Deuterium irradiation-induced defect concentrations in tungsten

K. Heinola (Corresponding Author), T. Ahlgren, Elizaveta Vainonen-Ahlgren, Jari Likonen, J. Keinonen

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    Deuterium retention in the implantation-induced defects in polycrystalline tungsten has been studied. Deuterium was implanted with different energies and concentrations of retained D were analysed with secondary ion mass spectrometry and nuclear reaction analysis. Annealings were carried out at four pre-determined temperatures corresponding to four different defect types that can trap deuterium. A quantitative number of each defect type produced by 5, 15 and 30 keV D implantation with a dose of 5.8×1016 cm−2 was obtained.
    Original languageEnglish
    Pages (from-to)91-95
    JournalPhysica Scripta
    Publication statusPublished - 2007
    MoE publication typeA1 Journal article-refereed


    • JET
    • plasma
    • fusion energy
    • fusion reactors
    • ITER
    • plasma toroidal confinement
    • divertor tiles
    • tungsten
    • plasma-wall interactions


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