Trivial and inverted Dirac bands and emergence of quantum spin Hall states in graphene on transition-metal dichalcogenides

URN to cite this document:: urn:nbn:de:bvb:355-epub-348989
DOI to cite this document:: 10.5283/epub.34898

Gmitra, Martin

; Kochan, Denis ; Högl, Petra ; Fabian, Jaroslav

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Date of publication of this fulltext: 28 Nov 2016 15:15

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Abstract

Proximity orbital and spin-orbital effects of graphene on monolayer transition-metal dichalcogenides (TMDCs) are investigated from first-principles. The Dirac band structure of graphene is found to lie within the semiconducting gap of TMDCs for sulfides and selenides, while it merges with the valence band for tellurides. In the former case, the proximity-induced staggered potential gaps and ...