Absence of Edge States in Covalently Bonded Zigzag Edges of Graphene on Ir(111) (CROSBI ID 195943)
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Podaci o odgovornosti
Li, Yan ; Subramaniam, Dinesh ; Atodiresei, Nicolae ; Lazić, Predrag ; Caciuc, Vasile ; Pauly, Christian ; Georgi, Alexander ; Busse, Carsten ; Liebmann, Marcus ; Bluegel, Stefan ; Pratzer, Marc ; Morgenstern, Markus ; Mazzarello, Riccardo
engleski
Absence of Edge States in Covalently Bonded Zigzag Edges of Graphene on Ir(111)
The zigzag edges of graphene on Ir(111) are studied by ab initio simulations and low-temperature scanning tunneling spectroscopy, providing information about their structural, electronic, and magnetic properties. No edge state is found to exist, which is explained in terms of the interplay between a strong geometrical relaxation at the edge and a hybridization of the d orbitals of Ir atoms with the graphene orbitals at the edge.
graphene; nanoribons; electronic properties
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