期刊
HIGH PRESSURE RESEARCH
卷 29, 期 4, 页码 569-572出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/08957950903421701
关键词
graphene; optical reflectivity; uniaxial strain; eletronic topological transition
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 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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