Journal article Nonlinear photovoltaic effects in monolayer semiconductor and layered magnetic material hetero-interface with P- and T-symmetry broken system
Shuichi Asada (author) (Search by this author)
;
Keisuke Shinokita (author) (Search by this author)
;
Kenji Watanabe (author) (Search by this author)
ORCID https://orcid.org/0000-0003-3701-8119
National Institute for Materials Science
SAMURAI NIMS Researchers Directory SAMURAI
ORCID SAMURAI ;
Takashi Taniguchi (author) (Search by this author)
ORCID https://orcid.org/0000-0002-1467-3105
National Institute for Materials Science
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ORCID SAMURAI ;
Kazunari Matsuda (author) (Search by this author)
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Citation
Shuichi Asada, Keisuke Shinokita, Kenji Watanabe, Takashi Taniguchi, Kazunari Matsuda. Nonlinear photovoltaic effects in monolayer semiconductor and layered magnetic material hetero-interface with P- and T-symmetry broken system. Nature Communications. 2025, 16 (1), 4827. https://doi.org/10.1038/s41467-025-58918-9

Description:

(abstract)

The heterointerface created by stacking two nonpolar materials with different inversion and rotational symmetries has attracted much attention because of its unique nonlinear photovoltaic properties caused by spontaneous polarization from viewpoints of fundamental physics and potential applications, such as next-generation solar cells. The topological nonlinear photocurrent properties based on broken symmetries have been revealed from both experimental and theoretical approaches; however, the intriguing topological nonlinear photocurrent in systems with broken time-reversal (T-) symmetry in addition to spatial inversion (P-) symmetry has not been fully explored. Herein, we experimentally investigate the nonlinear photovoltaic responses in a van der Waals heterostructure consisting of a monolayer semiconductor and layered magnetic materials of MoS2/CrPS4 with a P- and T-symmetry broken system. As the shift current occurs along the direction of parallel to P-symmetry broken axis at the interface of MoS2/CrPS4, a spontaneous photocurrent is clearly observed. Moreover, we demonstrate that the spontaneous photocurrent drastically changes according to the magnetic phase of CrPS4 depending on the temperature and external magnetic field. The magnetic phase-dependent spontaneous nonlinear photocurrent provides an emerging platform for studying the nonlinear topological photoresponses in P- and T-symmetry broken systems and the potential application of magnetic controllable photovoltaic devices.

Rights:

Keyword: nonlinear photovoltaic effect
, MoS2/CrPS4
, symmetry breaking


Date published: 2025-05-24

Publisher: Springer Science and Business Media LLC

Journal:

  • Nature Communications (ISSN: 20411723) vol. 16 issue. 1 4827

Funding:

  • MEXT | Japan Society for the Promotion of Science JP20H05664, JP21H05232, JP21H05235, JP21H05233, JP22K18986 and JP23H05469
  • MEXT | Japan Society for the Promotion of Science JP23KJ1381
  • MEXT | Japan Society for the Promotion of Science JP21H01012
  • MEXT | Japan Society for the Promotion of Science JP21H05233
  • MEXT | JST | Core Research for Evolutional Science and Technology JPMJCR24A5
  • MEXT | Japan Science and Technology Agency JPMJFR213K
  • Ministry of Education, Culture, Sports, Science and Technology JPMXP0112101001

Manuscript type: Publisher's version (Version of record)

MDR DOI:

First published URL: https://doi.org/10.1038/s41467-025-58918-9

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Updated at: 2026-04-03 16:03:47 +0900

Published on MDR: 2026-04-04 08:24:46 +0900

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