Room-temperature ballistic transport in narrow graphene strips

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dc.creatorGunlycke, D.
dc.creatorLawler, H. M.
dc.creatorWhite, C. T.
dc.date2006-06-27
dc.date2007-02-21
dc.date.accessioned2026-07-07T07:47:42Z
dc.date.available2026-07-07T07:47:42Z
dc.descriptionWe investigate electron-phonon couplings, scattering rates, and mean free paths in zigzag-edge graphene strips with widths of the order of 10 nm. Our calculations for these graphene nanostrips show both the expected similarity with single-wall carbon nanotubes (SWNTs) and the suppression of the electron-phonon scattering due to a Dirichlet boundary condition that prohibits one major backscattering channel present in SWNTs. Low-energy acoustic phonon scattering is exponentially small at room temperature due to the large phonon wave vector required for backscattering. We find within our model that the electron-phonon mean free path is proportional to the width of the nanostrip and is approximately 70 $μ$m for an 11-nm-wide nanostrip.
dc.description5 pages and 5 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0606693
dc.identifierhttp://arxiv.org/abs/cond-mat/0606693
dc.identifierPHYSICAL REVIEW B 75, 085418 (2007)
dc.identifierdoi:10.1103/PhysRevB.75.085418
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/124256
dc.subjectMesoscale and Nanoscale Physics
dc.subjectMaterials Science
dc.titleRoom-temperature ballistic transport in narrow graphene strips
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