Graphene Conductivity near the Charge Neutral Point

Details Graphene Conductivity near the Charge Neutral Point Graphene Conductivity near the Charge Neutral Point

2011-08-09

arxiv.org/abs/1108.1939v2

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 2 figures - Accepted for publication in Physical Review B

Scientific paper

Disordered Fermi-Dirac distributions are used to model, within a straightforward and essentially phenomenological Boltzmann equation approach, the electron/hole transport across graphene puddles. We establish, with striking experimental support, a functional relationship between the graphene minimum conductivity, the mobility in the Boltzmann regime, and the steepness of the conductivity parabolic profile usually observed through gate-voltage scanning around the charge neutral point.

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