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Electronic structure and excited state dynamics of clusters: What can we learn from experiments with synchrotron radiation?

By Thomas Möller, A. R. B. De Castro, Klaus von Haeften, A. Kolmakov, Tim Laarmann, O. Löfken, C. Nowak, F. Picucci, M. Riedler, C. Rienecker, A. Wark and M. Wolff

Abstract

Metadata only entryThe investigation of the electronic structure and dynamics of clusters is a topic of current interest. Spectroscopy with vacuum ultraviolet (VUV) photons has two aspects: (i) systems with a large band gap can be studied and (ii) excitation of inner shell electrons allows us to obtain element-specific information. This paper gives an overview of recent developments in the field of cluster research with VUV radiation. Two topics will be discussed in detail: (i) Electronic excitation and relaxation dynamics in helium clusters studied with fluorescence spectroscopy. It turned out that desorption of electronically excited atoms and molecules is an important relaxation process. (ii) Inner shell photoionisation of NaCl clusters produced with a new pick-up cluster source. The near edge absorption structure (XANES) at the Cl 2p edge contains information on the geometric structure of the clusters

Topics: Synchrotron radiation, Clusters, Fluorescence, Photoionisation, Desorption
Publisher: Elsevier
Year: 1999
DOI identifier: 10.1016/S0368-2048(98)00444-7
OAI identifier: oai:lra.le.ac.uk:2381/9671
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