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Title: He and Au ion radiation damage in sodalite, Na4Al3Si3O12Cl
Authors: Vance, ER
Gregg, DJ
Davis, J
Ionescu, M
Keywords: Ceramics
Radioactive wastes
X-ray diffraction
Raman effect
Nepheline basalts
Issue Date: Oct-2014
Publisher: Elsevier
Citation: Vance, E. R., Gregg, D. J., Karatchevtseva, I., Davis, J., & Ionescu, M. (2014). He and Au ion radiation damage in sodalite, Na4Al3Si3O12Cl. Journal of Nuclear Materials, 453(1–3), 307-312. doi:10.1016/j.jnucmat.2014.07.024
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 5 MeV He ions/cm2. However micro-Raman scattering showed considerable spectral broadening characteristic of radiation damage near the end of the ∼22 μm He range. Partial amorphism plus nepheline formation was observed in grazing incidence X-ray diffraction when sodalite was irradiated by 1016 12 MeV Au ions/cm2. Nepheline appeared less susceptible to 12 MeV Au ion damage than sodalite, with ∼25% less amorphous fraction at 1016 ions/cm2. © 2014, Elsevier B.V.
Gov't Doc #: 7664
ISSN: 0022-3115
Appears in Collections:Journal Articles

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