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|Title:||Electronic states of CuPc chains on the Au(110) surface||Authors:||Evangelista, Ferdinand
Betti, M. G.
Interface state dispersion
|Issue Date:||Nov-2009||Publisher:||AIP||Abstract:||The electronic properties of Cu-phthalocyanine (CuPc) molecules flatlying along the channels of the Au(110) reconstructed surface have beeninvestigated by means of ultraviolet and x-ray photoelectronspectroscopy. The ordered chains give rise to a highly orderedsingle-layer structure with a (5x3) symmetry. Although from thecore-level analysis not any significant charge transfer between themolecules and the underlying Au surface is observed, the valence bandphotoemission data bring to light CuPc-induced features localized atthe interface. In particular, energy versus momentum dispersion of aninterface state reveals a bandwidth of about 90 meV along the enlargedAu channels, where the CuPc chains are formed, with a defined fivefoldsymmetry well fitting the CuPc intermolecular distance.||URI:||http://hdl.handle.net/2307/313||ISSN:||0021-9606||DOI:||10.1063/1.3257606|
|Appears in Collections:||A - Articolo su rivista|
X_Dipartimento di Fisica 'Edoardo Amaldi'
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