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The erosion of W coatings with different content of C in Ar and reactive Ar+H 2 plasmas under negative 300 V bias was investigated. The erosion rate was deduced from the sample's weight change. A strong dependence of the erosion rate on the content of C in W is observed. For the erosion in Ar plasma, the experimental dependences are in agreement with the model assuming that the ejection rates...
A study of the behavior of carbon sputtered and readsorbed after scattering collisions with particles of surrounding gas on the tungsten surface affected by Ar ion irradiation with the flux equal to 2×10 16 cm −2 s −1 extracted from plasma under 300V negative bias voltage in the temperature range 370–870K was performed. The dependence of the W sample weight change on the working...
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