Charge Density Wave and Phonons in Topological Materials

FOCUS · B03 · ID: 2154707

Presentations

  • Exploring structural self-dual twisted kagome metamaterials

    ORAL

    –

    Publication: 1) Dynamics of Self-Dual Kagome Metamaterials and the Emergence of Fragile Topology, Pegah Azizi, Siddhartha Sarkar, Kai Sun, and Stefano Gonella. Phys. Rev. Lett. 130, 156101 – Published 12 April 2023
    2) Fragile Topological States Can Protect Robust Interface Modes, Pegah Azizi, Siddhartha Sarkar, Kai Sun, and Stefano Gonella. Planned to be submitted soon.

    Presenters

    • Pegah Azizi

      University of Minnesota

    Authors

    • Pegah Azizi

      University of Minnesota

    • Siddhartha Sarkar

      The university of Michigan, University of Michigan

    • Kai Sun

      University of Michigan

    • Stefano Gonella

      University of Minnesota

    View abstract →

  • Tuning the electron-phonon coupling in MX<sub>2</sub> system

    ORAL · Invited

    –

    Publication: [1] Yang, H.-Y., Yao, X., Plisson, V., Burch, K. S. & Tafti, F. Evidence of a coupled electron-phonon liquid in NbGe2. Nat. Comm. 12, 5292 (2021).
    [2] Yao, X.*, Plisson, V.*, Wang, Y., et al, Direct Evidence Phonons Produce Anomalously Large Electronic Transport in Topological Semimetals (2023, in review)

    Presenters

    • Xiaohan Yao

      Boston College

    Authors

    • Xiaohan Yao

      Boston College

    • Vincent M Plisson

      Boston College

    • Yaxian Wang

      Institute of Physics, Chinese Academy of Sciences)

    • George Varnavides

      University of California, Los Angeles

    • Alexey Suslov

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

    • David E Graf

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

    • Eun Sang Choi

      National High Magnetic Field Laboratory, National High Magnetic Field Lab, Tallahassee, Florida, NHMFL, MagLab, Florida State University, National High Magnetic Field Laboratory, Florida State University

    • Hung-Yu Yang

      Boston College

    • Yiping Wang

      Boston College

    • Marisa L Romanelli

      University of Illinois at Urbana-Champai, University of Illinois at Urbana-Champaign, Boston College

    • Grant McNamara

      Boston College

    • Birender Singh

      Boston college

    • Gregory T McCandless

      Baylor University

    • Julia Y Chan

      Baylor University

    • Prineha Narang

      College of Letters and Science, University of California, Los Angeles (UCLA), CA, USA., University of California Los Angeles, College of Letters and Science, University of California, Los Angeles (UCLA), UCLA, University of California, Los Angeles, College of Letters and Science, University of California, Los Angeles, Harvard University

    • Fazel Tafti

      Boston College

    • Kenneth S Burch

      Boston College

    View abstract →

  • High field magnetotransport measurements of the Weyl semi-metal and charge density wave compound TaTe<sub>4</sub>

    ORAL

    –

    Publication: A paper is meant to be sent to "Physical Review B", highlighting the main results and conclusions derived from this work.

    Presenters

    • Diego F Silvera Vega

      Universidad de los Andes, Universidad de Los Andes, UNIVERSIDAD DE LOS ANDES

    Authors

    • Diego F Silvera Vega

      Universidad de los Andes, Universidad de Los Andes, UNIVERSIDAD DE LOS ANDES

    • Paula Giraldo-Gallo

      UNIVERSIDAD DE LOS ANDES, Universidad de Los Ande

    • Edwin Herrera-Vasco

      Univ Autonoma de Madrid

    • Shalinee Chikara

      Florida State University

    • Julián Rojas Castillo

      Universidad de los Andes, Universidad de Los Andes

    • José A Galvis

      Universidad del Rosario

    View abstract →

  • In-Plane Anisotropy in the Layered Topological Insulator Ta<sub>2</sub>Ni<sub>3</sub>Te<sub>5</sub> Investigated via TEM and Polarized Raman Spectroscopy

    ORAL

    –

    Presenters

    • Kamal Harrison

      University of Central Florida

    Authors

    • Kamal Harrison

      University of Central Florida

    • Dylan A Jeff

      University of Central Florida

    • Jonathan DeStefano

      University of Washington

    • Olivia Peek

      University of Washington

    • Akihiro Kushima

      University of Central Florida

    • Jiun-Haw Chu

      University of Washington, Department of Physics, University of Washington, Seattle, WA 98105

    • Humberto R Gutierrez

      Univ of South Florida

    • Saiful I Khondaker

      University of Central Florida

    View abstract →

  • Identifying Raman modes in few-layer WS<sub>2</sub> using Polarized Raman Spectroscopy

    ORAL

    –

    Presenters

    • Sabin Gautam

      University of Wyoming

    Authors

    • Sabin Gautam

      University of Wyoming

    • Sabin Gautam

      University of Wyoming

    • Sougata Mardanya

      Howard University, Howard university

    • Joseph McBride

      University of Wyoming

    • John Ackerman

      University of Wyoming

    • Brian M Leonard

      University of Wyoming

    • Sugata Chowdhury

      Howard University

    • Jifa Tian

      University of Wyoming

    View abstract →

  • Witnessing topological spin textures in GdRu<sub>2</sub>Ge<sub>2</sub> centrosymmetric magnet

    ORAL

    –

    Publication: Rathnaweera, D. N.; Winiarski, M. J.; Tran,T.T., Potential skyrmion host centrosymmetric magnet: GdRu2Ge2 (manuscripts in preparation)

    Presenters

    • Dasuni Rathnaweera

      Clemson University

    Authors

    • Dasuni Rathnaweera

      Clemson University

    • Thao T Tran

      Department of Chemistry, Clemson University, Clemson University

    • Michal J Winiarski

      Advanced Materials Center, Faculty of Applied Physics and Mathematics, Gdansk University of Technology ul. Narutowicza 11/12, 80-233 Gdansk, Faculty of Applied Physics and Mathematics and Advanced Materials Center, Gdansk University of Technology, 80-233,Gdansk, Poland

    View abstract →

  • Observation of domain wall in chiral antiferromagnet Mn<sub>3</sub>Sn realized perpendicular magnetization

    ORAL

    –

    Presenters

    • Moeta Tsukamoto

      The University of Tokyo

    Authors

    • Moeta Tsukamoto

      The University of Tokyo

    • Zhewen Xu

      ETH Zurich

    • Tomoya Higo

      The University of Tokyo, University of Tokyo, Univ of Tokyo, Dept. of Phys. Univ. of Tokyo

    • Kouta Kondou

      RIKEN

    • Kento Sasaki

      Dept. of Phys. Univ. of Tokyo

    • Mihiro Asakura

      Dept. of Phys. Univ. of Tokyo

    • Shoya Sakamoto

      The University of Tokyo, ISSP Univ. of Tokyo

    • Pietro Gambardella

      ETH Zurich

    • Shinji Miwa

      The University of Tokyo

    • Yoshichika Otani

      Institute for Solid State Physics, University of Tokyo, Univ of Tokyo-Kashiwanoha, The University of Tokyo

    • Satoru Nakatsuji

      Univesity of Tokyo, University of Tokyo, The University of Tokyo & IQM, Johns Hopkins University, The University of Tokyo

    • Christian L Degen

      ETH Zurich

    • Kensuke Kobayashi

      University of Tokyo, IPI Univ. of Tokyo

    View abstract →

  • Local structure and magnetic order in Magnetic Weyl semimetal Mn<sub>3</sub>Sn

    ORAL

    –

    Presenters

    • Tsung-Han Yang

      Oak Ridge National Laboratory

    Authors

    • Tsung-Han Yang

      Oak Ridge National Laboratory

    • Yuanpeng Zhang

      Oak Ridge National Laboratory

    • Vaclav Petricek

      Czech Academy of Sciences, Institute of Physics, Academy of Science of the Czech Republic

    • Xiaoping Wang

      Oak Ridge National Laboratory

    • Jiaqiang Yan

      Oak Ridge National Laboratory

    • Qiang Zhang

      Oak Ridge National Lab, Oak Ridge National Laboratory

    View abstract →