INTEC 05402
INSTITUTO DE DESARROLLO TECNOLOGICO PARA LA INDUSTRIA QUIMICA
Unidad Ejecutora - UE
artículos
Título:
Periodically rippled graphene: growth and spatially resolved electronic structure
Autor/es:
LÓPEZ VÁZQUEZ DE PARGA, A.; CALLEJA, F.; BORCA, B.; PASSEGGI (JR.), M.C.G.; HINAREJOS, J.J.; GUINEA, F.; MIRANDA, R.
Revista:
PHYSICAL REVIEW LETTERS
Editorial:
The American Physical Society
Referencias:
Lugar: Ridge, New York, USA; Año: 2008 vol. 100 p. 568071 - 568074
ISSN:
0031-9007
Resumen:
We grow epitaxial graphene monolayers on Ru(0001) that cover uniformly the substrate over lateral distances larger than several microns. The weakly coupled graphene monolayer is periodically rippled and it shows charge inhomogeneities in the charge distribution. Real space measurements by scanning tunnelling spectroscopy reveal the existence of electron pockets at the higher parts of the ripples, as predicted by a simple theoretical model. We also visualize the geometric and electronic structure of edges of graphene nanoislands.
