Dirac cones and minigaps for graphene on Ir(111).

@article{Pletikosi2009DiracCA,
  title={Dirac cones and minigaps for graphene on Ir(111).},
  author={I. Pletikosi{\'c} and M. Kralj and P. Pervan and R. Brako and J. Coraux and A. N’Diaye and C. Busse and T. Michely},
  journal={Physical review letters},
  year={2009},
  volume={102 5},
  pages={
          056808
        }
}
  • I. Pletikosić, M. Kralj, +5 authors T. Michely
  • Published 2009
  • Physics, Medicine
  • Physical review letters
  • Epitaxial graphene on Ir(111) prepared in excellent structural quality is investigated by angle-resolved photoelectron spectroscopy. It clearly displays a Dirac cone with the Dirac point shifted only slightly above the Fermi level. The moiré resulting from the overlaid graphene and Ir(111) surface lattices imposes a superperiodic potential giving rise to Dirac cone replicas and the opening of minigaps in the band structure. 

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