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Zero-field Hall effect emerging from a non-Fermi liquid in a collinear antiferromagnet V1/3NbS2

Author

Listed:
  • Mayukh Kumar Ray

    (University of Tokyo
    University of Tokyo
    Government Womens Polytechnic)

  • Mingxuan Fu

    (University of Tokyo
    University of Tokyo)

  • Youzhe Chen

    (Johns Hopkins University
    University of California
    Lawrence Berkeley National Lab)

  • Taishi Chen

    (University of Tokyo
    University of Tokyo
    Southeast University)

  • Takuya Nomoto

    (Tokyo Metropolitan University)

  • Shiro Sakai

    (Hirosawa)

  • Motoharu Kitatani

    (Hirosawa
    University of Hyogo)

  • Motoaki Hirayama

    (Hirosawa
    University of Tokyo)

  • Shusaku Imajo

    (University of Tokyo)

  • Takahiro Tomita

    (University of Tokyo
    University of Tokyo)

  • Akito Sakai

    (University of Tokyo
    University of Tokyo)

  • Daisuke Nishio-Hamane

    (University of Tokyo)

  • Gregory T. McCandless

    (Baylor University)

  • Michi-To Suzuki

    (Osaka Metropolitan University
    Osaka University)

  • Zhijun Xu

    (National Institute of Standards and Technology
    University of Maryland)

  • Yang Zhao

    (National Institute of Standards and Technology
    University of Maryland)

  • Tom Fennell

    (PSI Center for Neutron and Muon Sciences)

  • Yoshimitsu Kohama

    (University of Tokyo
    University of Tokyo)

  • Julia Y. Chan

    (Baylor University)

  • Ryotaro Arita

    (University of Tokyo
    Hirosawa
    University of Tokyo)

  • Collin Broholm

    (Johns Hopkins University
    National Institute of Standards and Technology)

  • Satoru Nakatsuji

    (University of Tokyo
    University of Tokyo
    Johns Hopkins University
    University of Tokyo)

Abstract

Magnetically intercalated transition metal dichalcogenides (TMDs) provide a versatile three-dimensional (3D) material platform to explore quantum phenomena and functionalities that emerge from an intricate interplay among magnetism, band structure, and electronic correlations. Here, we report the observation of a nearly magnetization-free anomalous Hall effect (AHE) accompanied by non-Fermi liquid (NFL) behavior and collinear antiferromagnetism (AFM) in V1/3NbS2. Our single-crystal neutron diffraction measurements identify a commensurate, collinear AFM order formed by intercalated V moments. In the magnetically ordered state, the spontaneous AHE is tenfold greater than expected from empirical scaling with magnetization, and this strongly enhanced AHE arises in the NFL regime that violates the quasiparticle picture. V1/3NbS2 challenges the existing single-particle framework for understanding AHEs based on one-body Berry curvature and highlights the potential of magnetically intercalated TMDs to unveil new electronic functionalities where many-body correlations play a critical role.

Suggested Citation

  • Mayukh Kumar Ray & Mingxuan Fu & Youzhe Chen & Taishi Chen & Takuya Nomoto & Shiro Sakai & Motoharu Kitatani & Motoaki Hirayama & Shusaku Imajo & Takahiro Tomita & Akito Sakai & Daisuke Nishio-Hamane , 2025. "Zero-field Hall effect emerging from a non-Fermi liquid in a collinear antiferromagnet V1/3NbS2," Nature Communications, Nature, vol. 16(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-58476-0
    DOI: 10.1038/s41467-025-58476-0
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