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16 April 2024

» arxiv » 1012.1374

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Dynamical Gap Generation for Graphene Nanoribbons
A. J. Chaves ; G. D. Lima ; W. de Paula ; C. E. Cordeiro ; A. Delfino ; T. Frederico ; O. Oliveira ;
Date:	7 Dec 2010
Abstract:	We show that the assumption of a nontrivial zero bandgap for a graphene sheet within an efective relativistic field theoretical model description of interacting Dirac electrons on the surface of graphene, describes the experimental bandgap of graphene nanoribbons for a wide range of widths. The graphene bandgap is dynamically generated, corresponding to a nontrivial gapless solution, found in the limit of an infinite wide graphene ribbon. The nanoribbon band gap is determined by the experimental graphene work function.
Source:	arXiv, 1012.1374
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