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Dissociation energies of tellurium cluster ions from thermoevaporation experiments (1995)

Bréchignac, C. ; Cahuzac, Ph. ; de Frutos, M. ; [weitere]

College Park, Md. : American Institute of Physics (AIP)

The Journal of Chemical Physics 103 (1995), S. 6631-6636

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Details

ISSN: 1089-7690

Quelle: AIP Digital Archive

Thema: Physik , Chemie und Pharmazie

Notizen: The dissociation of tellurium cluster ions containing up to 40 atoms has been studied using unimolecular decay of thermoexcited clusters. Clusters with less than 10 atoms dissociate mainly by Te2 loss. Larger clusters fragment by loss of Te5, Te6, or Te7 species. As the cluster size increases, Te5 loss becomes the predominent channel, showing a dissociation which smoothly evolves to the bulk behavior. The dissociation energies of mass selected Te+n, with n=5–35, are deduced from the relative branching ratios of the competitive fragmentation channels. The changes in the observed neutral products are correlated to changes in the dissociation energies which are minima for cluster ion parents containing 13–25 atoms. © 1995 American Institute of Physics.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1063/1.470392

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