Gate-controlled conductance through bilayer graphene ribbons

Details Gate-controlled conductance through bilayer graphene ribbons Gate-controlled conductance through bilayer graphene ribbons

2010-08-19

arxiv.org/abs/1008.3255v1

Phys. Rev. B 83, 205402 (2011)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 5 figures included

Scientific paper

10.1103/PhysRevB.83.205402

We study the conductance of a biased bilayer graphene flake with monolayer nanoribbon contacts. We find that the transmission through the bilayer ribbon strongly depends on the applied bias between the two layers and on the relative position of the monolayer contacts. Besides the opening of an energy gap on the bilayer, the bias allows to tune the electronic density on the bilayer flake, making possible the control of the electronic transmission by an external parameter.

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