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Anomalous transport due to Weyl fermions in the chiral antiferromagnets Mn3X, X = Sn, Ge

Author

Listed:
  • Taishi Chen

    (University of Tokyo
    University of Tokyo)

  • Takahiro Tomita

    (University of Tokyo
    CREST, Japan Science and Technology Agency (JST))

  • Susumu Minami

    (University of Tokyo
    RIKEN Center for Emergent Matter Science (CEMS)
    Kanazawa University)

  • Mingxuan Fu

    (University of Tokyo
    University of Tokyo)

  • Takashi Koretsune

    (Tohoku University)

  • Motoharu Kitatani

    (RIKEN Center for Emergent Matter Science (CEMS))

  • Ikhlas Muhammad

    (University of Tokyo)

  • Daisuke Nishio-Hamane

    (University of Tokyo)

  • Rieko Ishii

    (University of Tokyo)

  • Fumiyuki Ishii

    (RIKEN Center for Emergent Matter Science (CEMS)
    Kanazawa University)

  • Ryotaro Arita

    (CREST, Japan Science and Technology Agency (JST)
    RIKEN Center for Emergent Matter Science (CEMS)
    University of Tokyo)

  • Satoru Nakatsuji

    (University of Tokyo
    University of Tokyo
    CREST, Japan Science and Technology Agency (JST)
    Johns Hopkins University)

Abstract

The recent discoveries of strikingly large zero-field Hall and Nernst effects in antiferromagnets Mn3X (X = Sn, Ge) have brought the study of magnetic topological states to the forefront of condensed matter research and technological innovation. These effects are considered fingerprints of Weyl nodes residing near the Fermi energy, promoting Mn3X (X = Sn, Ge) as a fascinating platform to explore the elusive magnetic Weyl fermions. In this review, we provide recent updates on the insights drawn from experimental and theoretical studies of Mn3X (X = Sn, Ge) by combining previous reports with our new, comprehensive set of transport measurements of high-quality Mn3Sn and Mn3Ge single crystals. In particular, we report magnetotransport signatures specific to chiral anomalies in Mn3Ge and planar Hall effect in Mn3Sn, which have not yet been found in earlier studies. The results summarized here indicate the essential role of magnetic Weyl fermions in producing the large transverse responses in the absence of magnetization.

Suggested Citation

  • Taishi Chen & Takahiro Tomita & Susumu Minami & Mingxuan Fu & Takashi Koretsune & Motoharu Kitatani & Ikhlas Muhammad & Daisuke Nishio-Hamane & Rieko Ishii & Fumiyuki Ishii & Ryotaro Arita & Satoru Na, 2021. "Anomalous transport due to Weyl fermions in the chiral antiferromagnets Mn3X, X = Sn, Ge," Nature Communications, Nature, vol. 12(1), pages 1-14, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-020-20838-1
    DOI: 10.1038/s41467-020-20838-1
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    Cited by:

    1. Kouta Kondou & Hua Chen & Takahiro Tomita & Muhammad Ikhlas & Tomoya Higo & Allan H. MacDonald & Satoru Nakatsuji & YoshiChika Otani, 2021. "Giant field-like torque by the out-of-plane magnetic spin Hall effect in a topological antiferromagnet," Nature Communications, Nature, vol. 12(1), pages 1-8, December.
    2. Shijie Xu & Bingqian Dai & Yuhao Jiang & Danrong Xiong & Houyi Cheng & Lixuan Tai & Meng Tang & Yadong Sun & Yu He & Baolin Yang & Yong Peng & Kang L. Wang & Weisheng Zhao, 2024. "Universal scaling law for chiral antiferromagnetism," Nature Communications, Nature, vol. 15(1), pages 1-7, December.
    3. Wenbin Wu & Zeping Shi & Mykhaylo Ozerov & Yuhan Du & Yuxiang Wang & Xiao-Sheng Ni & Xianghao Meng & Xiangyu Jiang & Guangyi Wang & Congming Hao & Xinyi Wang & Pengcheng Zhang & Chunhui Pan & Haifeng , 2024. "The discovery of three-dimensional Van Hove singularity," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    4. Xiaokang Li & Jahyun Koo & Zengwei Zhu & Kamran Behnia & Binghai Yan, 2023. "Field-linear anomalous Hall effect and Berry curvature induced by spin chirality in the kagome antiferromagnet Mn3Sn," Nature Communications, Nature, vol. 14(1), pages 1-7, December.

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