Effect of a localized charge on the stability of Van der Waals clusters

Igor Rahinov, Yoni Toker, Klavs Hansen, Dirk Schwalm, Oded Heber, Daniel Zajfman

Research output: Contribution to journalArticlepeer-review


The stability of anionic (SF6)- N clusters (in the range of N< 23), generated in asupersonic expansion ion source with electron impact ionization, was investigated bymeasuring their blackbody induced radiative dissociation (BIRD) rates in an electrostaticion beam trap (EIBT) at room temperature. The lifetime traces of EIBT-stored clusters weresubjected to “master equation analysis” and the activation energies, Ea, for the evaporationof a SF6 monomer wereextracted. We find that the decay rates of (SF6)- N anionic clusters are larger than those of cationic SF+ 5(SF6)N-1 measured previously by the same method, and theircorresponding activation energies to be smaller. These observations provide furtherinsight into the effect of localized charge on cluster stability.

Original languageEnglish
Article number260
Pages (from-to)1-5
JournalEuropean Physical Journal D
Issue number12
StatePublished - 1 Dec 2016

Bibliographical note

Publisher Copyright:
© 2016, EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg.


  • Clusters and Nanostructures


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