Dirac Cones and Minigaps for Graphene on Ir(111) (CROSBI ID 143280)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Pletikosić, Ivo ; Kralj, Marko ; Pervan, Petar ; Brako, Radovan ; Coraux, Johann ; N'Diaye, Alpha T. ; Busse, Carsten ; Michely, Thomas
engleski
Dirac Cones and Minigaps for Graphene on Ir(111)
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 moire 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.
graphene; iridium; angle resolved photoemission; STM
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Podaci o izdanju
102 (5)
2009.
056808-1-056808-4
objavljeno
0031-9007
10.1103/PhysRevLett.102.056808