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Electrons in bilayer graphene.

Research output: Contribution to journalJournal article


<mark>Journal publication date</mark>07/2007
<mark>Journal</mark>Solid State Communications
Issue number1-2
Number of pages6
Pages (from-to)110-115
<mark>Original language</mark>English


Electrons in bilayer graphene possess an unusual property: they are chiral quasiparticles characterized by Berry phase 2pi. We review the tight-binding model of bilayer graphene which determines the band structure and low-energy quasiparticle properties of this material and we describe the optical manifestation of the existence of a pair of split-bands and low-energy branches in the bilayer spectrum. Then, we analyze the stability of a bilayer with respect to a ferroelectric transition and we model the self-consistent control of the interlayer asymmetry gap induced by a transverse electric field in a graphene-based field-effect transistor.

Bibliographic note

The final, definitive version of this article has been published in the Journal, Solid State Communications 143 (1-2), 2007, © ELSEVIER.