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説明:

The utilization of orbital transport provides a versatile and efficient spin manipulation mechanism. As interest in orbital-mediated spin manipulation grows, we face a new issue to identify the underlying physics that determines the efficiency of orbital torque (OT). In this study, we systematically investigate the variation of OT governed by orbital Rashba-Edelstein effect at the Cu/oxide interface, as we change the oxide material. We find that OT varies by a factor of ∼2, depending on the oxide. Our results suggest that the active electronic interatomic interaction (hopping) between Cu and the oxygen atom is critical in determining OT. This also gives us an idea of what type of material factors is critical in forming a chiral orbital Rashba texture at the Cu/oxide interface.

権利情報:

• In Copyright
  ©2023 American Physical Society

キーワード: spintronics

刊行年月日: 2023-11-22

出版者: American Physical Society (APS)

掲載誌:

• Physical Review Materials (ISSN: 24759953) vol. 7 issue. 11 p. 0-0

研究助成金:

原稿種別: 著者最終稿 (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.4275

公開URL: https://doi.org/10.1103/PhysRevMaterials.7.L111401

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更新時刻: 2024-01-05 22:11:42 +0900

MDRでの公開時刻: 2023-12-01 13:30:20 +0900