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Magnetism-induced topological transition in EuAs3

Author

Listed:
  • Erjian Cheng

    (Fudan University)

  • Wei Xia

    (ShanghaiTech University
    ShanghaiTech Laboratory for Topological Physics)

  • Xianbiao Shi

    (Harbin Institute of Technology
    Harbin Institute of Technology)

  • Hongwei Fang

    (ShanghaiTech University
    University of Chinese Academy of Sciences)

  • Chengwei Wang

    (ShanghaiTech University
    Chinese Academy of Sciences)

  • Chuanying Xi

    (High Magnetic Field Laboratory of the Chinese Academy of Sciences)

  • Shaowen Xu

    (Shanghai University)

  • Darren C. Peets

    (Chinese Academy of Sciences
    Technical University of Dresden)

  • Linshu Wang

    (Fudan University)

  • Hao Su

    (ShanghaiTech University)

  • Li Pi

    (High Magnetic Field Laboratory of the Chinese Academy of Sciences)

  • Wei Ren

    (Shanghai University)

  • Xia Wang

    (ShanghaiTech University)

  • Na Yu

    (ShanghaiTech University)

  • Yulin Chen

    (ShanghaiTech University
    ShanghaiTech Laboratory for Topological Physics
    University of Oxford)

  • Weiwei Zhao

    (Harbin Institute of Technology
    Harbin Institute of Technology)

  • Zhongkai Liu

    (ShanghaiTech University
    ShanghaiTech Laboratory for Topological Physics)

  • Yanfeng Guo

    (ShanghaiTech University)

  • Shiyan Li

    (Fudan University
    Collaborative Innovation Center of Advanced Microstructures
    Shanghai Research Center for Quantum Sciences)

Abstract

The nature of the interaction between magnetism and topology in magnetic topological semimetals remains mysterious, but may be expected to lead to a variety of novel physics. We systematically studied the magnetic semimetal EuAs3, demonstrating a magnetism-induced topological transition from a topological nodal-line semimetal in the paramagnetic or the spin-polarized state to a topological massive Dirac metal in the antiferromagnetic ground state at low temperature. The topological nature in the antiferromagnetic state and the spin-polarized state has been verified by electrical transport measurements. An unsaturated and extremely large magnetoresistance of ~2 × 105% at 1.8 K and 28.3 T is observed. In the paramagnetic states, the topological nodal-line structure at the Y point is proven by angle-resolved photoemission spectroscopy. Moreover, a temperature-induced Lifshitz transition accompanied by the emergence of a new band below 3 K is revealed. These results indicate that magnetic EuAs3 provides a rich platform to explore exotic physics arising from the interaction of magnetism with topology.

Suggested Citation

  • Erjian Cheng & Wei Xia & Xianbiao Shi & Hongwei Fang & Chengwei Wang & Chuanying Xi & Shaowen Xu & Darren C. Peets & Linshu Wang & Hao Su & Li Pi & Wei Ren & Xia Wang & Na Yu & Yulin Chen & Weiwei Zha, 2021. "Magnetism-induced topological transition in EuAs3," Nature Communications, Nature, vol. 12(1), pages 1-9, December.
  • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-26482-7
    DOI: 10.1038/s41467-021-26482-7
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    References listed on IDEAS

    as
    1. Cheng-Long Zhang & Su-Yang Xu & Ilya Belopolski & Zhujun Yuan & Ziquan Lin & Bingbing Tong & Guang Bian & Nasser Alidoust & Chi-Cheng Lee & Shin-Ming Huang & Tay-Rong Chang & Guoqing Chang & Chuang-Ha, 2016. "Signatures of the Adler–Bell–Jackiw chiral anomaly in a Weyl fermion semimetal," Nature Communications, Nature, vol. 7(1), pages 1-9, April.
    2. Yan Zhang & Chenlu Wang & Li Yu & Guodong Liu & Aiji Liang & Jianwei Huang & Simin Nie & Xuan Sun & Yuxiao Zhang & Bing Shen & Jing Liu & Hongming Weng & Lingxiao Zhao & Genfu Chen & Xiaowen Jia & Che, 2017. "Electronic evidence of temperature-induced Lifshitz transition and topological nature in ZrTe5," Nature Communications, Nature, vol. 8(1), pages 1-9, August.
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    Cited by:

    1. Erjian Cheng & Limin Yan & Xianbiao Shi & Rui Lou & Alexander Fedorov & Mahdi Behnami & Jian Yuan & Pengtao Yang & Bosen Wang & Jin-Guang Cheng & Yuanji Xu & Yang Xu & Wei Xia & Nikolai Pavlovskii & D, 2024. "Tunable positions of Weyl nodes via magnetism and pressure in the ferromagnetic Weyl semimetal CeAlSi," Nature Communications, Nature, vol. 15(1), pages 1-10, December.

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