期刊
PHYSICAL REVIEW LETTERS
卷 112, 期 9, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.112.096802
关键词
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资金
- ONR [ONR-N00014-13-1-0321]
- ACS-PRF [53581-DNI5]
- Jeffress Memorial Trust
- Virginia Space Grant Consortium
We formulate a continuum model to study the low-energy electronic structure of heterostructures formed by graphene on a strong three-dimensional topological insulator (TI) for the cases of both commensurate and incommensurate stacking. The incommensurability can be due to a twist angle between graphene and the TI surface or a lattice mismatch between the two systems. We find that the proximity of the TI induces in graphene a strong enhancement of the spin-orbit coupling that can be tuned via the twist angle.
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