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Formation of dispersive hybrid bands at an organic-metal interface

AutorGonzález-Lakunza, N.; Fernández-Torrente, I.; Franke, K. J.; Lorente, Nicolás ; Arnau, Andrés ; Pascual, José I.
Palabras claveElectrical properties of polymers; organic compounds (thin films)
Surface structure of polymers and organic materials
Materials science
Fecha de publicación17-abr-2008
EditorAmerican Physical Society
CitaciónPhysical Review Letters 100: 156805 (2008)
ResumenAn electronic band with quasi-one-dimensional dispersion is found at the interface between a monolayer of a charge-transfer complex (TTF-TCNQ) and a Au(111) surface. Combined local spectroscopy and numerical calculations show that the band results from a complex mixing of metal and molecular states. The molecular layer folds the underlying metal states and mixes with them selectively, through the TTF component, giving rise to anisotropic hybrid bands. Our results suggest that, by tuning the components of such molecular layers, the dimensionality and dispersion of organic-metal interface states can be engineered.
Descripción4 pp.-- PACS: 73.61.Ph, 68.35.bm, 68.37.Ef
Versión del editorhttp://dx.doi.org/10.1103/PhysRevLett.100.156805
URIhttp://hdl.handle.net/10261/7295
DOI10.1103/PhysRevLett.100.156805
ISSN0031-9007
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