Scattering of charge carriers by point defects in bilayer graphene

Details Scattering of charge carriers by point defects in bilayer graphene Scattering of charge carriers by point defects in bilayer graphene

2007-06-10

arxiv.org/abs/0706.1351v2

Phys. Rev. B76, 073411 (2007)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

final version

Scientific paper

10.1103/PhysRevB.76.073411

Theory of scattering of massive chiral fermions in bilayer graphene by radial symmetric potential is developed. It is shown that in the case when the electron wavelength is much larger than the radius of the potential the scattering cross-section is proportional to the electron wavelength. This leads to the mobility independent on the electron concentration. In contrast with the case of single-layer, neutral and charged defects are, in general, equally relevant for the resistivity of the bilayer graphene.

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