How doping configuration affects electron transport in monolayer zigzag graphene nanoribbon

The electrical conductance of hybrid monolayer graphene/h-BN ribbon with zigzag edges is numerically investigated using density functional theory. Our findings reveal that transmission of graphene/h-BN hybrid structure is sensitive to the arrangement of its component. The result also shows that repl...

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Published inPhysica. E, Low-dimensional systems & nanostructures Vol. 108; pp. 244 - 248
Main Authors Jamaati, Maryam, Panahi, S.F.K.S., Namiranian, Afshin
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.04.2019
Subjects
Density functional theory
Doping configuration
Electronic transport
Graphene/h-BN hybrid
Density functional theory
Graphene/h-BN hybrid
Doping configuration
Electronic transport
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Summary:The electrical conductance of hybrid monolayer graphene/h-BN ribbon with zigzag edges is numerically investigated using density functional theory. Our findings reveal that transmission of graphene/h-BN hybrid structure is sensitive to the arrangement of its component. The result also shows that replacing carbon atoms with boron and nitrogen totally reduces the transmission. Three different arrangement of BN domains have been investigated: replacing carbon atoms with boron and nitrogen in the transport direction, perpendicular to the transport direction and diagonal direction. We find that combination of many factors such as edge effect, additional charge carrier, interface of BN and carbon domains can alter transmission significantly.
ISSN:1386-9477
1873-1759
DOI:10.1016/j.physe.2018.12.035