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Hannover 2010 – scientific programme

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A: Fachverband Atomphysik

A 8: Poster I

A 8.12: Poster

Tuesday, March 9, 2010, 16:30–19:00, Lichthof

Resonant 2p X-ray Absorption Spectroscopy of Size Selected Calcium, Scandium, Nickel and Copper Clusters — •Felix Ameseder2, Jochen Rittmann1, Silvia Forin2, Konstantin Hirsch2, Christian Kasigkeit2, Andreas Langenberg1, Jürgen Probst2, Marlene Vogel2, Jörg Wittich2, Vicente Zamudio-Bayer2, Thomas Möller2, Bernd von Issendorff3, and Tobias Lau11Helmholtz-Zentrum Berlin für Materialien und Energie, Institut für Methoden und Instrumentierung der Synchrotronstrahlung, Albert-Einstein-Str. 15, 12489 Berlin — 2Technische Universität Berlin, Institut für Optik und Atomare Physik, Hardenbergstr. 36, 10623 Berlin — 3Universität Freiburg, Fakultät für Physik, Stefan-Meier-Str. 21, 79104 Freiburg

Studies on the 3d transition metals in the past have revealed interesting phenomena, including a so-called ‘anomalous’ branching ratio of the early transition metal atoms and the development of the branching ratio from the atom to the bulk. Here we present the first resonant 2p-3d measurements of size selected calcium, early transition metals (Sc) and later transition metals (Ni, Cu). By means of resonant x-ray absorption spectroscopy on size selected clusters an insight into the development of the electronic structure of calcium (d0), scandium (d1), nickel (d9) and copper (d10) clusters is obtained. A detailed discussion including a comparison between the early transition metal and calcium on the one hand and the late transition metals on the other hand will be given.

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