Influence of the Magnetic Field on the Graphene Conductivity

Sergey Viktorovich Kryuchkov, Egor Ivanovich Kukhar

Volgograd State Socio-Pedagogical University, Volgograd, Russia.

DOI: 10.4236/jmp.2012.39129                

Abstract

The transversal conductivity of the gap-modification of the graphene was studied in the cases of weak nonquatizing and quantizing magnetic field. In the case of nonquantizing magnetic field the expression of the current density was derived from the Boltzmann equation. The dependence of conductivity and Hall conductivity on the magnetic field intensity was investigated. In the case of quantizing magnetic field the expression for the graphene transversal magnetoconductivity taking into account the scattering on the acoustic phonons was derived in the Born approximation. The graphene conductivity dependence on the magnetic field intensity was investigated. The graphene conductivity was shown to have the oscillations when the magnetic field intensity changes. The features of the Shubnikov-de Haas oscillations in graphene superlattice are discussed.

Keywords

Graphene; Magnetoconductivity; Magnetic Oscillations; Shubnikov-de Haaz Effect; Graphene Superlattice

Conflicts of Interest

The authors declare no conflicts of interest.

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