Abstract
Earlier experiments [Eur. Phys. J. D 43, 241 (2007)] investigating the production of aluminium cluster dianions have been extended to larger cluster sizes for the purpose of producing higher charge states. Polyanions are produced using the “electron-bath technique" which involves the exposure of monoanionic clusters to a bath of low-energy secondary electrons. In this contribution the production of Aln 3- is investigated as a function of cluster size. Relative trianion yields (number of trianions produced relative to the number of precursor anions) were observed to increase from a few percent up to 55% within ~30 cluster sizes. The observed appearance size (n = 103) is in reasonable agreement with the predictions of classical models.
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Walsh, N., Martinez, F., Marx, G. et al. Multiply negatively charged aluminium clusters II.. Eur. Phys. J. D 52, 27–30 (2009). https://doi.org/10.1140/epjd/e2008-00255-3
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DOI: https://doi.org/10.1140/epjd/e2008-00255-3