Deflection of suspended graphene by a transverse electric field

Details Deflection of suspended graphene by a transverse electric field Deflection of suspended graphene by a transverse electric field

2009-09-18

arxiv.org/abs/0909.3428v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 Figures

Scientific paper

We investigate the electromechanical response of doubly clamped graphene nanoribbons to a transverse gate voltage. An analytical model is developed to predict the field-induced deformation of graphene nanoribbons as a function of field intensity and graphene geometry. This model is validated thought atomistic simulations using the combination of a constitutive charge-dipole model and a pseudo-chemical many-body potential. As a newly observed effect of electric polarization, this field-induced deflection allows the graphene to oscillate at its natural frequency, which is found to decrease dramatically with increasing graphene size.

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