FeSe: S Substitution and Spectroscopic Probes

FOCUS · S01 · ID: 2154663

Presentations

  • Unconventional Signatures of a Quantum Griffiths Phase in the Vicinity of a Quenched Nematic Quantum Critical Point

    ORAL · Invited

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    Publication: * P. Reiss, D.E. Graf, A.A. Haghighirad, W. Knafo, L. Drigo, M. Bristow, A.J. Schofield, A.I. Coldea: Quenched nematic criticality and two superconducting domes in an iron-based superconductor. Nature Physics 16, 89-94 (2020). http://www.nature.com/articles/s41567-019-0694-2
    * P. Reiss, D.E. Graf, A.A. Haghighirad, T. Vojta, A.I. Coldea: Signatures of a Quantum Griffiths Phase Close to an Electronic Nematic Quantum Phase Transition. Physical Review Letters 127, 246402 (2021). https://link.aps.org/doi/10.1103/PhysRevLett.127.246402
    * P. Reiss, A. McCollam, Z. Zajicek, A.A. Haghighirad, A.I. Coldea: Collapse of Metallicity and High-Tc Superconductivity in the High-Pressure phase of FeSe0.89S0.11. arXiv:2212.06824

    Presenters

    • Pascal Reiss

      Max Planck Institute for Solid State Research

    Authors

    • Pascal Reiss

      Max Planck Institute for Solid State Research

    • David E Graf

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

    • Amir A Haghighirad

      Karlsruhe Institute of Technology, IQMT, Karlsruhe Institute of Technology

    • Matt Bristow

      University of Oxford

    • Zachary Zajicek

      University of Oxford

    • William Knafo

      LNCMI

    • Andrew Schofield

      Lancaster University

    • Thomas Vojta

      Missouri University of Science & Technol

    • Amalia I Coldea

      University of Oxford

    View abstract →

  • Tuning nematic electronic phases, electronic correlations and shifting the dxy hole band via isoelectronic substitution in FeSe<sub>1-x</sub>S<sub>x</sub> and FeSe<sub>1-x</sub>Te<sub>x</sub>

    ORAL

    –

    Publication: [1]. A. I. Coldea, Frontiers in Phys. 8, 594500 (2021).
    [2]. A. I. Coldea et al., npj Quantum Materials, 4, 2 (2019).
    [3]. M. Watson et al., Phys. Rev. B 92, 121108(R) (2015).
    [4]. P. Reiss et al, Phys. Rev. B 96, 121103(R) (2017).
    [5]. Archie B. Morfoot, T. K. Kim, et al, under review (2023).

    Presenters

    • Amalia I Coldea

      University of Oxford

    Authors

    • Amalia I Coldea

      University of Oxford

    View abstract →

  • Two-fold rotational symmetric Bogoliubov Fermi surface in tetragonal Fe(Se,S

    ORAL

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    Publication: arXiv:2305.15569

    Presenters

    • Yifu Cao

      University of Florida

    Authors

    • Yifu Cao

      University of Florida

    • Chandan Setty

      Rice University

    • Laura Fanfarillo

      Scuola Internazionale Superiore di Studi Avanzati (SISSA)

    • Andreas Kreisel

      Niels Bohr Institute, University of Copenhagen, Niels Bohr Insititute, U. Copenhagen

    • Peter J Hirschfeld

      University of Florida

    View abstract →

  • Visualizing superconductivity mediated by nematic fluctuations in the Fe-based superconductor FeSe<sub>1-x</sub>S<sub>x</sub>: Part 1

    ORAL

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    Publication: P. K. Nag, K. Scott, et al., Superconductivity Mediated by Nematic Fluctuations in Tetragonal FeSe1−xSx (manuscript in preparation)

    Presenters

    • Kirsty Scott

      Yale University

    Authors

    • Kirsty Scott

      Yale University

    • Pranab Kumar Nag

      Yale University

    • Vanuildo Carvalho

      Universidade Federal de Goias, Instituto de Física, Universidade Federal de Goiás, 74.001-970, Goiânia-GO, Brazil, Universidade Federal de Goiás

    • Journey K Byland

      University of California, Davis

    • Xinze Yang

      Yale University

    • Morgan Walker

      University of California, Davis, UC Davis

    • Aaron G Greenberg

      Yale University

    • Peter Klavins

      University of California, Davis

    • Eduardo Miranda

      Gleb Wataghin Institute of Physics, University of Campinas, Campinas, São Paulo 13083-950, Brazil, University of Campinas

    • Adrian Gozar

      Yale University

    • Valentin Taufour

      UC Davis, University of California, Davis

    • Rafael M Fernandes

      University of Minnesota

    • Eduardo H Da Silva Neto

      Yale University

    View abstract →

  • Visualizing superconductivity mediated by nematic fluctuations in the Fe-based superconductor FeSe<sub>1-x</sub>S<sub>x</sub>: Part 2

    ORAL

    –

    Publication: P. K. Nag, K. Scott, et al., Superconductivity Mediated by Nematic Fluctuations in Tetragonal FeSe1−xSx (manuscript in preparation)

    Presenters

    • Pranab Kumar Nag

      Yale University

    Authors

    • Pranab Kumar Nag

      Yale University

    • Kirsty Scott

      Yale University

    • Vanuildo Carvalho

      Universidade Federal de Goias, Instituto de Física, Universidade Federal de Goiás, 74.001-970, Goiânia-GO, Brazil, Universidade Federal de Goiás

    • Journey K Byland

      University of California, Davis

    • Xinze Yang

      Yale University

    • Morgan Walker

      University of California, Davis, UC Davis

    • Aaron G Greenberg

      Yale University

    • Peter Klavins

      University of California, Davis

    • Eduardo Miranda

      Gleb Wataghin Institute of Physics, University of Campinas, Campinas, São Paulo 13083-950, Brazil, University of Campinas

    • Adrian Gozar

      Yale University

    • Valentin Taufour

      UC Davis, University of California, Davis

    • Rafael M Fernandes

      University of Minnesota

    • Eduardo H Da Silva Neto

      Yale University

    View abstract →

  • Study on nematic superconductivity in tetragonal Fe(Se, S) using magnetic torque measurements

    ORAL

    –

    Presenters

    • Kohei Matsuura

      Dept. of Adv. Mater. Sci., Univ. of Tokyo, The University of Tokyo, University of Tokyo

    Authors

    • Kohei Matsuura

      Dept. of Adv. Mater. Sci., Univ. of Tokyo, The University of Tokyo, University of Tokyo

    • Kota Ishihara

      Univ of Tokyo, Dept. of Adv. Mater. Sci., Univ. of Tokyo, University of Tokyo

    • Kohei Matsuura

      Dept. of Appl. Phys., Univ. of Tokyo

    • Supeng Liu

      Dept. of Adv. Mater. Sci., Univ. of Tokyo

    • Yuta Mizukami

      Dep. of Phys., Tohoku Univ., Tohoku University

    • Kenichiro Hashimoto

      The University of Tokyo, Dept. of Adv. Mater. Sci., Univ. of Tokyo, U. Tokyo, Univ. of Tokyo, University of Tokyo

    • Takasada Shibauchi

      University of Tokyo, Dept. of Adv. Mater. Sci., Univ. of Tokyo

    View abstract →