Wednesday, August 8, 2012

1208.1442 (P. V. Ratnikov)

Superlattice Based on Graphene on a Strip Substrate    [PDF]

P. V. Ratnikov
A graphene-based superlattice formed due to the periodic modulation of the band gap has been investigated. Such a modulation is possible in graphene deposited on a strip substrate made of silicon oxide and hexagonal boron nitride. The advantages and some possible problems in the superlattice under consideration are discussed. A model describing such a superlattice is proposed and the dispersion relation between the energy and momentum of carriers has been obtained using the transfer matrix method within this model.
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