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Exchange biased anomalous Hall effect driven by frustration in a magnetic kagome lattice

Author

Listed:
  • Ella Lachman

    (University of California
    Lawrence Berkeley National Laboratory)

  • Ryan A. Murphy

    (University of California)

  • Nikola Maksimovic

    (University of California
    Lawrence Berkeley National Laboratory)

  • Robert Kealhofer

    (University of California
    Lawrence Berkeley National Laboratory)

  • Shannon Haley

    (University of California
    Lawrence Berkeley National Laboratory)

  • Ross D. McDonald

    (Los Alamos National Laboratory)

  • Jeffrey R. Long

    (Lawrence Berkeley National Laboratory
    University of California
    University of California)

  • James G. Analytis

    (University of California
    Lawrence Berkeley National Laboratory)

Abstract

Co$$_{3}$$3Sn$$_{2}$$2S$$_{2}$$2 is a ferromagnetic Weyl semimetal that has been the subject of intense scientific interest due to its large anomalous Hall effect. We show that the coupling of this material’s topological properties to its magnetic texture leads to a strongly exchange biased anomalous Hall effect. We argue that this is likely caused by the coexistence of ferromagnetism and geometric frustration intrinsic to the kagome network of magnetic ions, giving rise to spin-glass behavior and an exchange bias.

Suggested Citation

  • Ella Lachman & Ryan A. Murphy & Nikola Maksimovic & Robert Kealhofer & Shannon Haley & Ross D. McDonald & Jeffrey R. Long & James G. Analytis, 2020. "Exchange biased anomalous Hall effect driven by frustration in a magnetic kagome lattice," Nature Communications, Nature, vol. 11(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-14326-9
    DOI: 10.1038/s41467-020-14326-9
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    Cited by:

    1. Heda Zhang & Jahyun Koo & Chunqiang Xu & Milos Sretenovic & Binghai Yan & Xianglin Ke, 2022. "Exchange-biased topological transverse thermoelectric effects in a Kagome ferrimagnet," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    2. Su Kong Chong & Yang Cheng & Huiyuan Man & Seng Huat Lee & Yu Wang & Bingqian Dai & Masaki Tanabe & Ting-Hsun Yang & Zhiqiang Mao & Kathryn A. Moler & Kang L. Wang, 2024. "Intrinsic exchange biased anomalous Hall effect in an uncompensated antiferromagnet MnBi2Te4," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    3. S. X. M. Riberolles & Tyler J. Slade & Tianxiong Han & Bing Li & D. L. Abernathy & P. C. Canfield & B. G. Ueland & P. P. Orth & Liqin Ke & R. J. McQueeney, 2024. "Chiral and flat-band magnetic quasiparticles in ferromagnetic and metallic kagome layers," Nature Communications, Nature, vol. 15(1), pages 1-7, December.

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