Modeling extended contacts to nanotube and graphene devices

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dc.creatorNemec, Norbert
dc.creatorTomanek, David
dc.creatorCuniberti, Gianaurelio
dc.date2007-11-07
dc.date2008-04-30
dc.date.accessioned2026-07-07T09:35:43Z
dc.date.available2026-07-07T09:35:43Z
dc.descriptionCarrier injection into carbon nanotubes and graphene nanoribbons, contacted by a metal coating over an arbitrary length, is studied by various means: Minimal models allow for exact analytic solutions which can be transferred to the original system with high precision. Microscopic ab initio calculations of the electronic structure at the carbon-metal interface allow us to extract -- for Ti and Pd as contacting materials -- realistic parameters, which are then used in large scale tight-binding models for transport calculations. The results are shown to be robust against nonepitaxially grown electrodes and general disorder at the interface, as well as various refinements of the model.
dc.description13 pages, 13 figures
dc.identifierhttps://arxiv.org/abs/0711.1088
dc.identifierhttp://arxiv.org/abs/0711.1088
dc.identifierPhys. Rev. B 77, 125420 (2008)
dc.identifierdoi:10.1103/PhysRevB.77.125420
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/159921
dc.subjectMesoscale and Nanoscale Physics
dc.titleModeling extended contacts to nanotube and graphene devices
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