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arXiv · 1006.1999

Gap opening in graphene by shear strain

Giulio Cocco·Emiliano Cadelano·Luciano Colombo
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Abstract

We exploit the concept of strain-induced band structure engineering in graphene through the calculation of its electronic properties under uniaxial, shear, and combined uniaxial-shear deformations. We show that by combining shear deformations to uniaxial strains it is possible modulate the graphene energy gap value from zero up to $0.9$ eV. Interestingly enough, the use of a shear component allows for a gap opening at moderate absolute deformation, safely smaller than the graphene failure strain.

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Giulio Cocco, Emiliano Cadelano, Luciano Colombo. 2010-06-10. Gap opening in graphene by shear strain. https://doi.org/10.1103/physrevb.81.241412

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