Surface entropy of rare gas clusters

S. Prasalovich; K. Hansen; M. Kjellberg; Vladimir Popok; Eleanor E.B. Campbell

doi:10.1063/1.2008948

Surface entropy of rare gas clusters

S. Prasalovich, K. Hansen, M. Kjellberg, Vladimir Popok, Eleanor E.B. Campbell

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Abstract

Abundances of Ar + and Xe + 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 language	English
Article number	084317
Journal	Journal of Chemical Physics
Volume	123
Issue number	8
Number of pages	10
ISSN	0021-9606
DOIs	https://doi.org/10.1063/1.2008948
Publication status	Published - Sept 2005
Externally published	Yes

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2005JChemPhys_123_Ar&Xe clustersFinal published version, 182 KB

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title = "Surface entropy of rare gas clusters",

abstract = "Abundances of Ar + and Xe + 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 surfaceatoms and vacancies.",

author = "S. Prasalovich and K. Hansen and M. Kjellberg and Vladimir Popok and Campbell, {Eleanor E.B.}",

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T1 - Surface entropy of rare gas clusters

AU - Prasalovich, S.

AU - Hansen, K.

AU - Kjellberg, M.

AU - Popok, Vladimir

AU - Campbell, Eleanor E.B.

PY - 2005/9

Y1 - 2005/9

N2 - Abundances of Ar + and Xe + 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 surfaceatoms and vacancies.

AB - Abundances of Ar + and Xe + 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 surfaceatoms and vacancies.

U2 - 10.1063/1.2008948

DO - 10.1063/1.2008948

M3 - Journal article

SN - 0021-9606

VL - 123

JO - Journal of Chemical Physics

JF - Journal of Chemical Physics

IS - 8

M1 - 084317

ER -

Surface entropy of rare gas clusters

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