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Deuterium trapping in the subsurface layer of tungsten pre-irradiated with helium ions

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dc.contributor.authorKanashenko, S.
dc.contributor.authorHarutyunyan, Z.
dc.contributor.authorGasparyan, Y.
dc.contributor.authorRyabtsev, S.
dc.contributor.authorEfimov, V.
dc.contributor.authorOgorodnikova, O.
dc.contributor.authorPisarev, A.
dc.contributor.authorАрутюнян, Зорий Робертович
dc.contributor.authorГаспарян, Юрий Микаэлович
dc.contributor.authorЕфимов, Виталий Сергеевич
dc.contributor.authorОгородникова, Ольга Вячеславовна
dc.contributor.authorПисарев, Александр Александрович
dc.date.accessioned2024-11-29T11:39:21Z
dc.date.available2024-11-29T11:39:21Z
dc.date.issued2021
dc.description.abstract© 2021The effect of He-induced defects in tungsten on the efficiency of trapping of deuterium ions in the subsurface layer was studied using thermal desorption spectroscopy (TDS). The W sample was pre-irradiated with 3 keV helium ions at room temperature and various fluences in the range of 1019 – 5 × 1021 He/m2. Then, it was exposed to a probe fluence of 1019 D/m2 of 2 keV D3+ (670 eV/D) ions, and in-situ TDS was performed. The de-trapping energy for D atoms increased with the increase of the He pre-irradiation fluence. On the other hand, a strong decrease in the D retention was observed if the He fluence increased above 1021 He/m2. At the highest He fluence of 5 × 1021 He/m2 deuterium trapping was possible only after partial release of He atoms. By comparison of experimental TDS spectra with modeling, the de-trapping energies of D atoms from various defects were estimated.
dc.identifier.citationDeuterium trapping in the subsurface layer of tungsten pre-irradiated with helium ions / Kanashenko, S. [et al.] // Journal of Nuclear Materials. - 2021. - 548. - 10.1016/j.jnucmat.2021.152848
dc.identifier.doi10.1016/j.jnucmat.2021.152848
dc.identifier.urihttps://www.doi.org/10.1016/j.jnucmat.2021.152848
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85100740941&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000635060500006
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/23664
dc.relation.ispartofJournal of Nuclear Materials
dc.titleDeuterium trapping in the subsurface layer of tungsten pre-irradiated with helium ions
dc.typeArticle
dspace.entity.typePublication
oaire.citation.volume548
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