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On the possibility of low-temperature removal of hydrogen isotopes from tungsten in conditions of thermonuclear and plasma facilities

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Published under licence by IOP Publishing Ltd
, , Citation L B Begrambekov et al 2018 J. Phys.: Conf. Ser. 1058 012012 DOI 10.1088/1742-6596/1058/1/012012

1742-6596/1058/1/012012

Abstract

Acceleration of hydrogen isotope trapping and desorption has been observed in the experiments with stainless steel (Activated Surface Penetration - ASP) under irradiation by hydrogen atoms and hydrogen plasma ions with oxygen impurity. ASP is considered in this paper for a method of low-temperature hydrogen isotope removal from tungsten and aluminum-coated tungsten under irradiation by hydrogen plasma ions with oxygen impurity. It is shown that periodic irradiation by hydrogen plasma ions with oxygen impurity allows preventing accumulation of implanted deuterium ions in tungsten.

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10.1088/1742-6596/1058/1/012012