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Dresden 2003 – scientific programme

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DS: Dünne Schichten

DS 24: Poster

DS 24.44: Poster

Tuesday, March 25, 2003, 14:30–17:00, P2a

Analysis of induvidial PTCDA organic molecules on Si(111)-7x7 — •Nicoleta Nicoara1, J.M. Gómez-Rodríguez1, Javier Méndez1, Bernadett Szücs2, Zoltán Hajnal2, and Thomas Frauenheim21Universidad Autónoma de Madrid, 28049, Spain — 2University of Paderborn, 33098, Germany

Scanning tunneling microscopy has been performed to study the adsorption of individual PTCDA (3,4,9,10-perylene tetracarboxylic-dianhydride) molecules on Si(111)-(7x7) surfaces. The molecular orientation, intramolecular features and bias dependency of the molecule adsorbed at the corner holes site are discussed. The isolated molecule and the adsorption at this specific site is analyzed using a Density-Functional theory based Tight Binding (DFTB) method.

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