Impurity and edge roughness scattering in armchair graphene nanoribbons: Boltzmann approach
arXiv:1205.6666 · doi:10.1088/0953-8984/24/45/455303
Abstract
The conductivity of armchair graphene nanoribbons in the presence of short-range impurities and edge roughness is studied theoretically using the Boltzmann transport equation for quasi-one-dimensional systems. As the number of occupied subbands increases, the conductivity due to short-range impurities converges towards the two-dimensional case. Calculations of the magnetoconductivity confirm the edge-roughness-induced dips at cyclotron radii close to the ribbon width suggested by the recent quantum simulations.
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