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Dirac and Weyl Semimetal: Material Discovery and Development

FOCUS · M43 · ID: 1097070

Presentations

  • Discovery of strong type-I Weyl semimetal features in an antiferromagnetic full-Heusler compound

    ORAL

    –

    Publication: https://arxiv.org/abs/2208.11412

    Presenters

    • Davide Grassano

      THEOS, EPFL; NCCR MARVEL

    Authors

    • Davide Grassano

      THEOS, EPFL; NCCR MARVEL

    • Luca Binci

      Ecole Polytechnique Federale de Lausanne, THEOS, EPFL; NCCR MARVEL

    • Nicola Marzari

      Ecole Polytechnique Federale de Lausanne, THEOS, EPFL; NCCR MARVEL; LMS, Paul Scherrer Institute, THEOS, EPFL; NCCR MARVEL; LMS, Paul Scherrer Institut, THEOS, EPFL; NCCR, MARVEL; LMS, Paul Scherrer Institut, THEOS, EPFL, THEOS, EPFL; NCCR MARVEL; LSM Paul Scherrer Insitut, THEOS, EPFL; LMS, Paul Scherrer Institut; NCCR MARVEL

    View abstract →

  • Multi-gap Euler topology in materials

    ORAL

    –

    Publication: Nature Commun. 13, 423 (2022)<br>Phys. Rev. B 105, 085115 (2022)<br>Phys. Rev. B 105, L081117 (2022)

    Presenters

    • Bartomeu Monserrat

      University of Cambridge, Univ of Cambridge

    Authors

    • Bartomeu Monserrat

      University of Cambridge, Univ of Cambridge

    • Bo Peng

      Univ of Cambridge, University of Cambridge

    • Siyu Chen

      University of Cambridge

    • Adrien Bouhon

      The University of Cambridge, NORDITA, University of Cambridge

    • Robert-Jan Slager

      Univ of Cambridge, University of Cambridge

    View abstract →

  • Topological Dirac Semimetal BaAuSb

    ORAL

    –

    Presenters

    • Zhixiang Hu

      Brookhaven National Laboratory, Stony Brook University (SUNY)

    Authors

    • Zhixiang Hu

      Brookhaven National Laboratory, Stony Brook University (SUNY)

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  • Tailoring Dirac states in a correlated system by chemical substitution

    ORAL

    –

    Publication: 1- N. Nilforoushan et al., "Moving Dirac nodes by chemical substitution", Proceedings of the National Academy of Sciences,118, e2108617118 (2021)<br>2- N. Nilforoushan et al., "Photoinduced renormalization and electronic screening of quasi-two-dimensional Dirac states in BaNiS2", Physical Review Research, 2, 043397 (2020)<br>3- N. Bittner et al., "Photoinduced Dirac-cone flattening in BaNiS2", Physical Review B, 104, 115138 (2021)<br>4- D. Santos-Cottin et al., "Optical conductivity signatures of open Dirac nodal lines", Physical Review B, 104, 20, (2021)

    Presenters

    • Niloufar Nilforoushan

      a) Laboratoire de Physique des Solides, Université Paris-Saclay, Orsay, France. b) Laboratoire de Physique de l'Ecole Normale Supérieure, Université de Paris, France.

    Authors

    • Niloufar Nilforoushan

      a) Laboratoire de Physique des Solides, Université Paris-Saclay, Orsay, France. b) Laboratoire de Physique de l'Ecole Normale Supérieure, Université de Paris, France.

    • Michele Casula

      Institut de Minéralogie de Physique des Matériaux et de Cosmochimie, Sorbonne Université, Museum National d'Histoire Naturelle, Paris, France, Sorbonne University, IMPMC, UMR 7590 CNRS - Sorbonne Université Paris

    • Adriano Amaricci

      CNR Istituto Officina dei Materiali, CNR Istituto Officina dei Materiali, Trieste, Italy

    • Marco Caputo

      Elettra Sincrotrone Trieste, Area Science Park, Trieste, Italy

    • Evangelos Papalazarou

      Laboratoire de Physique des Solides, Université Paris-Saclay, France

    • Luca Perfetti

      Laboratoire de Physique des Solides, Université Paris-Saclay, France

    • Ivana Vobornik

      CNR-IOM, Trieste, Istituto Officina dei Materiali, Consiglio Nazionale delle Ricerche, Trieste, Italy

    • Pranab Das Kumar

      Advanced Research Initiative for Correlated-Electron Systems (ARiCES), Department of Physics, National University of Singapore

    • Jun Fujii

      CNR-IOM, Trieste, Istituto Officina dei Materiali, Consiglio Nazionale delle Ricerche, Trieste, Italy

    • David Santos-Cottin

      Institut de Minéralogie de Physique des Matériaux et de Cosmochimie, Sorbonne Université, Museum National d'Histoire Naturelle, Paris, France

    • Yannick Klein

      Institut de Minéralogie de Physique des Matériaux et de Cosmochimie, Sorbonne Université, Museum National d'Histoire Naturelle, Paris, France

    • Michele Fabrizio

      International School for Advanced Studies (SISSA), Trieste, Italy

    • Andrea Gauzzi

      Institut de Minéralogie de Physique des Matériaux et de Cosmochimie, Sorbonne Université, Museum National d'Histoire Naturelle, Paris, France

    • Marino Marsi

      Laboratoire de Physique des Solides, Université Paris-Saclay, Orsay, France

    View abstract →

  • Crystal growth of emerging chiral materials Ag<sub>3</sub>AuSe<sub>2</sub> and (Nb<sub>4</sub>Se<sub>15</sub>I<sub>2</sub>)I<sub>2</sub>

    ORAL

    –

    Publication: J. Won, S. Kim, M. Gutierrez-Amigo, S. Bettler, B. Lee, J. Son, T. W. Noh, I. Errea, M. G. Vergniory, P. Abbamonte, F. Mahmood, D. P. Shoemaker. Transport and optical properties of the chiral semiconductor Ag3AuSe2. Z. Anorg. Allg. Chem. 648 [15] e202200055 (2022)

    Presenters

    • Daniel P Shoemaker

      University of Illinois at Urbana-Champaign, University of Illinois

    Authors

    • Daniel P Shoemaker

      University of Illinois at Urbana-Champaign, University of Illinois

    View abstract →

  • BiAs as a Weyl semimetal

    ORAL

    –

    Presenters

    • Muhammad Zubair

      University of Delaware

    Authors

    • Muhammad Zubair

      University of Delaware

    • Shoaib Khalid

      Princeton Plasma Physics Laboratory, Princeton Plasma Physics Laboratory(PPPL), Princeton, NJ, USA

    • Anderson Janotti

      University of Delaware

    View abstract →

  • Double Superconductivity in Topological Nodal-line Semimetal NaAlSi

    ORAL

    –

    Presenters

    • Shinya Uji

      National Institute for Materials Science

    Authors

    • Shinya Uji

      National Institute for Materials Science

    • Takako Konoike

      National Institute for Materials Science

    • Yuya Hattori

      National Institute for Materials Science

    • Taichi Terashima

      National Institute for Materials Science

    • Tamio Oguchi

      Osaka University

    • Takahiro Yamada

      Tohoku University

    • Daigorou Hirai

      Nagoya University

    • Toshiya Ikenobe

      University of Tokyo

    • Zenji Hiroi

      University of Tokyo

    View abstract →

  • ARPES study of f-electron Weyl Semimetal CeCoGe<sub>3</sub>

    ORAL

    –

    Presenters

    • Robert Prater

      University of California, Davis

    Authors

    • Robert Prater

      University of California, Davis

    • Matthew C Staab

      University of California, Davis

    • Sudheer Anand Sreedhar

      University of California, Davis

    • Vsevolod Ivanov

      Lawrence Berkeley National Lab, Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA, Lawrence Berkeley National Laboratory

    • Zihao Shen

      University of California, Davis

    • Valentin Taufour

      UC Davis, University of California, Davis

    • Sergey Y Savrasov

      University of California, Davis

    • Inna M Vishik

      University of California, Davis

    View abstract →

  • An Investigation of Magnetic Alloys of PtTe<sub>2</sub> and PdTe<sub>2</sub> using Angle Resolved Photoemission Spectroscopy (ARPES)

    ORAL

    –

    Publication: [1] Yan, M., et al. Lorentz-violating type-II Dirac fermions in transition metal dichalcogenide PtTe2 . Nat Comm 8, 257 (2017). https://doi.org/10.1038/s41467-017-00280-6<br>[2] Noh, H.-J., et al. (2017). Experimental Realization of Type-II Dirac Fermions in a PdTe2 Superconductor. Phys. Rev. Lett., 119, 016401. doi:10.1103/PhysRevLett.119.016401

    Presenters

    • Derek C Bergner

      California State University, Long Beach

    Authors

    • Derek C Bergner

      California State University, Long Beach

    • Ivan Pelayo

      California State University, Long Beach, Physics and Astronomy, California State University Long Beach

    • Warren L Huey

      The Ohio State University, Department of Chemistry and Biochemistry, Ohio State University, Department of Chemistry University of Ohio, The Ohio State Univ., Ohio State University

    • Archibald . Williams

      The Ohio State University, Department of Chemistry and Biochemistry, Ohio State University, Department of Chemistry University of Ohio, The Ohio State Univ., Ohio State University

    • Ziling Deng

      The Ohio State University, University of Ohio

    • Luca Moreschini

      Lawrence Berkeley National Laboratory

    • Jonathan D Denlinger

      Lawrence Berkeley National Laboratory, Lawrence Berkeley National Laboratory, Berkeley, California

    • Alessandra Lanzara

      University of California, Berkeley

    • Wolfgang E Windl

      Ohio State Univ - Columbus

    • Joshua E Goldberger

      The Ohio State University, Department of Chemistry, University of Ohio

    • Claudia Ojeda-Aristizabal

      California State University, Long Beach

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  • Coexistence of massless and massive Dirac fermion in surface doped black phosphorus near insulator-semimetal phase transition

    ORAL

    –

    Publication: Planned paper: Coexistence of massless and massive Dirac fermion in semi-Dirac systems near topological phase transition

    Presenters

    • Wei Jie Chan

      Singapore University of Technology and Design

    Authors

    • Wei Jie Chan

      Singapore University of Technology and Design

    • Yee Sin Ang

      Singapore University of Technology and Design

    • Lay Kee R Ang

      Singapore University of Technology and Design

    View abstract →