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Signature of cluster isomers in photodissociation experiments

Journal article
Authors M. Vogel
Klavs Hansen
L. Schweikhard
Published in Int.J.Mass Spectrom.
Volume 233
Pages 117-123
ISSN 1387-3806
Publication year 2004
Published at Department of Physics (GU)
Pages 117-123
Language en
Keywords Fragmentation, Nanoparticles, Charged clusters, Isomers
Subject categories Physical Sciences, Atom and Molecular Physics and Optics


The unrecognized presence of structure isomers in mass-selected cluster ensembles may obstruct investigations of the systems’ intrinsic properties, since isomers differ not only in geometry, but also in other important properties. By the same token isomers are very interesting objects in the detailed study of atomic clusters. In the present work, different scenarios of isomeric coexistence are presented. They vary in the relative values of the interconversion barrier and the dissociation energies. For some idealized cases the possibility of a distinction of isomers by photodissociation experiments is discussed. In favorable situations isomeric structures may even be selected.

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