Journal
NANOSCALE
Volume 4, Issue 15, Pages 4443-4446Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2nr30823a
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Funding
- National Science Foundation [PREM DMR-0934142]
- Air Force Office of Scientific Research [FA9550-10-1-0254]
- Direct For Education and Human Resources
- Division Of Human Resource Development [1137751] Funding Source: National Science Foundation
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [0934142] Funding Source: National Science Foundation
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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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