Effect of uniaxial strain on the reflectivity of graphene

Details Effect of uniaxial strain on the reflectivity of graphene Effect of uniaxial strain on the reflectivity of graphene

2009-12-18

arxiv.org/abs/0912.3616v1

High Press. Res. 29 (2009) 569

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

High Press. Res., to appear

Scientific paper

10.1080/08957950903421701

We evaluate the optical reflectivity for a uniaxially strained graphene single layer between a SiO2 substrate and air. A tight binding model for the band dispersion of graphene is employed. As a function of the strain modulus and direction, graphene may traverse one of several electronic topological transitions, characterized by a change of topology of its Fermi line. This results in features in the conductivity within the optical range, which might be observable experimentally.

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