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Dirac Cones and Minigaps for Graphene on Ir(111) (CROSBI ID 143280)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Pletikosić, Ivo ; Kralj, Marko ; Pervan, Petar ; Brako, Radovan ; Coraux, Johann ; N'Diaye, Alpha T. ; Busse, Carsten ; Michely, Thomas Dirac Cones and Minigaps for Graphene on Ir(111) // Physical review letters, 102 (2009), 5; 056808-1-056808-4. doi: 10.1103/PhysRevLett.102.056808

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

Povezanost rada

Fizika

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