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Direct fission versus sequential evaporation mechanism of sputtered caesium iodide cluster ions |
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| Authors: | Thomas Drewello Rainer Herzschuh Joachim Stach |
| Affiliation: | 1. Hahn-Meitner-Institut Berlin, Bereich S, Abteilung Strahlenchemie, Glienicker Strasse 100, D-14109, Berlin, Germany 2. Universit?t Leipzig, Fachbereich Chemie, Linnéstrasse 3, D-04103, Leipzig, Germany 3. Umweltforschungszentrum Leipzig/Halle, Permoser Strasse 15, D-04318, Leipzig, Germany |
| Abstract: | A triple stage hybrid mass spectrometer was scanned for the trapping of the reaction intermediates of the over-all loss of two CsI-moieties from size-selected caesium iodide cluster ions of the general formula Cs (CsI)+ n . In addition to appropriate MS/MS/MS-methods an electrically floated collision cell has been applied to trap intermediates of unimolecular and collision-induced evaporations. In comparison with other experimental findings the features of the evaporation mechanism are discussed. |
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