Photoelectron spectroscopy of size-selected cluster ions using synchrotron radiation |
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Authors: | Thomas Schramm Gerd Ganteför Andras Bodi Partick Hemberger Thomas Gerber Bernd von Issendorff |
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Institution: | 1. Department of Physics, University of Konstanz, 78457, Constance, Germany 2. Molecular Dynamics Group, Paul Scherrer Institut, PSI, 5232, Villigen, Switzerland 3. Physikalisches Institut, Universit?t Freiburg, 79104, Freiburg, Germany
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Abstract: | A new experimental setup for photoelectron spectroscopy of size-selected cluster ions using synchrotron VUV radiation as generated by the Swiss Light Source is presented. An intense positively charged cluster ion beam is produced in a high-intensity magnetron sputter source. The clusters are subsequently mass selected in a sector magnet. To maximize the residence time of the cluster ions in the ionization region of the velocity map imaging spectrometer, the cluster ion beam is decelerated where it crosses the light beam. First experiments on (MoO3) n + (n = 69 and 59) cluster cations show that the approach is capable of delivering photoelectron spectra of size-selected transition metal cluster ions. |
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