Ion-induced desorption by high-energy (600 keV) hydrogen clusters.
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Desorption has been induced on CsI by hydrogen clusters of mass ranging from 5 to 23. A cluster effect has been observed in comparison of the Cs+ desorption yields as obtained from intact and preexploded clusters. The variation of the yield with the sum of the electronic stopping powers of the cluster components (additive stopping) shows a fourth-power dependence. The contribution of collective effects in the interaction may play a crucial role in the nonlinearity of the process. 1985 The American Physical Society.