Theory of charged impurity scattering in two dimensional graphene

Details Theory of charged impurity scattering in two dimensional graphene Theory of charged impurity scattering in two dimensional graphene

2008-12-10

arxiv.org/abs/0812.1795v1

Solid State Communications 149, 1072 (2009)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Invited review for the graphene special issue of Solid State Communications. Related papers available at http://www.physics.um

Scientific paper

10.1016/j.ssc.2009.02.041

We review the physics of charged impurities in the vicinity of graphene. The long-range nature of Coulomb impurities affects both the nature of the ground state density profile as well as graphene's transport properties. We discuss the screening of a single Coulomb impurity and the ensemble averaged density profile of graphene in the presence of many randomly distributed impurities. Finally, we discuss graphene's transport properties due to scattering off charged impurities both at low and high carrier density.

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