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Berlin 2015 – scientific programme

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O: Fachverband Oberflächenphysik

O 35: Nanostructures at Surfaces

O 35.5: Poster

Tuesday, March 17, 2015, 18:15–21:00, Poster A

Mass selected metal clusters on rare gas films: comparison with free beam data — •Christoph Schröder1, Natalie Miroslawski1, Dominik Wolter1, Matthias Bohlen1, Bernd von Issendorff2, and Heinz Hövel11Fakultät Physik / DELTA, Technische Universität Dortmund, 44221 Dortmund — 2Albert-Ludwigs-Universität Freiburg, Physikalisches Institut, 79104 Freiburg

Mass-selected metal clusters were deposited on rare gas layers in order to investigate the electronic structure of the nanoparticles influenced by the surface. The electron states are analyzed with ultraviolet photoelectron spectroscopy (UPS), using a monochomatic argon discharge lamp with a photon energy of hν=11.6 eV. As a reference we use UPS spectra of clusters measured in a free beam [1,2]. Using investigations of C60 molecules on rare gas films, the quantitative comparison between the spectra for clusters in a free beam and deposited on rare gas is significantly improved.

[1] O. Kostko, PhD-thesis, Albert-Ludwig-Universität Freiburg (2007).

[2] H. Häkkinen, M. Moseler, O. Kostko, N. Morgner, M. A. Hoffmann and B. v. Issendorff, Phys. Rev. Lett. 93, 093401 (2004).

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