Absence of Edge States in Covalently Bonded Zigzag Edges of Graphene on Ir(111)

作者：Li Yan; Subramaniam Dinesh; Atodiresei Nicolae; Lazic Predrag; Caciuc Vasile; Pauly Christian; Georgi Alexander; Busse Carsten; Liebmann Marcus; Bluegel Stefan; Pratzer Marco; Morgenstern Markus; Mazzarello Riccardo^*

来源：Advanced Materials, 2013, 25(14): 1967-1972.

DOI：10.1002/adma.201204539

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.

• 出版日期2013-4-11
• 单位MIT