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    Quantum spin Hall states in graphene interacting with WS2 or WSe2

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    Type
    Article
    Authors
    Kaloni, Thaneshwor P.
    Kou, L.
    Frauenheim, T.
    Schwingenschlögl, Udo cc
    KAUST Department
    Computational Physics and Materials Science (CPMS)
    Material Science and Engineering Program
    Physical Science and Engineering (PSE) Division
    Date
    2014-12-08
    Permanent link to this record
    http://hdl.handle.net/10754/346975
    
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    Abstract
    In the framework of first-principles calculations, we investigate the structural and electronic properties of graphene in contact with as well as sandwiched between WS2 and WSe2 monolayers. We report the modification of the band characteristics due to the interaction at the interface and demonstrate that the presence of the dichalcogenide results in quantum spin Hall states in the absence of a magnetic field.
    Citation
    Quantum spin Hall states in graphene interacting with WS2 or WSe2 2014, 105 (23):233112 Applied Physics Letters
    Publisher
    AIP Publishing
    Journal
    Applied Physics Letters
    DOI
    10.1063/1.4903895
    arXiv
    arXiv:1412.0749
    Additional Links
    http://scitation.aip.org/content/aip/journal/apl/105/23/10.1063/1.4903895
    ae974a485f413a2113503eed53cd6c53
    10.1063/1.4903895
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Material Science and Engineering Program; Computational Physics and Materials Science (CPMS)

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