Surface entropy of rare-gas clusters

S. Prasalovich, K. Hansen, M. Kjellberg, V. N. Popok, E. E.B. Campbell

Research output: Contribution to journalArticlepeer-review

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Abstract

Abundances of ArN+ and XeN+ clusters produced in a supersonic expansion source are inverted to find relative dissociation energies. The values around the shell and subshell closings at N=55, 71, and 147 differ from theoretical values derived from ground-state energies of Lennard-Jones clusters. A significant part of the difference can be accounted for by the conformational entropies of surface atoms and vacancies.

Original languageEnglish
Article number084317
JournalJournal of Chemical Physics
Volume123
Issue number8
DOIs
StatePublished - 22 Aug 2005

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