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  • Title: Band gap opening in methane intercalated graphene.
    Author: Hargrove J, Shashikala HB, Guerrido L, Ravi N, Wang XQ.
    Journal: Nanoscale; 2012 Aug 07; 4(15):4443-6. PubMed ID: 22695708.
    Abstract:
    Recent experimental work has demonstrated production of quasi-free-standing graphene by methane intercalation. The intercalation weakens the coupling of adjacent graphene layers and yields Dirac fermion behaviour of monolayer graphene. We have investigated the electronic characteristics of a methane intercepted graphene bilayer under a perpendicularly applied electric field. Evolution of the band structure of intercalated graphene as a function of the bias is studied by means of density-functional theory including interlayer van der Waals interactions. The implications of controllable band gap opening in methane-intercalated graphene for future device applications are discussed.
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