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説明:

Magnetoresistance (MR) oscillations serve as a hallmark of intrinsic quantum behavior, tradi- tionally only observed in conducting systems. Here we report the discovery of MR oscillations in an insulating system, the vertical junction graphene/CrPS4/graphene where CrPS4 being a two- dimensional (2D) A-type antiferromagnetic semiconductor. Systematic investigations of MR peaks under varying conditions, including magnetic field direction, temperature, voltage bias, and layer number, elucidate a correlation between MR oscillations and spin-canted states in CrPS4. Experi- mental data and analysis point out the important role of the in-gap electronic states in generating MR oscillations, although their precise origin needs further investigations. Our findings not only illuminate the unique electronic transport properties of CrPS4 but also underscore the potential of van der Waals magnets for exploring novel phenomena.

権利情報:

• Creative Commons BY Attribution 4.0 International
  

キーワード: Magnetoresistance oscillations, CrPS4, spin-canted states

刊行年月日: 2024-12-13

出版者: American Physical Society (APS)

掲載誌:

• Physical Review X (ISSN: 21603308) vol. 14 issue. 4 041065

研究助成金:

• Japan Society for the Promotion of Science 23H02052
• Ministry of Education, Culture, Sports, Science and Technology
• Shaanxi Fundamental Science Research Project for Mathematics and Physics 22JSY026
• Shaanxi Fundamental Science Research Project for Mathematics and Physics 23JSQ011
• World Premier International Research Center Initiative
• National Natural Science Foundation of China 12374121
• National Natural Science Foundation of China 12304232
• National Natural Science Foundation of China 12274090
• National Natural Science Foundation of China 92265103
• Natural Science Basic Research Program of Shaanxi Province 2022JC-DW5-02
• Fundamental Research Funds for the Central Universities
• Natural Science Foundation of Shanghai Municipality 22ZR1406300
• National Key Research and Development Program of China 2022YFE0109500
• Japan Society for the Promotion of Science 20H00354

原稿種別: 出版者版 (Version of record)

MDR DOI:

公開URL: https://doi.org/10.1103/physrevx.14.041065

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更新時刻: 2025-02-06 12:30:19 +0900

MDRでの公開時刻: 2025-02-06 12:30:20 +0900