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Switchable magnetic bulk photovoltaic effect in the two-dimensional magnet CrI3

Author

Listed:
  • Yang Zhang

    (Max Planck Institute for Chemical Physics of Solids
    Leibniz Institute for Solid State and Materials Research
    Massachusetts Institute of Technology)

  • Tobias Holder

    (Weizmann Institute of Science)

  • Hiroaki Ishizuka

    (University of Tokyo)

  • Fernando Juan

    (Donostia International Physics Center
    Basque Foundation for Science)

  • Naoto Nagaosa

    (RIKEN Center for Emergent Matter Science (CEMS)
    University of Tokyo)

  • Claudia Felser

    (Max Planck Institute for Chemical Physics of Solids)

  • Binghai Yan

    (Weizmann Institute of Science)

Abstract

The bulk photovoltaic effect (BPVE) rectifies light into the dc current in a single-phase material and attracts the interest to design high-efficiency solar cells beyond the pn junction paradigm. Because it is a hot electron effect, the BPVE surpasses the thermodynamic Shockley–Queisser limit to generate above-band-gap photovoltage. While the guiding principle for BPVE materials is to break the crystal centrosymmetry, here we propose a magnetic photogalvanic effect (MPGE) that introduces the magnetism as a key ingredient and induces a giant BPVE. The MPGE emerges from the magnetism-induced asymmetry of the carrier velocity in the band structure. We demonstrate the MPGE in a layered magnetic insulator CrI3, with much larger photoconductivity than any previously reported results. The photocurrent can be reversed and switched by controllable magnetic transitions. Our work paves a pathway to search for magnetic photovoltaic materials and to design switchable devices combining magnetic, electronic, and optical functionalities.

Suggested Citation

  • Yang Zhang & Tobias Holder & Hiroaki Ishizuka & Fernando Juan & Naoto Nagaosa & Claudia Felser & Binghai Yan, 2019. "Switchable magnetic bulk photovoltaic effect in the two-dimensional magnet CrI3," Nature Communications, Nature, vol. 10(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-11832-3
    DOI: 10.1038/s41467-019-11832-3
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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. Masakazu Matsubara & Takatsugu Kobayashi & Hikaru Watanabe & Youichi Yanase & Satoshi Iwata & Takeshi Kato, 2022. "Polarization-controlled tunable directional spin-driven photocurrents in a magnetic metamaterial with threefold rotational symmetry," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    3. Longjun Xiang & Hao Jin & Jian Wang, 2024. "Quantifying the photocurrent fluctuation in quantum materials by shot noise," Nature Communications, Nature, vol. 15(1), pages 1-8, December.
    4. Daniel Kaplan & Tobias Holder & Binghai Yan, 2023. "General nonlinear Hall current in magnetic insulators beyond the quantum anomalous Hall effect," Nature Communications, Nature, vol. 14(1), pages 1-7, December.

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