Light helicity detector based on 2D magnetic semiconductor CrI3

Xing Cheng; Zhixuan Cheng; Cong Wang; Minglai Li; Pingfan Gu; Shiqi Yang; Yanping Li; Kenji Watanabe; Takashi Taniguchi; Wei Ji; Lun Dai

doi:10.1038/s41467-021-27218-3

Nature Communications (Nov 2021)

Light helicity detector based on 2D magnetic semiconductor CrI3

Xing Cheng,
Zhixuan Cheng,
Cong Wang,
Minglai Li,
Pingfan Gu,
Shiqi Yang,
Yanping Li,
Kenji Watanabe,
Takashi Taniguchi,
Wei Ji,
Lun Dai

Affiliations

Xing Cheng: State Key Lab for Artificial Microstructure & Mesoscopic Physics and Frontiers Science Center for Nano-optoelectronics, School of Physics, Peking University
Zhixuan Cheng: State Key Lab for Artificial Microstructure & Mesoscopic Physics and Frontiers Science Center for Nano-optoelectronics, School of Physics, Peking University
Cong Wang: Beijing Key Laboratory of Optoelectronic Functional Materials & Micro-Nano Devices, Department of Physics, Renmin University of China
Minglai Li: State Key Lab for Artificial Microstructure & Mesoscopic Physics and Frontiers Science Center for Nano-optoelectronics, School of Physics, Peking University
Pingfan Gu: State Key Lab for Artificial Microstructure & Mesoscopic Physics and Frontiers Science Center for Nano-optoelectronics, School of Physics, Peking University
Shiqi Yang: Academy for Advanced Interdisciplinary Studies, Peking University
Yanping Li: State Key Lab for Artificial Microstructure & Mesoscopic Physics and Frontiers Science Center for Nano-optoelectronics, School of Physics, Peking University
Kenji Watanabe: National Institute for Materials Science, 1-1 Namiki
Takashi Taniguchi: National Institute for Materials Science, 1-1 Namiki
Wei Ji: Beijing Key Laboratory of Optoelectronic Functional Materials & Micro-Nano Devices, Department of Physics, Renmin University of China
Lun Dai: State Key Lab for Artificial Microstructure & Mesoscopic Physics and Frontiers Science Center for Nano-optoelectronics, School of Physics, Peking University

DOI: https://doi.org/10.1038/s41467-021-27218-3
Journal volume & issue: Vol. 12, no. 1
pp. 1 – 6

Abstract

Read online

Two-dimensional magnetic semiconductors hold promise for spin- and valleytronic applications. Here, the authors report the realization of light helicity detectors based on graphene/CrI3 van der Waals heterostructures, exhibiting a photocurrent behaviour determined by the magnetic state of CrI3.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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