Abstract
Cluster ions are produced by ion bombardment of thick metal targets and mass selected in a Wien filter. The unimolecular decomposition of Al + n , Cu + n , Mo + n , W + n , and Pb + n is investigated under UHV conditions. The time evolution of the decay allows a glimpse into the cluster formation/fragmentation process. Highly excited metal cluster ions decompose mainly by evaporating single neutral atoms with rates reaching 100%. The collision induced fragmentation (CIF) of stable mass selected metal cluster ions in a low pressure Ar and O2 gas target will be compared to the unimolecular decay.
Dedicated to Professor Dr. N. Riehl on occasion of his 85th birthday
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Begemann, W., Dreihöfer, S., Meiwes-Broer, K.H., Lutz, H.O. (1986). Sputtered Metal Cluster Ions: Unimolecular Decomposition and Collision Induced Fragmentation. In: Träger, F., zu Putlitz, G. (eds) Metal Clusters. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-71571-6_13
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DOI: https://doi.org/10.1007/978-3-642-71571-6_13
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