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Martin-Luther-Universität
Interdisziplinäres Zentrum für Materialwissenschaften
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Abstracts

T.Kavetskyy, M.O.Liedke, M.Butterling, A.Wagner, R.Krause-Rehberg, O.Sausa, L.Meshi, I.Dahang, J.Vacik, P.Horak, D.Fuks, N.Mykytenko, A.Kivfi
Formation of heavy clusters in ion-irradiated compounds
Vacuum 163 (2019), 135-141

Ion-irradiated U(Al,Si)3 intermetallide, as an example of compounds with significantly different atomic masses of constituting atoms, was studied by slow positron beam spectroscopy in order to clarify the nature of defects accompanying the process of the ion-induced disordering of this material. The studied compound was irradiated with different Ar+ ion fluences with energy 30?keV. The formation of so-called heavy clusters (Uranium in this case) has been revealed. Such clusters affect the reliability of materials in nuclear reactors. Ion-induced creation of heavy clusters can provide important properties of similar materials.

Keywords: Intermetallic alloys and compounds Ion beam technology Positron annihilation Heavy clusters

DOI 10.1016/j.vacuum.2019.02.020


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