Diffusion Characteristics of Actinide Oxides

Ken ANDO; Yasumichi OISHI

doi:10.3327/jnst.20.973

Journal of Nuclear Science and Technology

Online ISSN : 1881-1248
Print ISSN : 0022-3131

Diffusion Characteristics of Actinide Oxides

Ken ANDO, Yasumichi OISHI

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Keywords: self-diffusion coefficient, chemical diffusion coefficient, actinide oxides, fluorite structure, antifluorite structure, oxygen ion, cation, uranium dioxide, plutonium dioxide, thorium dioxide, lithium dioxide, crystal structure

JOURNAL FREE ACCESS

1983 Volume 20 Issue 12 Pages 973-982

DOI https://doi.org/10.3327/jnst.20.973

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Abstract

Actinide oxides used for nuclear reactor fuels have fluorite-type cubic structure. In this crystal structure, the self-diffusion coefficients of the constituent ions are closely related to its sublattice structure. Characteristics of the actinide oxides are reviewed with respect to self-diffusion and chemical diffusion.

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