Journal
PHYSICAL REVIEW B
Volume 99, Issue 15, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.99.155402
Keywords
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Funding
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDB28000000]
- MOST of China [2016YFE0110000, 2017YFA0303400]
- Chinese Academy of Sciences [QYZDJ-SSW-SYS001, XXH13506-202, XDPB0603]
- National Key R&D Program of China [2017YFA0303400]
- NSFC [11774021]
- NSFC program for Scientific Research Center [U1530401]
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We find that the bilayer InSe possesses an intrinsic Rashba spin-orbit coupling and hence a spin-charge conversion effect due to the breaking of mirror symmetry. The interplay between the Rashba spin-orbit coupling and the nonparabolic Mexican hat dispersion leads to an interesting intraband Lifshitz transition and strongly amplifies the spin-charge conductivity, making it larger than that in conventional two-dimensional electron gas formed at oxide interfaces. This highlights bilayer InSe as a strong candidate for next-generation spintronic devices.
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