Conductivity of graphene with resonant and non-resonant adsorbates
arXiv:1212.3997 · doi:10.1103/PhysRevLett.111.146601
Abstract
We propose a unified description of transport in graphene with adsorbates that fully takes into account localization effects and loss of electronic coherence due to inelastic processes. We focus in particular on the role of the scattering properties of the adsorbates and analyze in detail cases with resonant or non resonant scattering. For both models we identify several regimes of conduction depending on the value of the Fermi energy. Sufficiently far from the Dirac energy and at sufficiently small concentrations the semi-classical theory can be a good approximation. Near the Dirac energy we identify different quantum regimes, where the conductivity presents universal behaviors.
6 pages
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