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Elastic low-energy spikes can be produced in volatile materials such as condensed gases even for primary particles with comparatively low nuclear stopping power. The sputtering yield from solid neon bombarded by (5 ÷ 10) keV He + -ions has been measured. Model calculations demonstrate that nonoverlapping subspikes are responsible for particle ejection from this volatile solid.
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Ellegaard et al. (1990) studied this question.
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