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Nano Lett. 2010 Mar 10;10(3):804-8. doi: 10.1021/nl902948m.

Localization of dirac electrons in rotated graphene bilayers.

Author information

1
Laboratoire de Physique Theorique et Modelisation, Universite de Cergy-Pontoise-CNRS, F-95302 Cergy-Pontoise Cedex, France. guy.trambly@u-cergy.fr

Abstract

For Dirac electrons the Klein paradox implies that the confinement is difficult to achieve with an electrostatic potential although it can be of great importance for graphene-based devices. Here, ab initio and tight-binding approaches are combined and show that the wave function of Dirac electrons can be localized in rotated graphene bilayers due to the Moire pattern. This localization of wave function is maximum in the limit of the small rotation angle between the two layers.

PMID:
20121163
DOI:
10.1021/nl902948m
[Indexed for MEDLINE]

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