Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2011-12-19
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
Scientific paper
We comment on a recent article involving carrier transport through graphene on SrTiO3 substrates by considering relative contributions of Coulomb and resonant impurity scattering to graphene resistivity. We establish that charged impurity scattering must dominate graphene transport as the charge neutrality point is approached by lowering the carrier density, and in the higher density regime away from the neutrality point a dual model including both charged impurities and resonant defects gives an excellent description of graphene transport on SrTiO3 substrates.
Li Qiuzi
Sarma Sankar Das
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