Layer-resolved conductivities in multilayer graphenes
arXiv:1108.3159 · doi:10.1103/PhysRevB.85.033403
Abstract
We study interlayer transport of multilayer graphenes in magnetic field with various stacking structures (AB, ABC, and AA types) by calculating the Hall and longitudinal conductivities as functions of Fermi energy. Their behavior depends strongly on the stacking structures and selection of the layers. The Hall conductivity between different layers is no longer quantized. Moreover, for AB stacking, the interlayer conductivity vanishes around zero energy with increasing layer separation, and shows negative values in particular cases. The fact that longitudinal interlayer conductivity suppressed by the magnetic field indicates that this system can be applied as a switching device.
5 pages, 3 figures
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