Abstract
Sodalite, a candidate ceramic for the immobilisation of pyroprocessing nuclear waste, showed no observable lattice dilatation in grazing incidence X-ray diffraction when irradiated with up to 1017 5MeVHe ions/cm2. However micro-Raman scattering showed considerable spectral broadening characteristic of radiation damage near the end of the ∼22μm He range. Partial amorphism plus nepheline formation was observed in grazing incidence X-ray diffraction when sodalite was irradiated by 101612MeVAu ions/cm2. Nepheline appeared less susceptible to 12MeV Au ion damage than sodalite, with ∼25% less amorphous fraction at 1016ions/cm2.
Published Version
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