2015
DOI: 10.1016/j.physe.2015.06.016
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Effect of weak disorder on delocalization properties of gapped graphene superlattices

Abstract: We study the effect of weak disorder on the delocalization properties of gapped graphene superlattice (SL) formed by periodically located rectangular potential barriers. We consider two types of the SLs: the SLs with uniform gap and SLs consisting of alternating layers of gapped and gapless graphene regions. Using the perturbative approach we obtain an analytical expression for the inverse localization length (ILL) derived for the case of randomly fluctuating geometric and energetic parameters. In the first ca… Show more

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Cited by 5 publications
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“…β 2 e iηθ j /2 β 2 e −iηθ j /2 α 2 e −iηθ j /2 −α 2 e iηθ j /2 . (9) By applying the transfer matrix method, [32] the transmission coefficient t can be calculated and expressed as the following form: [33,34]…”
Section: Model and Formalismmentioning
confidence: 99%
“…β 2 e iηθ j /2 β 2 e −iηθ j /2 α 2 e −iηθ j /2 −α 2 e iηθ j /2 . (9) By applying the transfer matrix method, [32] the transmission coefficient t can be calculated and expressed as the following form: [33,34]…”
Section: Model and Formalismmentioning
confidence: 99%