Physics – Condensed Matter – Materials Science
Scientific paper
2003-03-28
Physics
Condensed Matter
Materials Science
pdf 15 pages, 4 figures, accepted for publication: Surface Science
Scientific paper
10.1016/S0039-6028(03)00507-7
We present the growth morphology, the long range ordering, and the evolution of the valence band electronic states of ultra-thin films of copper phthalocyanine (CuPc) deposited on the Au(110)-(1x2) reconstructed surface, as a function of the organic molecule coverage. The Low Energy Electron Diffraction (LEED) patterns present a (5x3) reconstruction from the early adsorption stages. High-Resolution UV photoelectron spectroscopy (HR-UPS) data show the disappearance of the Au surface states related to the (1x2) reconstruction, and the presence of new electronic features related to the molecule-substrate interaction and to the CuPc molecular states. The CuPc highest occupied molecular orbital (HOMO) gradually emerges in the valence band, while the interface electronic states are quenched, upon increasing the coverage.
Betti M. G.
Corradini V.
Donzello M. P.
Evangelista F.
Mariani C.
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