Blackbody-induced radiative dissociation of cationic SF 6 clusters
2012
The stability of cationic SF${}_{5}$${}^{+}$(SF${}_{6}{)}_{n\ensuremath{-}1}$ clusters was investigated by measuring their blackbody-induced radiative dissociation (BIRD) rates. The clusters were produced in a supersonic expansion ion source and stored in an electrostatic ion-beam trap at room temperature, where their abundances and lifetimes were measured. Using the ``master equation'' approach, relative binding energies of an SF${}_{6}$ unit in the clusters could be extracted from the storage-time dependence of the survival probabilities. The results allow for a deeper insight into the effect of a localized charge on the structure and stability of SF${}_{6}$-based clusters.
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