation theory calculations, while serving as standard approaches for conventional solids, are too expensive in computational cost for most moiré superlattices. In this talk, we employed a neural network method trained by first-principles results to overcome this difficulty. |
Xiaowei Zhang; Di Xiao; Ting Cao; |
| 950 | 2D Heat, Light, and Mass Transport in Engineered 2D Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we will present my group’s recent efforts to generate large-scale 2D materials and stacked films specifically engineered to realize 2D photonic, photonic and mass transport phenomena. |
Jiwoong Park; |
| 951 | Chiral Charge Distribution Near Domain Boundary in Twisted Bilayer Graphene Aligned with Hexagonal Boron Nitride Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Breaking the sublattice symmetry by aligning the MATBG with hexagonal Boron Nitride (hBN), endows the bands with a non-trivial Berry curvature, leading to the emergence of orbital magnetism near filling of +3 (3 electrons per moire cell). Using scanning tunneling microscopy and spectroscopy (STM/STS) on this system, we observe multiple domains where the hBN and MATBG lattices are perfectly aligned despite their lattice mismatch. |
Xinyuan Lai; Guohong Li; Kenji Watanabe; Takashi Taniguchi; Eva Andrei; |
| 952 | Atomistic Hartree Theory of Twisted Double Bilayer Graphene Near The Magic Angle Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work [1] we used atomistic Hartree theory to calculate the electronic response of twisted double bilayer graphene (tDBLG) to gate doping and the application of perpendicular external electric fields when long-range electron-electron interactions are included. |
Christopher Tat Shun Cheung; Zachary Goodwin; Valerio Vitale; Johannes Lischner; Arash Mostofi; |
| 953 | Effect of Annealing on Interfacial Moiré Relaxation in Marginally Twisted Hexagonal Boron Nitride Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we study the relationship between thermal annealing and twist angle relaxation at twisted hBN interfaces using a combination of scanning probe microscopy and optical spectroscopy. |
Marisa Hocking; Christina Henzinger; Steven Tran; Mihir Pendharkar; Nathan Bittner; Kenji Watanabe; Takashi Taniguchi; David Goldhaber-Gordon; Andrew Mannix; |
| 954 | Tunable Excitons in Rhombohedral Trilayer Graphene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We observed tunable exciton states in rhombohedral trilayer graphene via a photocurrent spectroscopy technique. |
Zhengguang Lu; Xiaowei Zhang; Tianyi Han; Tonghang Han; Dasol Kim; Takashi Taniguchi; Kenji Watanabe; Ting Cao; Long Ju; |
| 955 | Engineering New Moire Heterostructures in Twisted Trilayer Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We introduce a method of engineering moire heterostructures in trilayer systems without requiring near-matched lattice constants, allowing for a wider variety of material combinations. |
Aaron Dunbrack; Jennifer Cano; |
| 956 | G-band Enhancement in ABt Twisted Trilayer Graphene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, the Raman signatures of twisted trilayer graphene remain unclear. In this talk I will introduce our recent experimental investigation on this question. |
Xiaofeng Li; Ronghui Luo; Xiao Li; Zhibo Liu; |
| 957 | Modulating Defects in Metal Halide Perovskites Using Lattice Strain Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we use first-principles calculations to investigate the modulation of defect properties, such as transition levels by the application of isotropic and epitaxial lattice strain. |
Zeeshan Ahmad; Yongjin Shin; Giulia Galli; |
| 958 | Structural and Band Level Alignment of CsPbBr3 / Graphene and CsPbI3 / Graphene Heterostructures from First Principles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This work considers graphene as an interfacial layer in contact with CsPbI 3 and CsPbBr 3 perovskites. |
Daniel Duke; Xixi Qin; Matthew Hautzinger; Matthew Beard; Volker Blum; |
| 959 | Electric Field Effects in MAPbI3 Perovskite Via Picosecond Microscopy Techniques Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present time-resolved kerr rotation (TRKR) and photoluminescence (PL) data exhibiting electric field effects in thin film MAPbI3 (MAPI) perovskite. |
Isaac Brown; |
| 960 | First-principles Investigation of Peierls-like Distortions and Charge Disproportionation in Complex Halide Perovskites Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we use first principles density functional theory calculations with hybrid functionals and DFT-parameterized reduced Hamiltonians to investigate how pressure and atomic substitutions affect the electronic structure. |
Armin Eghdami; Jonah Haber; Nathan Wolf; Hemamala Karunadasa; Jeffrey Neaton; |
| 961 | Magnetism of Doped Metal Halide Perovskites Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a model of exchange coupling mediated by electrons when conduction band has mainly d-character. |
Renat Sabirianov; Wuzhang Fang; David Deibert; Haolei Hui; Hao Zeng; Zhonghai Yu; Sen Yang; |
| 962 | Exciton-phonon Coupling in The Lead-free Double-perovskite Cs2InAgCl6 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: C 125, 21689 (2021)] we investigated the electronic band structure of Cs 2InAgCl 6 using GW method, and the temperature-dependent band gap renormalization via electron-phonon interactions within special displacement method. |
Viet-Anh Ha; Hyungjun Lee; Marios Zacharias; Feliciano Giustino; |
| 963 | Ionic Transport in Perovskite Light-Emitting Electrochemical Cells and Performance Dynamics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We studied the ionic defect transport and performance dynamics of Perovskite Light-Emitting Electrochemical Cells with impedance spectroscopy and lifetime measurements. |
Ross Haroldson; Grigorii Verkhogliadov; Anvar Zakhidov; |
| 964 | Vapor Transport Deposition of Metal-Halide Perovskites for Photovoltaic Applications Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we demonstrate solar cells based on an active layer of methylammonium lead iodide co-deposited via vapor transport deposition (VTD). |
Emma Pettit; Wan-Ju Hsu; Russell Holmes; Richard Swartwout; Ella Wassweiler; Tamar Kadosh; Vladimir Bulovic; |
| 965 | Engineering Electrooptical Properties of 2 Dimensional Hybrid Perovskites with Pressure Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Lattice vibrations create spatial and temporal potential fluctuations, that governs exciton-phonon interactions. In this talk, I will illustrate how high pressure can be used to tune the electrooptical properties of the hybrid perovskite materials, and how such study can provide some guidance in the synthesis of new materials. |
zexiang shen; |
| 966 | First-Principles Survey of Acceptor Dopants for P-Type Cesium Lead Bromide Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work [1], a wide variety of possible acceptor dopants are evaluated using first-principles calculations. |
Michael Swift; John Lyons; |
| 967 | Quantifying Hidden Symmetry in The Tetragonal CH3NH3PbI3 Perovskite Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Nevertheless, it is clear that some kind of approximate symmetries are present, evidenced by the quasi-I4cm and quasi-I4/mcm structures commonly used in calculations. In this work we have developed a methodology to quantify the hidden symmetry of these structures using group theory, to enable use of symmetries in understanding spectroscopy. |
Kuntal Talit; David Strubbe; |
| 968 | A Raman Scattering Investigation of Halide Rb4Ag2BiBr6 Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Halide perovskites have reached photovoltaic efficiencies near the theoretical maximum but due to toxicity and stability issues other alternatives have been sought out. The double … |
Collin Tower; Maureen Reedyk; |
| 969 | Computational Study of Intrinsic Defects in 2D Hybrid Perovskite Phenethylammonium Lead Iodide Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We here present a systematic study of intrinsic point defects in phenethylammonium lead iodide (PEA 2PbI 4), both in isolation and as combined defects. |
Gabrielle Koknat; Matthew Hautzinger; Matthew Beard; Volker Blum; |
| 970 | Tunneling Probe of Magnons in 2D Alpha-RuCl3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We find a reversal of the magnetic anisotropy together with an enhancement of the Kitaev interaction due to picoscale structural distortions. |
Adam Wei Tsen; |
| 971 | Mapping The Thermoelectric Properties of Noble Transition Metal Dichalcogenides at Atomic Scale Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using a STM, we investigate the thermoelectric properties of both pentagonal and hexagonal noble-TMD monolayers in atomic resolution. |
Saban Hus; An-Ping Li; Yong Chen; Lina Liu; |
| 972 | Thermoelectric Properties of Two-dimensional MoS2 Semiconductors in A Wide Temperature Range Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we will report the fabrication of both TE and field-effect transistor devices based on MoS 2 flakes with a thickness from single layer to 39 layers. |
Wen-Bin Jian; Chetan Awasthi; Kuan-Cheng Lu; S. S. Islam; |
| 973 | Measuring AC Conductivity of 2D Superconductors at Microwave Frequencies Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present an advanced characterization that can probe the AC conductivity and quality factor of 2D superconductors to sub-ppm precision using a high-quality factor transmission line resonator. |
Mary Kreidel; |
| 974 | Time-Resolved ARPES Study of Floquet-Bloch States in Monolayer Tungsten Disulfide Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we report the observation of Floquet-Bloch states in monolayer Tungsten Disulfide using Tr-ARPES. |
Vivek Pareek; David Bacon; Xing Zhu; Yang-Hao Chan; Fabio Bussolotti; Nicholas Chan; Joel Urquizo; Kenji Watanabe; Takashi Taniguchi; Michael Man; Julien Madéo; Diana Qiu; Kuan Eng Johnson Goh; Felipe da Jornada; Keshav Dani; |
| 975 | Mechanically Reconfigurable Quantum Devices in A Van Der Waals Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk I will discuss our measurements on a reconfigurable graphene quantum point contact (QPC) device operated in the quantum hall regime. |
Ian Sequeira; Andrew Barabas; yuhui yang; Aaron Barajas; Kenji Watanabe; Takashi Taniguchi; Javier Sanchez-Yamagishi; |
| 976 | Real-time In-situ Electrostatic Alignment for Micro and Nano ARPES: First Results Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation we will show the first results from our ground-breaking real-time and in-situ Electrostatic 3D Focus Adjustment technology. |
Daniel Beaton; Craig Polley; Timo Wätjen; Marcus Lundwall; Khadiza Ali; Patrik Karlsson; |
| 977 | Spin-orbit Coupling-induced Magnetic Phases in The Rhombohedral Trilayer Graphene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study the effect of proximity-induced intrinsic and Rashba spin-orbit coupling on the magnetic phase diagram of rhombohedral trilayer graphene (RTG). |
Yaroslav Zhumagulov; Denis Kochan; Jaroslav Fabian; |
| 978 | Layer-by-layer Disentanglement of Bloch States Via Frequency-domain Photoemission Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report a layer-encoded frequency-domain ARPES experiment on a magnetic topological insulator (MnBi 2Te 4)(Bi 2Te 3) to characterize the layer origins of electronic states. |
Woojoo Lee; Sebastian Fernandez-Mulligan; Hengxin Tan; Chenhui Yan; Yingdong Guan; Seng Huat Lee; Ruobing Mei; Chaoxing Liu; Binghai Yan; Zhiqiang Mao; Shuolong Yang; |
| 979 | Magnetothermal Conductivity of Ta2NiSe5 at Low Temperatures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: It is not yet clear whether these features are intrinsic to the sample or due to impurities, nor is it clear whether they are related to any exciton physics. Here, we present low-temperature magnetothermal conductivity measurements on TNS in order to clarify the quasiparticle behavior as well as the underlying cause of these features. |
Vikram Nagarajan; Luke Pritchard Cairns; James Analytis; |
| 980 | Axial Higgs Mode from Quantum Geometry and A Charge Density Wave Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we discover an unconventional axial Higgs mode of the charge density wave in the GdTe3. |
Kenneth Burch; Yiping Wang; Grant McNamara; Ioannis Petrides; Shiming Lei; YUEH-CHUN WU; James Hart; Jun Yan; Di Xiao; Judy Cha; Prineha Narang; Leslie Schoop; |
| 981 | Topological Kondo Superconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, topological superconductors existing in nature and driven by strong electron correlations is yet to be studied. Here we propose a realization of such system in a class of Kondo lattice materials without proximity effect. |
Yung-Yeh Chang; Khoe Nguyen; Kuang-Lung Chen; Chung-Hou Chung; |
| 982 | Grain Boundary Band Structure Engineering in A Topological Superconductor Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In our work we study the band structure of the Bogoliubov quasiparticles emerging at the grain boundary formed by a misalignment of two square lattices in a two-dimensional topological superconductor. |
Morten Amundsen; Vladimir Juricic; |
| 983 | Superconductivity in Few-Layer Topological Superconductor Candidate (Sn1-xInx)Bi2Te4 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will describe our progress in measuring and understanding the superconducting and normal states of the topological superconductor candidate (Sn 0.5In 0.5)Bi 2Te 4. |
Jack Barlow; Dmitry Ovchinnikov; Chaowei Hu; Jiaqi Cai; Zhaoyu Liu; Jiun-Haw Chu; David Cobden; Jiaqiang Yan; Michael McGuire; Xiaodong Xu; |
| 984 | Thermodynamic and Electrical Transport Properties of UTe2 Under Uniaxial Stress Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We find that the critical temperature T c of the single observed bulk superconducting transition decreases with stress applied along [100] and [110] but increases with stress along [001]. |
Clement Girod; Callum Stevens; Andrew Huxley; Eric Bauer; Frederico Santos; Joe Thompson; Rafael Fernandes; Jian-Xin Zhu; Filip Ronning; Priscila Rosa; Sean Thomas; |
| 985 | Searching for Ideal Topological Crystalline Insulators and Topological Superconductors in Pb-Sn-In-Te System Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have measured the physical properties on these single crystals by various techniques. We have studied the effect of crystal growth condition, impurity and composition on the bulk electrical conductivity of these single crystals. |
Genda Gu; |
| 986 | A Mechanism for Time-reversal Broken Superconductivity in UTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We demonstrate that finite coupling between magnetic and superconducting orders can drive a weakly first order transition from a metal to a time-reversal breaking superconductor. A microscopic origin of this coupling is identified as screening of magnetic moments by chiral Cooper pairs, built out of the two non-degenerate pairs – an extension of Kondo screening to unconventional pairs. |
Tamaghna Hazra; Pavel Volkov; |
| 987 | Evaluation of Two-component Superconductivity in Sr2RuO4 Through Measurements Under Uniaxial Stress Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will present three contradictions in the evidence on the superconducting order parameter, that have come to light through uniaxial stress measurements. |
Clifford Hicks; |
| 988 | Unconventional Periodicities of The Little-Parks Effect Observed in A Topological Superconductor Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we report the observation of novel Little-Parks oscillation periodicities of 2Φ 0, 3Φ 0 and 4Φ 0, in addition to the conventional Φ 0, in mesoscopic rings of epitaxial β-Bi 2Pd, a topological triplet superconductor. |
Yufan Li; Xiaoying Xu; Shu-Ping Lee; Chia-Ling Chien; |
| 989 | Investigating The Crystal Field Ground State and The Limits of Superconductivity in UTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To understand the driving mechanism suppressing superconductivity, we investigate UTe 2 single crystals grown close to the nonsuperconducting boundary (growth temperature ~ 710 oC) through a combination of thermodynamic and x-ray diffraction measurements. |
Priscila Rosa; Ashley Weiland; Mitchell Bordelon; Filip Ronning; Joe Thompson; Eric Bauer; Sean Thomas; |
| 990 | Dirac Lines and Loop at The Fermi Level in The Time-reversal Symmetry Breaking Superconductor LaNiGa2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Phys. Rev. B 105,064517 (2022)], I will show that the time-reversal symmetry breaking in the superconductor LaNiGa2 is enabled by its previously unknown topological electronic band structure, with Dirac lines and a Dirac loop at the Fermi level. |
Valentin Taufour; Jackson Badger; Yundi Quan; Matthew Staab; Shuntaro Sumita; Antonio Rossi; Kasey Devlin; Kelly Neubauer; Daniel Shulman; James Fettinger; Peter Klavins; Susan Kauzlarich; Dai Aoki; Inna Vishik; Warren Pickett; |
| 991 | Towards An Understanding of The Intrinsic Properties in UTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we show via thermal expansion and specific heat measurements that the double transition in some UTe2 samples arises from sample inhomogeneity [3]. |
Sean Thomas; Callum Stevens; Ashley Weiland; Filip Ronning; Eric Bauer; Joe Thompson; Andrew Huxley; Priscila Rosa; |
| 992 | Electronic Structure and Pairing Instability of Heavy-Fermion Superconductor UTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we focus on some salient features of the electronic structure and magnetic properties of the system. |
Jian-Xin Zhu; Christopher Lane; Bo Gyu Jang; Filip Ronning; Qimiao Si; |
| 993 | Quantum Imaging of Magnetic Phase Transitions in Intrinsic Magnetic Topological Nanoflakes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we introduce nitrogen-vacancy (NV) centers, optically active atomic defects in diamond, to directly image the local static and dynamic spin properties of MnBi 2Te 4 (Bi 2Te 3) n nanoflakes, revealing the details of magnetic phase transition and domains at the nanoscale. |
Hanyi Lu; Chaowei Hu; Nathan McLaughlin; Shu Zhang; Mengqi Huang; Hailong Wang; Yaroslav Tserkovnyak; Ni Ni; Chunhui Du; |
| 994 | Visualizing Temperature Driven Ferromagnetic to Antiferromagnetic Transition in MnSb2Te4 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we directly visualize the temperature driven FM-AFM phase transition with T C = 24 K and T N = 15 K in single crystals of MnSb 2Te 4 using cryogenic Magnetic Force Microscopy. |
Wenbo Ge; Weida Wu; Jiaqiang Yan; |
| 995 | Visualization of Ferromagnetic Domains in Magnetic Topological Insulator/FeTe Heterostructures in The Superconducting State Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Based on the domain population, we can construct ferromagnetic hysteresis loops in the superconducting state. |
Ying-Ting Chan; Hemian Yi; Jiaqi Cai; Zi-Jie Yan; Xiaodong Xu; Cui-Zu Chang; Weida Wu; |
| 996 | Magnetic Imaging of Domain Walls in Antiferromagnetic Topological Insulator MnBi4Te7 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will present our recent MFM results which uncover seemingly complex antiferromagnetic domain states via minor-loop field cycling into the bulk spin flip transition. |
Weida Wu; Wenbo Ge; Ying-Ting Chan; Jiaqiang Yan; |
| 997 | Milli-Kelvin Microwave Microscopy of Quantum Anomalous Hall States Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we report the implementation of a dilution-refrigerator-based MIM with a base temperature of ~ 100 mK. |
Zhanzhi Jiang; Su Kong Chong; Peng Zhang; Kang-Lung Wang; Keji Lai; |
| 998 | Nanoscale Quantum Imaging of Magnetic Domains in Noncollinear Antiferromagnet Mn3Sn Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Recently, non-collinear antiferromagnets have attracted immense interest owning to their topologically protected band structure, non-collinear magnetic order, and spontaneous time-reversal symmetry breaking. As a prominent material candidate of this family, Mn 3Sn has been the subject of intensive research, showing rich fundamental physics as well as enormous technological promise for practical applications. |
Senlei Li; Gerald Yan; Hanyi Lu; Mengqi Huang; Yuxuan Xiao; Luke Wernert; Jeffrey Brock; Eric Fullerton; Hua Chen; Hailong Wang; Chunhui Du; |
| 999 | Imaging Magnetic Domain Structure in Ferromagnetic Kagome Co3Sn2S2 By Magnetic Force Microscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we conducted comprehensive magnetic imaging study on Co 3Sn 2S 2 single crystals by using variable temperature magnetic force microscopy (MFM) across the A-phase. |
Tien-Ming Chuang; Tsuei-Shin Wu; Paul Malinowski; Jiun-Haw Chu; |
| 1000 | Defect-driven Competition Between The Interlayer Magnetic Interactions in MnSb2Te4 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Based on the quantitative analysis using linear spin wave theory and classical atomistic spin dynamics simulations, we propose a scheme of anti-site defect-driven competition between the FM and AF interlayer interactions in MST, and discuss the implication of anti-site mixing in Mn(Bi,Sb) 2Te 4 and Mn-doped Bi 2Te 3 magnetic TIs. |
Bing Li; Simon Riberolles; Tianxiong Han; Daniel Pajerowski; Jiaqiang Yan; Robert McQueeney; |