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Size-dependent barriers for reaction of aluminum cluster ions with oxygen

โœ Scribed by Stephen A. Ruatta; Luke Hanley; Scott L. Aanderson

Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
420 KB
Volume
137
Category
Article
ISSN
0009-2614

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โœฆ Synopsis

Reactions of cooled, size-selected aluminum cluster ions (Al: , n = l-8) with oxygen have been studied at collision energies from 0.15 to 10.0 eV (center-of-mass) under single-collision conditions. With the exception of the atomic ion, all size clusters undergo exoergic reactions which result in extensive fragmentation of the metal cluster framework. Significant energy barriers are found for reaction of all clusters except the dimer. The barrier height increases with cluster size from Al: to Al;, then drops for Al:.

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