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Surface entropy of rare-gas clusters
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10.1063/1.2008948
/content/aip/journal/jcp/123/8/10.1063/1.2008948
http://aip.metastore.ingenta.com/content/aip/journal/jcp/123/8/10.1063/1.2008948

Figures

Image of FIG. 1.
FIG. 1.

Abundance spectrum for Xe clusters. The dashed line is the background which was removed. The data for were not used for the evaluation.

Image of FIG. 2.
FIG. 2.

Abundance spectra of (a) Xe and (b) Ar clusters. Obtained from fitting together regions of different mass spectra optimized for maximum intensity and resolution (see text for details).

Image of FIG. 3.
FIG. 3.

Abundance spectra divided by the corresponding smooth spectra for (a) Xe and (b) Ar clusters.

Image of FIG. 4.
FIG. 4.

Dissociation energies for (a) and (b) , calculated with Eq. (9) and and scaled with the liquid drop model. The energy unit refers to the scaled Lennard-Jones potential.

Image of FIG. 5.
FIG. 5.

Dissociation energies calculated from the experimental data with the procedure described in the text. —dissociation energies without the surface entropy included, —dissociation energies from experimental data with surface entropies included, and —binding energies according to Ref. 16. The energy unit refers to the scaled Lennard-Jones potential.

Image of FIG. 6.
FIG. 6.

Dissociation energies (—before the entropy correction, —corrected due the configurational entropy) calculated from the experimental data as compared with the computed binding energies from Ref. 26 for clusters. The energy unit refers to the scaled Lennard-Jones potential.

Image of FIG. 7.
FIG. 7.

Dissociation energies as in Fig. 6, but for clusters. The theoretical curve is from Ref. 27. Experimental points below are not represented correctly because of the small width used to calculate from Eq. (10).

Tables

Generic image for table
Table I.

—cluster size, —number of equal atomic arrangements in the outer shell of the icosahedron calculated from the structures given in Ref. 16, —difference in binding energies of and clusters (Ref. 16), and , —dissociation energies calculated in this work, without and with entropy correction for Ar and Xe clusters, respectively. The energy unit refers to the scaled Lennard-Jones potential.

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/content/aip/journal/jcp/123/8/10.1063/1.2008948
2005-09-01
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Surface entropy of rare-gas clusters
http://aip.metastore.ingenta.com/content/aip/journal/jcp/123/8/10.1063/1.2008948
10.1063/1.2008948
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