Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2010-03-27
Applied Physics Letters, 96, 123504 (2010).
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
10 pages, 2 figures
Scientific paper
In this work, we investigate the intrinsic limits of subthreshold slope in a dual gated bilayer graphene transistor using a coupled self-consistent Poisson-bandstructure solver. We benchmark the solver by matching the bias dependent bandgap results obtained from the solver against published experimental data. We show that the intrinsic bias dependence of the electronic structure and the self-consistent electrostatics limit the subthreshold slope obtained in such a transistor well above the Boltzmann limit of 60mV/decade at room temperature, but much below the results experimentally shown till date, indicating room for technological improvement of bilayer graphene.
Bhat Navakanta
Lin Yu-Ming
Majumdar Kausik
Murali Kota V. R. M.
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