Modeling of the Output and Transfer Characteristics of Graphene Field-Effect Transistors

Details Modeling of the Output and Transfer Characteristics of Graphene Field-Effect Transistors Modeling of the Output and Transfer Characteristics of Graphene Field-Effect Transistors

2010-10-19

arxiv.org/abs/1010.4037v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

7 pages, 8 figures

Scientific paper

We obtain the output and transfer characteristics of graphene field-effect transistors by using the charge-control model for the current, based on the solution of the Boltzmann equation in the field-dependent relaxation time approximation. Closed expressions for the conductance, transconductance and saturation voltage are derived. We found good agreement with the experimental data of Meric et al. [Nature Nanotechnology 3, 684 (2008)] without assuming carrier density-dependent velocity saturation.

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