Publication: Analysis of trapping sites for deuterium in W–Cr–Y SMART alloy
Дата
2022
Авторы
Litnovsky, A.
Klein, F.
Coenen, J. W.
Linsmeier, C.
Harutyunyan, Z.
Gasparyan, Y.
Efimov, V.
Pisarev, A.
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Аннотация
© 2022Deuterium (D) retention in tungsten-chromium-yttrium (W–Cr–Y) alloy depending on the irradiation fluence of 1019–5 × 1021 D/m2 at various sample temperatures in the range of 300–900 K was investigated using in-situ thermal desorption spectroscopy (TDS). The irradiation was carried out using 2 keV D3+ ions (670eV/D). An increased D retention compared to that of pure polycrystalline W and additional high-temperature peaks were observed in TDS. The de-trapping energy of 2.21 ± 0.05 eV for these traps was determined by the Kissinger method using the series of experiment with different heating rates. The total D retention dropped down at elevated irradiation temperatures and was rather small at 900 K, but has a local maximum at about 700 K.
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Analysis of trapping sites for deuterium in W–Cr–Y SMART alloy / Litnovsky, A. [et al.] // Vacuum. - 2022. - 199. - 10.1016/j.vacuum.2022.110956
URI
https://www.doi.org/10.1016/j.vacuum.2022.110956
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https://openrepository.mephi.ru/handle/123456789/28752
https://www.scopus.com/record/display.uri?eid=2-s2.0-85124897236&origin=resultslist
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000790469200002
https://openrepository.mephi.ru/handle/123456789/28752