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Intrinsic magnetic topological insulator phases in the Sb doped MnBi2Te4 bulks and thin flakes

Author

Listed:
  • Bo Chen

    (Nanjing University
    Atomic Manufacture Institute (AMI))

  • Fucong Fei

    (Nanjing University
    Atomic Manufacture Institute (AMI))

  • Dongqin Zhang

    (Nanjing University)

  • Bo Zhang

    (University of Science and Technology of China)

  • Wanling Liu

    (ShanghaiTech University
    Shanghai Institute of Microsystem and Information Technology (SIMIT), Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Shuai Zhang

    (Nanjing University
    Atomic Manufacture Institute (AMI))

  • Pengdong Wang

    (University of Science and Technology of China)

  • Boyuan Wei

    (Nanjing University
    Atomic Manufacture Institute (AMI))

  • Yong Zhang

    (Nanjing University
    Atomic Manufacture Institute (AMI))

  • Zewen Zuo

    (Nanjing University
    Atomic Manufacture Institute (AMI))

  • Jingwen Guo

    (Nanjing University
    Atomic Manufacture Institute (AMI))

  • Qianqian Liu

    (Nanjing University
    Atomic Manufacture Institute (AMI))

  • Zilu Wang

    (Renmin University of China)

  • Xuchuan Wu

    (Renmin University of China)

  • Junyu Zong

    (Nanjing University)

  • Xuedong Xie

    (Nanjing University)

  • Wang Chen

    (Nanjing University)

  • Zhe Sun

    (University of Science and Technology of China)

  • Shancai Wang

    (Renmin University of China)

  • Yi Zhang

    (Nanjing University)

  • Minhao Zhang

    (Nanjing University
    Atomic Manufacture Institute (AMI))

  • Xuefeng Wang

    (Atomic Manufacture Institute (AMI)
    Nanjing University)

  • Fengqi Song

    (Nanjing University
    Atomic Manufacture Institute (AMI))

  • Haijun Zhang

    (Nanjing University)

  • Dawei Shen

    (Shanghai Institute of Microsystem and Information Technology (SIMIT), Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Baigeng Wang

    (Nanjing University)

Abstract

Magnetic topological insulators (MTIs) offer a combination of topologically nontrivial characteristics and magnetic order and show promise in terms of potentially interesting physical phenomena such as the quantum anomalous Hall (QAH) effect and topological axion insulating states. However, the understanding of their properties and potential applications have been limited due to a lack of suitable candidates for MTIs. Here, we grow two-dimensional single crystals of Mn(SbxBi(1-x))2Te4 bulk and exfoliate them into thin flakes in order to search for intrinsic MTIs. We perform angle-resolved photoemission spectroscopy, low-temperature transport measurements, and first-principles calculations to investigate the band structure, transport properties, and magnetism of this family of materials, as well as the evolution of their topological properties. We find that there exists an optimized MTI zone in the Mn(SbxBi(1-x))2Te4 phase diagram, which could possibly host a high-temperature QAH phase, offering a promising avenue for new device applications.

Suggested Citation

  • Bo Chen & Fucong Fei & Dongqin Zhang & Bo Zhang & Wanling Liu & Shuai Zhang & Pengdong Wang & Boyuan Wei & Yong Zhang & Zewen Zuo & Jingwen Guo & Qianqian Liu & Zilu Wang & Xuchuan Wu & Junyu Zong & X, 2019. "Intrinsic magnetic topological insulator phases in the Sb doped MnBi2Te4 bulks and thin flakes," Nature Communications, Nature, vol. 10(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-12485-y
    DOI: 10.1038/s41467-019-12485-y
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    Cited by:

    1. A. Honma & D. Takane & S. Souma & K. Yamauchi & Y. Wang & K. Nakayama & K. Sugawara & M. Kitamura & K. Horiba & H. Kumigashira & K. Tanaka & T. K. Kim & C. Cacho & T. Oguchi & T. Takahashi & Yoichi An, 2023. "Antiferromagnetic topological insulator with selectively gapped Dirac cones," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    2. Yaoxin Li & Yongchao Wang & Zichen Lian & Hao Li & Zhiting Gao & Liangcai Xu & Huan Wang & Rui’e Lu & Longfei Li & Yang Feng & Jinjiang Zhu & Liangyang Liu & Yongqian Wang & Bohan Fu & Shuai Yang & Lu, 2024. "Fabrication-induced even-odd discrepancy of magnetotransport in few-layer MnBi2Te4," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    3. Hari Padmanabhan & Maxwell Poore & Peter K. Kim & Nathan Z. Koocher & Vladimir A. Stoica & Danilo Puggioni & Huaiyu Wang & Xiaozhe Shen & Alexander H. Reid & Mingqiang Gu & Maxwell Wetherington & Seng, 2022. "Interlayer magnetophononic coupling in MnBi2Te4," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    4. Haiming Deng & Lukas Zhao & Kyungwha Park & Jiaqiang Yan & Kamil Sobczak & Ayesha Lakra & Entela Buzi & Lia Krusin-Elbaum, 2022. "Topological surface currents accessed through reversible hydrogenation of the three-dimensional bulk," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    5. Junhyeon Jo & Jung Hwa Kim & Choong H. Kim & Jaebyeong Lee & Daeseong Choe & Inseon Oh & Seunghyun Lee & Zonghoon Lee & Hosub Jin & Jung-Woo Yoo, 2022. "Defect-gradient-induced Rashba effect in van der Waals PtSe2 layers," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    6. Nikolaj Roth & Andrew L. Goodwin, 2023. "Tuning electronic and phononic states with hidden order in disordered crystals," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    7. Su Kong Chong & Chao Lei & Seng Huat Lee & Jan Jaroszynski & Zhiqiang Mao & Allan H. MacDonald & Kang L. Wang, 2023. "Anomalous Landau quantization in intrinsic magnetic topological insulators," Nature Communications, Nature, vol. 14(1), pages 1-8, December.

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