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Band structure and gaps of triangular graphene superlattices

Publisher

ROYAL SOC
DOI: 10.1098/rsta.2010.0214

Keywords

graphene; superlattices; electronic states

Funding

  1. MICINN (Spain) [FIS2008-00124]
  2. CONSOLIDER [CSD2007-00010]
  3. INDEX/NSF (US)

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The general properties of long wavelength triangular graphene superlattices are studied. It is shown that Dirac points with and without gaps can arise at a number of high-symmetry points of the Brillouin zone. The existence of gaps can lead to insulating behaviour at commensurate fillings. Strain and magnetic superlattices are also discussed.

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