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...

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Vydáno v:Advanced materials (Weinheim) Ročník 25; číslo 14; s. 1967 - 1972
Hlavní autoři: Li, Yan, Subramaniam, Dinesh, Atodiresei, Nicolae, Lazić, Predrag, Caciuc, Vasile, Pauly, Christian, Georgi, Alexander, Busse, Carsten, Liebmann, Marcus, Blügel, Stefan, Pratzer, Marco, Morgenstern, Markus, Mazzarello, Riccardo
Médium: Journal Article
Jazyk:angličtina
Vydáno: Weinheim WILEY-VCH Verlag 11.04.2013
WILEY‐VCH Verlag
Témata:
Bonding
Covalence
Electronics
Graphene
Graphite - chemistry
Iron - chemistry
Magnetic properties
Microscopy, Scanning Tunneling
Nanostructures - chemistry
Orbitals
Quantum Theory
Scanning tunneling microscopy
Simulation
ISSN:0935-9648, 1521-4095, 1521-4095
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Shrnutí: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.
Bibliografie:istex:469CA2082ADFCB0E032A88BA47C3584A4DBE1402
ark:/67375/WNG-3DB18NNJ-T
ArticleID:ADMA201204539
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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ISSN:0935-9648
1521-4095
1521-4095
DOI:10.1002/adma.201204539