Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2008-12-10
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.
Adam Shaffique
Hwang Euyheon H.
Rossi Elena
Sarma Sankar Das
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