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Room temperature ballistic transport in graphene nanostrips | | D. Gunlycke
; H. M. Lawler
; C. T. White
; | | Date: |
27 Jun 2006 | | Subject: | Mesoscopic Systems and Quantum Hall Effect; Materials Science | | Abstract: | We investigate the electron-phonon coupling and mean-free path in zigzag edge graphene nanostrips (GNSs). Our calculations show both expected similarity with armchair single-wall carbon nanotubes (SWNTs) and suppression of the electron-phonon scattering due to localized edge states. Low-energy acoutic phonon scattering is exponentially small at room temperature due to a large wavevector separation of the scattering channels. Our calculations yield an electron-phonon mean-free path that is proportional to the width of the nanostrip and is of the order of tens of micrometers. | | Source: | arXiv, cond-mat/0606693 | | Services: | Forum | Review | PDF | Favorites | |
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