Modifications in graphene electron states due to a deposited lattice of Au nanoparticles : density functional calculations.

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MetadadosDescriçãoIdioma
Autor(es): dc.creatorCarara, Sabrina Silva-
Autor(es): dc.creatorBatista, Ronaldo Junio Campos-
Autor(es): dc.creatorChacham, Helio-
Data de aceite: dc.date.accessioned2025-08-21T15:58:18Z-
Data de disponibilização: dc.date.available2025-08-21T15:58:18Z-
Data de envio: dc.date.issued2015-03-13-
Data de envio: dc.date.issued2015-03-13-
Data de envio: dc.date.issued2009-
Fonte completa do material: dc.identifierhttp://www.repositorio.ufop.br/handle/123456789/4623-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1103/PhysRevB.80.115435-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1028904-
Descrição: dc.descriptionWe perform first-principles investigations of two-dimensional, triangular lattices of Au38 nanoparticles deposited on a graphene layer. We find that lattices of thiolate-covered nanoparticles cause electronic structure modifications in graphene such as minigaps, charge transfer, and new Dirac points, but graphene remains metallic. In contrast, for a moderate coverage of nanoparticles __0.2 nm−2_, a lattice of bare _noncovered_ Au nanoparticles may induce periodic deformations on the graphene layer leading to the opening of a band gap of a few tens of meV at the Dirac point, in such a way that a properly charged system might become a semiconductor.-
Formato: dc.formatapplication/pdf-
Idioma: dc.languageen-
Direitos: dc.rightsO periódico Physical Review B permite o arquivamento da versão/PDF do editor no Repositório Institucional. Fonte: Sherpa/Romeo <http://www.sherpa.ac.uk/romeo/search.php?issn=0163-1829>. Acesso em: 03 jan. 2017.-
Título: dc.titleModifications in graphene electron states due to a deposited lattice of Au nanoparticles : density functional calculations.-
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