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Robust edge photocurrent response on layered type II Weyl semimetal WTe2

Author

Listed:
  • Qinsheng Wang

    (Beijing Institute of Technology
    Beijing Institute of Technology)

  • Jingchuan Zheng

    (Beijing Institute of Technology
    Beijing Institute of Technology)

  • Yuan He

    (Beijing Institute of Technology
    Beijing Institute of Technology)

  • Jin Cao

    (Beijing Institute of Technology)

  • Xin Liu

    (Peking University)

  • Maoyuan Wang

    (Beijing Institute of Technology)

  • Junchao Ma

    (Peking University)

  • Jiawei Lai

    (Peking University)

  • Hong Lu

    (Peking University)

  • Shuang Jia

    (Peking University
    Collaborative Innovation Center of Quantum Matter)

  • Dayu Yan

    (Institute of Physics, Chinese Academy of Sciences)

  • Youguo Shi

    (Institute of Physics, Chinese Academy of Sciences)

  • Junxi Duan

    (Beijing Institute of Technology
    Beijing Institute of Technology)

  • Junfeng Han

    (Beijing Institute of Technology
    Beijing Institute of Technology)

  • Wende Xiao

    (Beijing Institute of Technology
    Beijing Institute of Technology)

  • Jian-Hao Chen

    (Peking University
    Collaborative Innovation Center of Quantum Matter)

  • Kai Sun

    (University of Michigan)

  • Yugui Yao

    (Beijing Institute of Technology
    Beijing Institute of Technology)

  • Dong Sun

    (Peking University
    Collaborative Innovation Center of Quantum Matter)

Abstract

Photosensing and energy harvesting based on exotic properties of quantum materials and new operation principles have great potential to break the fundamental performance limit of conventional photodetectors and solar cells. Weyl semimetals have demonstrated novel optoelectronic properties that promise potential applications in photodetection and energy harvesting arising from their gapless linear dispersion and Berry field enhanced nonlinear optical effect at the vicinity of Weyl nodes. In this work, we demonstrate robust photocurrent generation at the edge of Td-WTe2, a type-II Weyl semimetal, due to crystalline-symmetry breaking along certain crystal fracture directions and possibly enhanced by robust fermi-arc type surface states. This edge response is highly generic and arises universally in a wide class of quantum materials with similar crystal symmetries. The robust and generic edge current response provides a charge separation mechanism for photosensing and energy harvesting over broad wavelength range.

Suggested Citation

  • Qinsheng Wang & Jingchuan Zheng & Yuan He & Jin Cao & Xin Liu & Maoyuan Wang & Junchao Ma & Jiawei Lai & Hong Lu & Shuang Jia & Dayu Yan & Youguo Shi & Junxi Duan & Junfeng Han & Wende Xiao & Jian-Hao, 2019. "Robust edge photocurrent response on layered type II Weyl semimetal WTe2," Nature Communications, Nature, vol. 10(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-13713-1
    DOI: 10.1038/s41467-019-13713-1
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    Cited by:

    1. Zihan Liang & Xin Zhou & Le Zhang & Xiang-Long Yu & Yan Lv & Xuefen Song & Yongheng Zhou & Han Wang & Shuo Wang & Taihong Wang & Perry Ping Shum & Qian He & Yanjun Liu & Chao Zhu & Lin Wang & Xiaolong, 2023. "Strong bulk photovoltaic effect in engineered edge-embedded van der Waals structures," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    2. Yongheng Zhou & Xin Zhou & Xiang-Long Yu & Zihan Liang & Xiaoxu Zhao & Taihong Wang & Jinshui Miao & Xiaolong Chen, 2024. "Giant intrinsic photovoltaic effect in one-dimensional van der Waals grain boundaries," Nature Communications, Nature, vol. 15(1), pages 1-7, December.
    3. Xiaoyi Xie & Pengliang Leng & Zhenyu Ding & Jinshan Yang & Jingyi Yan & Junchen Zhou & Zihan Li & Linfeng Ai & Xiangyu Cao & Zehao Jia & Yuda Zhang & Minhao Zhao & Wenguang Zhu & Yang Gao & Shaoming D, 2024. "Surface photogalvanic effect in Ag2Te," Nature Communications, Nature, vol. 15(1), pages 1-8, December.
    4. Bumseop Kim & Noejung Park & Jeongwoo Kim, 2022. "Giant bulk photovoltaic effect driven by the wall-to-wall charge shift in WS2 nanotubes," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    5. Yang-Yang Lv & Jinlong Xu & Shuang Han & Chi Zhang & Yadong Han & Jian Zhou & Shu-Hua Yao & Xiao-Ping Liu & Ming-Hui Lu & Hongming Weng & Zhenda Xie & Y. B. Chen & Jianbo Hu & Yan-Feng Chen & Shining , 2021. "High-harmonic generation in Weyl semimetal β-WP2 crystals," Nature Communications, Nature, vol. 12(1), pages 1-8, December.
    6. Lukas Powalla & Jonas Kiemle & Elio J. König & Andreas P. Schnyder & Johannes Knolle & Klaus Kern & Alexander Holleitner & Christoph Kastl & Marko Burghard, 2022. "Berry curvature-induced local spin polarisation in gated graphene/WTe2 heterostructures," Nature Communications, Nature, vol. 13(1), pages 1-8, December.

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