Temperature dependence of the diffusive conductivity of bilayer graphene

Shaffique Adam and M. D. Stiles
Phys. Rev. B 82, 075423 – Published 24 August 2010

Abstract

Assuming diffusive carrier transport and employing an effective medium theory, we calculate the temperature dependence of bilayer graphene conductivity due to Fermi-surface broadening as a function of carrier density. We find that the temperature dependence of the conductivity depends strongly on the amount of disorder. In the regime relevant to most experiments, the conductivity is a function of T/T, where T is the characteristic temperature set by disorder. We demonstrate that experimental data taken from various groups collapse onto a theoretically predicted scaling function.

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  • Received 29 December 2009

DOI:https://doi.org/10.1103/PhysRevB.82.075423

Authors & Affiliations

Shaffique Adam and M. D. Stiles

  • Center for Nanoscale Science and Technology, National Institute of Standards and Technology, Gaithersburg, Maryland 20899-6202, USA

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Vol. 82, Iss. 7 — 15 August 2010

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