Abstract
Binary alloy clusters A n B m (A, B: Bi, Sb, Pb, Ag, in different compositions) have been generated by simultaneous inert gas condensation of the two vapours. Under suitable condensation conditions the adsorption of single atoms A to clusters B m can be studied. The adsorption probabilities are found to vary with cluster size. The cluster reactivities depend on the number of absorbed foreign atoms. Lead and bismuth clusters are found to be highly reactive in cracking the strongly bound Sb4-tetrahedron. One single interaction channel is found for Pb n /Sb4 (symmetrical dissociation) and three interaction channels are found for Bi n /Sb4 (symmetrical and nonsymmetrical dissociation). Pb- and Bi- clusters have different onset thresholds for dissociative reactivity.
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© 1986 Springer-Verlag Berlin Heidelberg
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Sattler, K. (1986). Binary Metal Alloy Clusters. In: Träger, F., zu Putlitz, G. (eds) Metal Clusters. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-71571-6_19
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DOI: https://doi.org/10.1007/978-3-642-71571-6_19
Publisher Name: Springer, Berlin, Heidelberg
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