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HYDROGEN CO-DEPOSITION WITH METALS IN PLASMA DISCHARGE

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dc.contributor.authorKrat, S. A.
dc.contributor.authorGasparyan, Yu. M.
dc.contributor.authorVasina, Ya. A.
dc.contributor.authorPisarev, A. A.
dc.contributor.authorПисарев, Александр Александрович
dc.contributor.authorКрат, Степан Андреевич
dc.contributor.authorГаспарян, Юрий Микаэлович
dc.date.accessioned2024-11-19T09:21:39Z
dc.date.available2024-11-19T09:21:39Z
dc.date.issued2017
dc.description.abstractDeposition of a single element film is always accompanied by co-deposition of a certain amount of other elements. This can be done properly to improve properties of the coating or due to contamination by impurities. In the field of thermonuclear fusion research, where hydrogen isotopes are used as a fuel, co-deposition with sputtered material from the wall is one of major mechanisms of hydrogen isotopes accumulation in the installation. Since D-T fuel will be used in ITER and future fusion reactors, accumulation of radioactive tritium will limit the lifespan of the installations due to safety concerns. For example, tritium accumulation in ITER is limited by 1 kg. This is why carbon materials were not accepted for the use in ITER. Basing on experiments, it was predicted that the safety limit could be reached after 100 of shots with tritium. Recent experiments in JET [1] demonstrated in the case of “ITER-like” wall (first wall – Be, divertor area - tungsten) accumulation of deuterium fuel in the co-deposits was 20 times lower than in the full-carbon wall campaign. This is both due to smaller amount of co-deposits and smaller concentration of deuterium in them.
dc.identifier.citationHYDROGEN CO-DEPOSITION WITH METALS IN PLASMA DISCHARGE [Text.] / Krat S. A. [и тд.]// Взаимодействие ионов с поверхностью «ВИП – 2017»: труды XXIII Международной конференции Том 1. - 2017. - С. 99-102
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/16370
dc.publisherНИЯУ МИФИ
dc.subjectКонференции НИЯУ МИФИ
dc.titleHYDROGEN CO-DEPOSITION WITH METALS IN PLASMA DISCHARGE
dc.typeArticle
dspace.entity.typePublication
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2017_Взаимодействие ионов с поверхностью (ВИП)