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  3. Artigo de Periódico
Use este identificador para citar o ir al link de este elemento: http://hdl.handle.net/1843/51537
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Campo DCValorIdioma
dc.creatorThaís Chagas Peixoto Silvapt_BR
dc.creatorÂngelo Malachias de Souzapt_BR
dc.creatorMarta Pelcpt_BR
dc.creatorPedro Henrique Rezende Gonçalvespt_BR
dc.creatorIgor de Souza Lana Antoniazzipt_BR
dc.creatorJhon Wilfer González Salazarpt_BR
dc.creatorAndrés Ayuela Fernándezpt_BR
dc.creatorJoão Marcelo Jordão Lopespt_BR
dc.creatorMyriano Henriques de Oliveira Juniorpt_BR
dc.creatorRogério Magalhães Paniagopt_BR
dc.date.accessioned2023-04-04T13:11:34Z-
dc.date.available2023-04-04T13:11:34Z-
dc.date.issued2018-
dc.citation.volume142pt_BR
dc.citation.spage580pt_BR
dc.citation.epage591pt_BR
dc.identifier.doihttps://doi.org/10.1016/j.carbon.2018.10.059pt_BR
dc.identifier.issn1873-3891pt_BR
dc.identifier.urihttp://hdl.handle.net/1843/51537-
dc.description.resumoStructural and electronic properties of bilayer graphene films and nanostructures obtained through the graphitization of SiC(0001) were investigated in this work using scanning tunneling microscopy and spectroscopy. We report on the observation of triangular nanostructures which result from extended stacking faults in the SiC substrate and their effects on graphene layers that are formed on top of them. Spectroscopic measurements revealed distinct electronic responses as a function of the local hydrogen intercalation. Spectroscopic signatures ranging from single- to double-layer graphene, as well as intermediate states were observed as a consequence of the (in)complete hydrogen intercalation process. High resolution topographic scanning tunneling microscopy images at resonant bias voltages inside triangular nanostructures reveal that the bottom layer of the bilayer graphene film is still bonded to the substrate. Therefore, the triangular nanostructures present edges and facets with the coexistence of carbon atoms in sp3 and sp2 hybridizations. Using atomistic calculations we have modeled the local density of states of these objects reproducing their electronic response. The generation of regions with distinct electronic responses is potentially interesting for high-density data storage with hidden bit capabilities.pt_BR
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológicopt_BR
dc.description.sponsorshipFAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas Geraispt_BR
dc.description.sponsorshipCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superiorpt_BR
dc.description.sponsorshipINCT – Instituto nacional de ciência e tecnologia (Antigo Instituto do Milênio)pt_BR
dc.languageengpt_BR
dc.publisherUniversidade Federal de Minas Geraispt_BR
dc.publisher.countryBrasilpt_BR
dc.publisher.departmentICX - DEPARTAMENTO DE FÍSICApt_BR
dc.publisher.initialsUFMGpt_BR
dc.relation.ispartofCarbon-
dc.rightsAcesso Restritopt_BR
dc.subjectGraphenept_BR
dc.subjectScanning tunneling microscopypt_BR
dc.subjectSpectroscopypt_BR
dc.subject.otherGrafenopt_BR
dc.subject.otherMicroscopia de tunelamento de varredurapt_BR
dc.subject.otherAnálise espectralpt_BR
dc.titleSelf-assembled triangular graphene nanostructures: evidence of dual electronic responsept_BR
dc.typeArtigo de Periódicopt_BR
dc.url.externahttps://www.sciencedirect.com/science/article/pii/S0008622318309746pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0001-5688-5985pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-8703-4283pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-0671-4990pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0001-6773-8921pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-0803-6011pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0003-2238-5522pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0001-9611-9556pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0001-5268-1862pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-2404-3879pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-5203-0944pt_BR
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