Van der Waals Topological Materials: Moire Materials and Topological Magnets

Presentations

• Correlation-driven Topological Phase Diagram of Twisted MoTe₂

  ORAL · Invited

  March 20, 2025, 11:00 AM – March 20, 2025, 11:36 AM

  Publication: 1. Observation of Fractionally Quantized Anomalous Hall Effect, H. Park et al., Nature 622, 74–79 (2023)<br>2. Ferromagnetism and Topology of the Higher Flat Band in a Fractional Chern Insulator, H. Park et al., arXiv:2406.09591 (2024)

  Presenters

  • Heonjoon Park

    University of Washington

  Authors

  • Heonjoon Park

    University of Washington

  View abstract →

• Inducing topological flat bands in bilayer graphene with electric and magnetic superlattices

  ORAL

  March 20, 2025, 11:36 AM – March 20, 2025, 11:48 AM

  Publication: D. Seleznev, J. Cano, and D. Vanderbilt, "Inducing topological flat bands in bilayer graphene with electric and magnetic superlattices," arXiv:2407.13758 (2024).

  Presenters

  • Daniel Seleznev

    Rutgers University

  Authors

  • Daniel Seleznev

    Rutgers University

  • Jennifer Cano

    Stony Brook University

  • David Vanderbilt

    Rutgers University

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• Topological Hall signal at high magnetic fields in the bulk antiferromagnet Co_0.65Fe_2.35GaTe₂

  ORAL

  March 20, 2025, 11:48 AM – March 20, 2025, 12:00 PM

  Presenters

  • Shyam Raj Karullithodi

    Florida State University, National High Magnetic Field Laboratory

  Authors

  • Shyam Raj Karullithodi

    Florida State University, National High Magnetic Field Laboratory

  • Vadym Kulichenko

    Florida State University, National High Magnetic Field Laboratory

  • Luis M Balicas

    National High Magnetic Field Laboratory, Florida State University, National High Magnetic Field Laboratory

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• Hidden orbital Rashba effect-induced large anomalous Hall effect in topological ferromagnet Fe₃GeTe₂

  ORAL

  March 20, 2025, 12:00 PM – March 20, 2025, 12:12 PM

  Presenters

  • Mijin Lim

    University of Illinois at Urbana-Champaign

  Authors

  • Mijin Lim

    University of Illinois at Urbana-Champaign

  • Byeonghyeon Choi

    Pohang Univ of Sci & Tech

  • Dongwook Go

    Forschungszentrum Jülich GmbH

  • Kyoo Kim

    Rutgers University, New Brunswick, Korea Atomic Energy Research Institute

  • Hyun-Woo Lee

    Pohang Univ of Sci & Tech

  View abstract →

• MBE growth and STM study of thin-layer Bi₂Te₃ on two-dimensional magnetic Fe₃GeTe₂

  ORAL

  March 20, 2025, 12:12 PM – March 20, 2025, 12:24 PM

  Presenters

  • Wentao Yang

    Fudan University

  Authors

  • Wentao Yang

    Fudan University

  • Yadong Jiang

    Fudan University

  • Tianzhen Zhang

    Fudan University

  • Leiyuan Chen

    Fudan University

  • Yiming Wei

    Fudan University

  • Yajun Yan

    University of science and technology of china, University of Science and Technology of China

  • Jing Wang

    Fudan University

  • Tong Zhang

    Fudan University, Fudan Univ

  • donglai feng

    university of science and technology of china, University of Science and Technology of China, USTC, ShanghaiTech University, Fudan Univ, Shanghai Tech University, University of Science and Technology in China

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• Theory of Enhanced T_C and Magnetic Anisotropy in Topological Insulator-Ferromagnetic Insulator Heterostructures

  ORAL

  March 20, 2025, 12:24 PM – March 20, 2025, 12:36 PM

  Publication: Y. Ou, M. Mirzhalilov et al., arXiv:2312.15028. <br>M. Mirzhalilov, H. Chi, J. Moodera, N. Trivedi and M. Randeria (in preparation)

  Presenters

  • Murod Mirzhalilov

    Ohio State University

  Authors

  • Murod Mirzhalilov

    Ohio State University

  • Hang Chi

    University of Ottawa

  • Jagadeesh S Moodera

    Massachusetts Institute of Technology

  • Nandini Trivedi

    Ohio State University

  • Mohit Randeria

    Ohio State University

  View abstract →

• Oral: Unveiling the Giant Nernst Angle in van der Waals Magnet Cr_1.25Te₂

  ORAL

  March 20, 2025, 12:36 PM – March 20, 2025, 12:48 PM

  Presenters

  • OLUWATOBILOBA E OLAJUMOKE

    Michigan State University

  Authors

  • Shuvankar Gupta

    Michigan State University

  • OLUWATOBILOBA E OLAJUMOKE

    Michigan State University

  • Yaz Ozbek

    Michigan State University, MSU

  • Mingyu Xu

    Michigan State University

  • Weiwei Xie

    Michigan State University

  • Pengpeng Zhang

    Michigan State University

  • Xianglin Ke

    Michigan State University

  View abstract →

• Half-quantized anomalous Hall effect up to 10 K in proximity-coupled topological insulator/ferromagnet van der Waals bilayers

  ORAL

  March 20, 2025, 12:48 PM – March 20, 2025, 1:00 PM

  Publication: Jain, R. et. al "A quantized anomalous Hall effect above 4.2 K in stacked topological insulator/magnet bilayers". Science.

  Presenters

  • Matthew Roddy

    Cornell University

  Authors

  • Matthew Roddy

    Cornell University

  • Rakshit Jain

    Cornell University

  • Vishakha Gupta

    Yale University

  • Benjamin Shuyu Huang

    Cornell University

  • Hasan M Sayeed

    University of Utah

  • Husain F Alnaser

    University of Utah

  • Amit Vashist

    University of Utah

  • Kenji Watanabe

    National Institute for Materials Science, NIMS, Research Center for Functional Materials, National Institute for Materials Science, Research Center for Electronic and Optical Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan, Research Center for Functional Materials, National Institute of Material Science, Tsukuba, Japan, National Institute of Materials Science, Advanced Materials Laboratory, National Institute for Materials Science

  • Takashi Taniguchi

    National Institute for Materials Science, International Center for Materials Nanoarchitectonics, National Institute for Materials Science, Research Center for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan, International Center for Materials Nanoarchitectonics, National Institute of Material Science, Tsukuba, Japan, Advanced Materials Laboratory, National Institute for Materials Science

  • Vikram V Deshpande

    University of Utah

  • Taylor D Sparks

    University of Utah

  • Daniel C Ralph

    Cornell University

  View abstract →

• Experimental study of intrinsic photocurrents in a 2D magnet

  ORAL

  March 20, 2025, 1:00 PM – March 20, 2025, 1:12 PM

  Presenters

  • Zumeng Huang

    Boston College

  Authors

  • Zumeng Huang

    Boston College

  • Mohammad Yahyavi

    Nanyang Technological University

  • Anyuan Gao

    Harvard University

  • Yufei Liu

    Harvard University

  • Tiema Qian

    Los Alamos National Lab

  • Kenji Watanabe

    National Institute for Materials Science, NIMS, Research Center for Functional Materials, National Institute for Materials Science, Research Center for Electronic and Optical Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan, Research Center for Functional Materials, National Institute of Material Science, Tsukuba, Japan, National Institute of Materials Science, Advanced Materials Laboratory, National Institute for Materials Science

  • Takashi Taniguchi

    National Institute for Materials Science, International Center for Materials Nanoarchitectonics, National Institute for Materials Science, Research Center for Materials Nanoarchitectonics, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan, International Center for Materials Nanoarchitectonics, National Institute of Material Science, Tsukuba, Japan, Advanced Materials Laboratory, National Institute for Materials Science

  • Ni Ni

    University of California, Los Angeles

  • Su-Yang Xu

    Harvard University

  • Guoqing Chang

    Nanyang Technological University

  • Qiong Ma

    Boston College

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• Giant anomalous Hall effect in a Luttinger-compensated topological ferrimagnet UOTe

  ORAL

  March 20, 2025, 1:12 PM – March 20, 2025, 1:24 PM

  Presenters

  • Thao H Dinh

    Harvard University

  Authors

  • Thao H Dinh

    Harvard University

  • Mengke Liu

    Harvard University

  • Sougata Mardanya

    Howard University

  • Suk Hyun Sung

    University of Michigan

  • Christopher Broyles

    Washington University, St. Louis

  • Sheng Ran

    Washington University, St. Louis

  • Ismail El Baggari

    Harvard University, The Rowland Institute at Harvard, The Rowland Institute at Harvard, Harvard University, Cambridge, MA, USA

  • Jennifer E Hoffman

    Harvard University

  • Sugata Chowdhury

    Howard University

  • Kai Sun

    University of Michigan

  • Philip Kim

    Harvard University

  • Su-Yang Xu

    Harvard University

  View abstract →

• UOTe: Kondo-interacting topological antiferromagnet in a van der Waals lattice

  ORAL

  March 20, 2025, 1:24 PM – March 20, 2025, 1:36 PM

  Presenters

  • Christopher Broyles

    Washington University, St. Louis

  Authors

  • Christopher Broyles

    Washington University, St. Louis

  • Sougata Mardanya

    Howard University

  • Mengke Liu

    Harvard University

  • Junyeong Ann

    Harvard University

  • Thao H Dinh

    Harvard University

  • Gadeer Alqasseri

    Howard University, Howard university

  • Jalen Garner

    Howard University

  • Zackary R Rehfuss

    Washington University, St. Louis

  • Ken Guo

    Washington University, St. Louis

  • Jiahui Zhu

    Washington University, St. Louis

  • David Martinez

    Washington University, St. Louis, Washington University at St. Louis

  • Du Li

    Washington University, St. Louis

  • Yiqing Hao

    Oak Ridge National Laboratory

  • Huibo Cao

    Oak Ridge National Laboratory

  • Weiwei Xie

    Michigan State University

  • Tai Kong

    University of Arizona

  • Li Yang

    Washington University, St. Louis

  • Ashvin Vishwanath

    Harvard University

  • Philip Kim

    Harvard University

  • Su-Yang Xu

    Harvard University

  • Jennifer E Hoffman

    Harvard University

  • Jonathan D Denlinger

    Lawrence Berkeley National Laboratory, Advanced Light Source, Lawrence Berkeley National Laboratory

  • Sugata Chowdhury

    Howard University

  • Sheng Ran

    Washington University, St. Louis

  View abstract →

• Magnetization induced in-plane Anomalous Hall effect in a topological semimetal coupled with a ferromagnet

  ORAL

  March 20, 2025, 1:36 PM – March 20, 2025, 1:48 PM

  Presenters

  • I-Hsuan Kao

    Carnegie Mellon University

  Authors

  • I-Hsuan Kao

    Carnegie Mellon University

  • Ravi Kumar Bandapelli

    Carnegie Mellon University

  • Zhenhong Cui

    Carnegie Mellon University

  • Junyu Tang

    University of California, Riverside

  • Jian Tang

    Boston College

  • Aalok Tiwari

    Carnegie Mellon University

  • SOUVIK SASMAL

    Carnegie Mellon University

  • Su-Yang Xu

    Harvard University

  • Qiong Ma

    Boston College

  • Ran Cheng

    University of California, Riverside

  • Jyoti Katoch

    Carnegie Mellon University

  • Simranjeet Singh

    Carnegie Mellon University

  View abstract →