Modeling of the output and transfer characteristics of graphene field-effect transistors
Scott, Brett W.
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https://hdl.handle.net/2142/24108
Description
Title
Modeling of the output and transfer characteristics of graphene field-effect transistors
Author(s)
Scott, Brett W.
Issue Date
2011-05-25T14:52:23Z
Director of Research (if dissertation) or Advisor (if thesis)
Leburton, Jean-Pierre
Department of Study
Electrical & Computer Eng
Discipline
Electrical & Computer Engr
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
M.S.
Degree Level
Thesis
Keyword(s)
Graphene
high field effect
saturation velocity
simulation
transistors
Abstract
This thesis presents a model that provides 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. The results are in good agreement with the experimental data of Meric et al. [Nature Nanotechnology, vol. 3, p. 684, 2008] without assuming carrier density-dependent velocity saturation.
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