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The electronic properties of bilayer graphene

Research output: Contribution to journalJournal article

Published

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Journal publication date19/04/2013
JournalReports on Progress in Physics
Journal number5
Volume76
Number of pages28
Original languageEnglish

Abstract

We review the electronic properties of bilayer graphene, beginning with a description of the tight-binding model of bilayer graphene and the derivation of the effective Hamiltonian describing massive chiral quasiparticles in two parabolic bands at low energies. We take into account five tight-binding parameters of the Slonczewski–Weiss–McClure model of bulk graphite plus intra- and interlayer asymmetry between atomic sites which induce band gaps in the low-energy spectrum. The Hartree model of screening and band-gap opening
due to interlayer asymmetry in the presence of external gates is presented. The
tight-binding model is used to describe optical and transport properties including the integer quantum Hall effect, and we also discuss orbital magnetism, phonons and the influence of strain on electronic properties. We conclude with an overview of electronic interaction effects.