| Literature DB >> 19257540 |
I Pletikosić1, M Kralj, P Pervan, R Brako, J Coraux, A T N'diaye, C Busse, T Michely.
Abstract
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.Entities:
Year: 2009 PMID: 19257540 DOI: 10.1103/PhysRevLett.102.056808
Source DB: PubMed Journal: Phys Rev Lett ISSN: 0031-9007 Impact factor: 9.161