Abstract

The interaction of low-energy bismuth ions with a fullerite surface at ion energies in the range from 50 to 200 eV and at target temperatures from 100 to 270°C has been studied experimentally. Investigation of the structure of the condensates formed by a flow of the eroding target material has revealed that the emitted flow consists of C60 molecules and bismuth atoms. The erosion of fullerite is explained by a superposition of three main processes, namely, thermal evaporation, radiation-enhanced sublimation, and physical molecular sputtering, which dominate in different temperature ranges.

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