Multiferroics: Optical, Transport, and Nonreciprocal Phenomena

Presentations

• Uncovering the nature of superconductivity in the geometrically frustrated LiTi₂O₄

  ORAL · Invited

  March 18, 2026, 12:00 PM – March 18, 2026, 12:36 PM

  Publication: Z. Hasan et al. "Unconventional polaronic ground state in superconducting LiTi2O4." arXiv preprint arXiv:2505.09762 (2025).

  Presenters

  • Julia A Mundy

    • Harvard University

  Authors

  • Julia A Mundy

    • Harvard University

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• Nonlinear Optical Responses in 2D Multiferroic VOX₂ (X=Cl, Br, I)

  ORAL

  March 18, 2026, 12:36 PM – March 18, 2026, 12:48 PM

  Presenters

  • Chengdong Wang

    • Texas A&M University

  Authors

  • Chengdong Wang

    • Texas A&M University

  • Alex Strasser

    • Texas A&M University College Station

  • Hektor Cissik

    • Texas A&M University

  • Xiaofeng Qian

    • Texas A&M University College Station

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• Optical diode effect at telecom wavelengths in a polar magnet

  ORAL

  March 18, 2026, 12:48 PM – March 18, 2026, 1:00 PM

  Presenters

  • Kevin A Smith

    • University of Tennessee
    • University of Tennessee, Knoxville

  Authors

  • Kevin A Smith

    • University of Tennessee
    • University of Tennessee, Knoxville

  • Yanhong Gu

    • University of Tennessee, Knoxville
    • Brookhaven National Laboratory (BNL)

  • Xianghan Xu

    • University of Minnesota, Twin Cities

  • Heung-Sik Kim

    • Kangwon National University

  • Sang-Wook Cheong

    • Rutgers University

  • Scott A Crooker

    • Los Alamos National Laboratory (LANL)

  • Janice L Musfeldt

    • University of Tennessee

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• Nonreciprocal directional dichroism in rare-earth excitations of chiral Er-containing oxides

  ORAL

  March 18, 2026, 1:00 PM – March 18, 2026, 1:12 PM

  Presenters

  • Daniel Morris

    • University of Tennessee- Knoxville

  Authors

  • Daniel Morris

    • University of Tennessee- Knoxville

  • Kevin A Smith

    • University of Tennessee
    • University of Tennessee, Knoxville

  • Sang-Wook Cheong

    • Rutgers University

  • Choongjae Won

    • Pohang Univ of Sci & Tech

  • Stephen A McGill

    • National High Magnetic Field Laboratory

  • Yanhong Gu

    • Institute of Physics

  • Heung-Sik Kim

    • Kangwon National University

  • Janice L Musfeldt

    • University of Tennessee

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• Hafnia under pressure

  ORAL · Invited

  March 18, 2026, 1:12 PM – March 18, 2026, 1:48 PM

  Publication: "Vibrational fingerprints of ferroelectric HfO2", S. Fan, S. Singh, X. Xu, K. Park, Y. Qi, S. W. Cheong, D. Vanderbilt, K. M. Rabe, and J. L. Musfeldt, npj Quant. Mater. 7, 32 (2022).
  
  "Structural phase purification of bulk HfO2:Y through pressure cycling", J. L. Musfeldt, S. Singh, S. Fan, Y. Gu, X. Xu, S. -W. Cheong, Z. Liu, D. Vanderbilt, and K. M. Rabe, Proceedings of the National Academy of Sciences, 121, e2312571121 (2024).
  
  "Pressure-driven polar orthorhombic to tetragonal phase transition in hafnia at room temperature", J. L. Musfeldt, S. Singh, K. A. Smith, X. Xu, S. -W. Cheong, Z. Liu, D. Vanderbilt, and K. M. Rabe, Chemistry of Materials 37, 1820 (2025).

  Presenters

  • Janice L Musfeldt

    • University of Tennessee

  Authors

  • Janice L Musfeldt

    • University of Tennessee

  • Sobhit Singh

    • University of Rochester
    • Department of Mechanical Engineering, University of Rochester

  • Kevin A Smith

    • University of Tennessee
    • University of Tennessee, Knoxville

  • Yanhong Gu

    • Institute of Physics

  • Xianghan Xu

    • University of Minnesota, Twin Cities

  • Sang-Wook Cheong

    • Rutgers University

  • Zhenxian Liu

    • University of Illinois at Chicago

  • David Vanderbilt

    • Rutgers University

  • Karin M Rabe

    • Rutgers University

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• Current control of spin helicity and nonreciprocal charge transport in a multiferroic conductor

  ORAL

  March 18, 2026, 1:48 PM – March 18, 2026, 2:00 PM

  Publication: Daiki Yamaguchi, Aki Kitaori, Naoto Nagaosa, Yoshinori Tokura, Advanced Materials 37, 2420614 (2025).

  Presenters

  • Daiki Yamaguchi

    • Univ of Tokyo

  Authors

  • Daiki Yamaguchi

    • Univ of Tokyo

  • A. Kitaori

    • Univ of Tokyo
    • Dept. of Appl. Phys. Univ. of Tokyo

  • Naoto Nagaosa

    • RIKEN
    • RIKEN Center for Emergent Matter Science
    • RIKEN, CEMS

  • Yoshinori Tokura

    • The University of Tokyo
    • Univ of Tokyo
    • RIKEN Center for Emergent Matter Science (CEMS), Tokyo College, the University of Tokyo
    • The University of Tokyo, RIKEN
    • University of Tokyo

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• Experimental Evidence for a Polarization Current via its Peltier Effect

  ORAL

  March 18, 2026, 2:00 PM – March 18, 2026, 2:12 PM

  Presenters

  • Delaram Rashadfar

    • Mechanical and Aerospace Engineering at the Ohio State University

  Authors

  • Delaram Rashadfar

    • Mechanical and Aerospace Engineering at the Ohio State University

  • Joseph P Heremans

    • Department of Mechanical and Aerospace Engineering, Materials Science and Engineering, and Physics at the Ohio State University
    • The Ohio State University
    • Ohio State University

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• Pressure-tuned plethora of ferroelectric phases in CuInP₂S₆

  ORAL

  March 18, 2026, 2:12 PM – March 18, 2026, 2:24 PM

  Publication: This work is already submitted to "npj 2D materials and application".

  Presenters

  • Sambridhi Shah

    • University of Tennessee

  Authors

  • Sambridhi Shah

    • University of Tennessee

  • Pegah Mohammadi

    • University of Rochester
    • Department of Mechanical Engineering, University of Rochester

  • Bess G Singidas

    • National Institute of Physics, College of Science, University of the Philippines-Diliman

  • Kevin A Smith

    • University of Tennessee
    • University of Tennessee, Knoxville

  • Yanhong Gu

    • University of Tennessee, Knoxville
    • Brookhaven National Laboratory (BNL)

  • Luther J Langston

    • University of Tennessee
    • University of Tennessee, Knoxville

  • Brian Taylor

    • University of Tennessee- Knoxville
    • University of Tennessee, Knoxville

  • Ryan P Siebenaller

    • Department of Materials Science and Engineering
    • Air Force Research Laboratory

  • Michael Adam Susner

    • Air Force Research Laboratory (AFRL)
    • Materials and Manufacturing Directorate, Air Force Research Laboratory
    • Air Force Research Laboratory

  • Sang-Wook Cheong

    • Rutgers University

  • Hirokazu Kadobayashi

    • Japan Synchrotron Radiation Research Institute (JASRI)
    • Japan Synchrotron Radiation Research Institute

  • Roland V Sarmago

    • National Institute of Physics, College of Science, University of the Philippines-Diliman

  • Zhenxian Liu

    • University of Illinois at Chicago

  • Takahiro Matsuoka

    • Japan Synchrotron Radiation Research Institute (JASRI), Sendai, Miyagi 980-8577, Japan

  • Sobhit Singh

    • University of Rochester
    • Department of Mechanical Engineering, University of Rochester

  • Janice L Musfeldt

    • University of Tennessee

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• First-Principles Insights into Layer-by-Layer Polarization Reversal in van der Waals Ferroelectric CuInP₂S₆

  ORAL

  March 18, 2026, 2:24 PM – March 18, 2026, 2:36 PM

  Publication: Pegah Mohammadi, and Sobhit Singh, Physical Review B 112, 125205 (2025).

  Presenters

  • Pegah Mohammadi

    • University of Rochester
    • Department of Mechanical Engineering, University of Rochester

  Authors

  • Pegah Mohammadi

    • University of Rochester
    • Department of Mechanical Engineering, University of Rochester

  • Sobhit Singh

    • University of Rochester
    • Department of Mechanical Engineering, University of Rochester

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• Pronounced Spin-Lattice Coupling in the Ferroelastic Altermagnet Ca₂Fe₂O₅

  ORAL

  March 18, 2026, 2:36 PM – March 18, 2026, 2:48 PM

  Presenters

  • Xianghan Xu

    • University of Minnesota, Twin Cities

  Authors

  • Xianghan Xu

    • University of Minnesota, Twin Cities

  • Daniel Faragher

    • University of Minnesota, Twin Cities

  • Luca Buiarelli

    • University of Minnesota
    • University of Minnesota, Twin Cities

  • Brayden Lukaskawcez

    • University of Minnesota

  • Sudarshan Sharma

    • University of Minnesota
    • University of Minnesota Twin Cities

  • Richard J Spieker

    • University of Minnesota

  • Martin Greven

    • University of Minnesota
    • University of Minnesota Twin Cities

  • Alexander S. McLeod

    • University of Minnesota, Twin Cities
    • University of Minnesota

  • Turan Birol

    • University of Minnesota
    • University of Minnesota, Twin Cities

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