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dc.contributor.authorBiel, Blanca-
dc.contributor.authorCharlier, Jean-Christopher-
dc.contributor.authorRoche, Stephan-
dc.date.accessioned2012-04-25T08:52:22Z-
dc.date.available2012-04-25T08:52:22Z-
dc.date.issued2010-
dc.identifier.citationACS Nano 4(4): 1971-1976 (2010)es_ES
dc.identifier.issn1936-0851-
dc.identifier.urihttp://hdl.handle.net/10261/48889-
dc.description6 páginas.-- et al.es_ES
dc.description.abstractWe present first-principles transport calculations of graphene nanoribbons with chemically reconstructed edge profiles. Depending on the geometry of the defect and the degree of hydrogenation, spectacularly different transport mechanisms are obtained. In the case of monohydrogenated pentagon (heptagon) defects, an effective acceptor (donor) character results in strong electron−hole conductance asymmetry. In contrast, weak backscattering is obtained for defects that preserve the benzenoid structure of graphene. Based on a tight-binding model derived from ab initio calculations, evidence for large conductance scaling fluctuations are found in disordered ribbons with lengths up to the micrometer scale.es_ES
dc.language.isoenges_ES
dc.publisherAmerican Chemical Societyes_ES
dc.rightsclosedAccesses_ES
dc.subjectGraphene nanoribbonses_ES
dc.subjectQuantum transportes_ES
dc.subjectEdge reactivityes_ES
dc.subjectDensity-of-statees_ES
dc.titleQuantum Transport in Graphene Nanoribbons: Effects of Edge Reconstruction and Chemical Reactivityes_ES
dc.typeartículoes_ES
dc.identifier.doi10.1021/nn100028q-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1021/nn100028qes_ES
dc.identifier.e-issn1936-086X-
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