Kou L, Wu SC, Felser C, Frauenheim T, Chen C, Yan B (2014)
Publication Type: Journal article
Publication year: 2014
Book Volume: 8
Pages Range: 10448-10454
Journal Issue: 10
DOI: 10.1021/nn503789v
We predict a family of robust two-dimensional (2D) topological insulators in van der Waals heterostructures comprising graphene and chalcogenides BiTeX (X = Cl, Br, and I). The layered structures of both constituent materials produce a naturally smooth interface that is conducive to proximity-induced topological states. First-principles calculations reveal intrinsic topologically nontrivial bulk energy gaps as large as 70-80 meV, which can be further enhanced up to 120 meV by compression. The strong spin-orbit coupling in BiTeX has a significant influence on the graphene Dirac states, resulting in the topologically nontrivial band structure, which is confirmed by calculated nontrivial Z
APA:
Kou, L., Wu, S.-C., Felser, C., Frauenheim, T., Chen, C., & Yan, B. (2014). Robust 2D topological insulators in van der Waals heterostructures. ACS nano, 8(10), 10448-10454. https://doi.org/10.1021/nn503789v
MLA:
Kou, Liangzhi, et al. "Robust 2D topological insulators in van der Waals heterostructures." ACS nano 8.10 (2014): 10448-10454.
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