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Aharonov–Bohm oscillations in Dirac semimetal Cd3As2 nanowires

Author

Listed:
  • Li-Xian Wang

    (State Key Laboratory for Mesoscopic Physics, Peking University)

  • Cai-Zhen Li

    (State Key Laboratory for Mesoscopic Physics, Peking University)

  • Da-Peng Yu

    (State Key Laboratory for Mesoscopic Physics, Peking University
    Collaborative Innovation Center of Quantum Matter
    Institute of Physics and Electronic Information, Yunnan Normal University)

  • Zhi-Min Liao

    (State Key Laboratory for Mesoscopic Physics, Peking University
    Collaborative Innovation Center of Quantum Matter)

Abstract

Three-dimensional Dirac semimetals, three-dimensional analogues of graphene, are unusual quantum materials with massless Dirac fermions, which can be further converted to Weyl fermions by breaking time reversal or inversion symmetry. Topological surface states with Fermi arcs are predicted on the surface and have been observed by angle-resolved photoemission spectroscopy experiments. Although the exotic transport properties of the bulk Dirac cones have been demonstrated, it is still a challenge to reveal the surface states via transport measurements due to the highly conductive bulk states. Here, we show Aharonov–Bohm oscillations in individual single-crystal Cd3As2 nanowires with low carrier concentration and large surface-to-volume ratio, providing transport evidence of the surface state in three-dimensional Dirac semimetals. Moreover, the quantum transport can be modulated by tuning the Fermi level using a gate voltage, enabling a deeper understanding of the rich physics residing in Dirac semimetals.

Suggested Citation

  • Li-Xian Wang & Cai-Zhen Li & Da-Peng Yu & Zhi-Min Liao, 2016. "Aharonov–Bohm oscillations in Dirac semimetal Cd3As2 nanowires," Nature Communications, Nature, vol. 7(1), pages 1-7, April.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms10769
    DOI: 10.1038/ncomms10769
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    Cited by:

    1. Ziyi Han & Shengqiang Wu & Chun Huang & Fengyuan Xuan & Xiaocang Han & Yinfeng Long & Qing Zhang & Junxian Li & Yuan Meng & Lin Wang & Jiahuan Zhou & Wenping Hu & Jingsi Qiao & Dechao Geng & Xiaoxu Zh, 2024. "Atomically engineering interlayer symmetry operations of two-dimensional crystals," Nature Communications, Nature, vol. 15(1), pages 1-9, December.

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