Abstract
The sputtering of D 2O and CO solids by keV ions has been studied by measuring the absolute sputtering yield and the masses of ejected particles. The yield results for several ions on D 2O indicate that for the case where the energy deposited in nuclear motion is comparable to that deposited electronically, the sputtering yield is still determined to a large extent by the electronic energy. The mass spectra ejected from D 2O by 30 keV Kr + ions have a behavior very much like those produced by MeV ions. The bombardment of CO by kr + results in the rapid production of a dark residue, stable at room temperature, and the ejection of CO, CO 2, O 2, O, C 2 and (CO) 2.
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