Transmission through a biased graphene bilayer barrier
Johan Nilsson, A. H. Castro Neto, F. Guinea, N. M. R. Peres
Abstract
We study the electronic transmission through a graphene bilayer in the presence of an applied bias between layers. We consider different geometries involving interfaces between both a monolayer and a bilayer and between two bilayers. The applied bias opens a sizable gap in the spectrum inside the bilayer barrier region, thus leading to large changes in the transmission probability and electronic conductance that are controlled by the applied bias.
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