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Erlangen 2018 – scientific programme

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MO: Fachverband Molekülphysik

MO 17: Posters 2: Cold Molecules and Clusters

MO 17.13: Poster

Wednesday, March 7, 2018, 16:15–18:15, Orangerie

Mass Selected Water Clusters and Solvated Ions for X-Ray Spectroscopy - First Results — •Julius Schwarz, Ivan Baev, Fridtjof Kielgast, and Michael Martins — Institute for Experimental Physics, University Hamburg, Germany

A characterization of the geometric and electronic structure of ionized water clusters and solvated ions is crucial for a detailed understanding of Ionic Solvation and its effects on the reactivity of the solute. Such a characterization can be obtained by studying ionized water clusters and solvated ions in the gas phase using X-Ray spectroscopy. The challenge of supplying an ionized cluster beam can be solved by injecting water molecules into the flowing afterglow regime of Argon plasma to enable formation of the ionized water clusters. The same technique can be used to supply a variety of solvated ions.

Here, we present first results on commissioning a Flowing Afterglow Ion Source to supply mass-selected water clusters and solvated ions to the Photon Ion Spectrometer at PETRA III (PIPE) in Hamburg for characterization by X-Ray spectroscopy. We will report on source design, the flowing afterglow technique, mass spectra of the ion beam, as well as ion current after mass selection.

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