Abstract
The properties of TiB 2 coatings deposited by direct electron-beam evaporation and by plasma spray deposition as well as their behavior during the interaction with the energetic beam are discussed. These coatings are considered as a plasma facing material for some parts of the next step tokamak. Sputtering yields were determined for: Ar + ion bombardment in the energy region 3–12 keV and laser beam bombardment in the range up to 10 9 W/m 2. It was found that whatever the mechanism of sputtering is, a similarity between sputtering yield and energy dependence for used combinations of incident beams and target does exist.
Published Version
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