Multilayer graphene under vertical electric field
Mesoscale and Nanoscale Physics
2011-07-29 v1
Abstract
We study the effect of vertical electric field (E-field) on the electronic properties of multilayer graphene. We show that the effective mass, electron velocity and density-of-state of a bilayer graphene are modified under the E-field. We also study the transformation of the band structure of multilayer graphenes. E-field induces finite (zero) bandgap in the even (odd)-layer ABA-stacking graphene. On the other hand, finite bandgap is induced in all ABC-stacking graphene. We also identify the optimum E-field to obtain the maximum bandgap in the multilayer graphenes. Finally we compare our results with the experimental results of a field-effect-transistor.
Cite
@article{arxiv.1105.4835,
title = {Multilayer graphene under vertical electric field},
author = {S. Bala kumar and Jing Guo},
journal= {arXiv preprint arXiv:1105.4835},
year = {2011}
}
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