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Hidden magnetism uncovered in a charge ordered bilayer kagome material ScV6Sn6

Author

Listed:
  • Z. Guguchia

    (Paul Scherrer Institute)

  • D. J. Gawryluk

    (Paul Scherrer Institut)

  • S. Shin

    (Paul Scherrer Institut)

  • Z. Hao

    (Southern University of Science and Technology)

  • C. Mielke III

    (Paul Scherrer Institute
    Universität Zürich)

  • D. Das

    (Paul Scherrer Institute)

  • I. Plokhikh

    (Paul Scherrer Institut)

  • L. Liborio

    (Rutherford Appleton Laboratory)

  • J. Kane Shenton

    (Rutherford Appleton Laboratory)

  • Y. Hu

    (Paul Scherrer Institut)

  • V. Sazgari

    (Paul Scherrer Institute)

  • M. Medarde

    (Paul Scherrer Institut)

  • H. Deng

    (Southern University of Science and Technology)

  • Y. Cai

    (Southern University of Science and Technology)

  • C. Chen

    (Southern University of Science and Technology)

  • Y. Jiang

    (Princeton University)

  • A. Amato

    (Paul Scherrer Institute)

  • M. Shi

    (Paul Scherrer Institut)

  • M. Z. Hasan

    (Princeton University
    Princeton University
    Quantum Science Center)

  • J.-X. Yin

    (Southern University of Science and Technology)

  • R. Khasanov

    (Paul Scherrer Institute)

  • E. Pomjakushina

    (Paul Scherrer Institut)

  • H. Luetkens

    (Paul Scherrer Institute)

Abstract

Charge ordered kagome lattices have been demonstrated to be intriguing platforms for studying the intertwining of topology, correlation, and magnetism. The recently discovered charge ordered kagome material ScV6Sn6 does not feature a magnetic groundstate or excitations, thus it is often regarded as a conventional paramagnet. Here, using advanced muon-spin rotation spectroscopy, we uncover an unexpected hidden magnetism of the charge order. We observe an enhancement of the internal field width sensed by the muon ensemble, which takes place within the charge ordered state. More importantly, the muon spin relaxation rate below the charge ordering temperature is substantially enhanced by applying an external magnetic field. Taken together with the hidden magnetism found in AV3Sb5 (A = K, Rb, Cs) and FeGe kagome systems, our results suggest ubiqitous time-reversal symmetry-breaking in charge ordered kagome lattices.

Suggested Citation

  • Z. Guguchia & D. J. Gawryluk & S. Shin & Z. Hao & C. Mielke III & D. Das & I. Plokhikh & L. Liborio & J. Kane Shenton & Y. Hu & V. Sazgari & M. Medarde & H. Deng & Y. Cai & C. Chen & Y. Jiang & A. Ama, 2023. "Hidden magnetism uncovered in a charge ordered bilayer kagome material ScV6Sn6," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-43503-9
    DOI: 10.1038/s41467-023-43503-9
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    References listed on IDEAS

    as
    1. C. Mielke & D. Das & J.-X. Yin & H. Liu & R. Gupta & Y.-X. Jiang & M. Medarde & X. Wu & H. C. Lei & J. Chang & Pengcheng Dai & Q. Si & H. Miao & R. Thomale & T. Neupert & Y. Shi & R. Khasanov & M. Z. , 2022. "Time-reversal symmetry-breaking charge order in a kagome superconductor," Nature, Nature, vol. 602(7896), pages 245-250, February.
    2. Jia-Xin Yin & Biao Lian & M. Zahid Hasan, 2022. "Topological kagome magnets and superconductors," Nature, Nature, vol. 612(7941), pages 647-657, December.
    3. Chunyu Guo & Carsten Putzke & Sofia Konyzheva & Xiangwei Huang & Martin Gutierrez-Amigo & Ion Errea & Dong Chen & Maia G. Vergniory & Claudia Felser & Mark H. Fischer & Titus Neupert & Philip J. W. Mo, 2022. "Switchable chiral transport in charge-ordered kagome metal CsV3Sb5," Nature, Nature, vol. 611(7936), pages 461-466, November.
    4. Z. Guguchia & J. A. T. Verezhak & D. J. Gawryluk & S. S. Tsirkin & J.-X. Yin & I. Belopolski & H. Zhou & G. Simutis & S.-S. Zhang & T. A. Cochran & G. Chang & E. Pomjakushina & L. Keller & Z. Skrzeczk, 2020. "Tunable anomalous Hall conductivity through volume-wise magnetic competition in a topological kagome magnet," Nature Communications, Nature, vol. 11(1), pages 1-9, December.
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    Cited by:

    1. Yong Hu & Junzhang Ma & Yinxiang Li & Yuxiao Jiang & Dariusz Jakub Gawryluk & Tianchen Hu & Jérémie Teyssier & Volodymyr Multian & Zhouyi Yin & Shuxiang Xu & Soohyeon Shin & Igor Plokhikh & Xinloong H, 2024. "Phonon promoted charge density wave in topological kagome metal ScV6Sn6," Nature Communications, Nature, vol. 15(1), pages 1-9, December.

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