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Electronic Properties of Hydrogenated Graphene-Like Materials Under Strains

Published online by Cambridge University Press:  22 May 2014

K. Mihara  and
K. Shintani
K. Mihara
Affiliation:
Department of Mechanical Engineering and Intelligent Systems, University of Electro-Communications, 1-5-1 Chofugaoka, Chofu, Tokyo 182-8585, Japan
K. Shintani
Affiliation:
Department of Mechanical Engineering and Intelligent Systems, University of Electro-Communications, 1-5-1 Chofugaoka, Chofu, Tokyo 182-8585, Japan
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Abstract

The electronic band structures of the hydrogenated graphene-like materials, graphane, silicane, and germanane, under tensile strains are calculated using first-principles calculation. The imposed tensile strain is in either the armchair or zigzag direction in the honeycomb lattice. It is found that the band gap of graphane gradually increases with the increase of the strain, whereas the band gaps of silicane and germanane decrease with the increase of the strain. There is little effect of the direction of the imposed strain on such strain dependences.

Keywords

electronic structurenanostructurehydrogenation
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1658: Symposium RR – Large-Area Graphene and Other 2D-Layered Materials—Synthesis, Properties and Applications , 2014 , mrsf13-1658-rr15-09
Copyright
Copyright © Materials Research Society 2014 

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References

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