Static charging of graphene and graphite slabs

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buir.contributor.authorÇıracı, Salim
buir.contributor.orcidÇıracı, Salim|0000-0001-8023-9860
dc.citation.epage131908-3en_US
dc.citation.issueNumber13en_US
dc.citation.spage131908-1en_US
dc.citation.volumeNumber98en_US
dc.contributor.authorTopsakal, M.en_US
dc.contributor.authorÇıracı, Salimen_US
dc.date.accessioned2016-02-08T09:53:53Z
dc.date.available2016-02-08T09:53:53Z
dc.date.issued2011en_US
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.departmentDepartment of Physicsen_US
dc.description.abstractThe effect of external static charging of graphene and its flakes are investigated by using first-principles calculations. While the Fermi level of negatively charged graphene rises and then is quickly pinned by the parabolic, nearly free electronlike bands, it moves down readily by removal of electrons from graphene. Excess charges accumulate mainly at both surfaces of graphite slab. Even more remarkable is that Coulomb repulsion exfoliates the graphene layers from both surfaces of positively charged graphite slab. The energy level structure, binding energy, and spin-polarization of specific adatoms adsorbed to a graphene flake can be monitored by charging. © 2011 American Institute of Physics.en_US
dc.identifier.doi10.1063/1.3573806en_US
dc.identifier.issn1476-1122
dc.identifier.urihttp://hdl.handle.net/11693/21983
dc.language.isoEnglishen_US
dc.publisherNature Publishing Groupen_US
dc.relation.isversionofhttp://dx.doi.org/10.1063/1.3573806en_US
dc.source.titleApplied Physics Lettersen_US
dc.subjectCoulomb repulsionsen_US
dc.titleStatic charging of graphene and graphite slabsen_US
dc.typeArticleen_US
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Institute of Materials Science and Nanotechnology (UNAM)
Department of Physics