Transport in disordered graphene nanoribbons

Details Transport in disordered graphene nanoribbons Transport in disordered graphene nanoribbons

2007-05-03

arxiv.org/abs/0705.0532v3

Phys. Rev. B 79, 235132 (2009)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 3 figures. version as published in PRB

Scientific paper

We study electronic transport in graphene nanoribbons with rough edges. We first consider a model of weak disorder that corresponds to an armchair ribbon whose width randomly changes by a single unit cell size. We find that in this case, the low-temperature conductivity is governed by an effective one-dimensional hopping between segments of distinct band structure. We then provide numerical evidence and qualitative arguments that similar behavior also occurs in the limit of strong uncorrelated boundary disorder.

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