Lattice parameters of (U, Pu, Am, Np)O2-x

Masato Kato, Kenji Konashi

Research output: Contribution to journalArticlepeer-review

54 Citations (Scopus)


The solid solutions of (U1-z-y'-y"PuzAmy'Npy")O2-x (z = 0-1, y' = 0-0.12, y" = 0-0.07) were investigated by X-ray diffraction measurements, and a database for the lattice parameters was updated. A model to calculate the lattice parameters was derived from the database. The radii of the ions present in the fluorite structure of (U, Pu, Am, Np)O2-x were estimated from the lattice parameters measured in this work. The model represented the experimental data within a standard deviation of σ = ±0.025%.

Original languageEnglish
Pages (from-to)117-121
Number of pages5
JournalJournal of Nuclear Materials
Issue number1
Publication statusPublished - 2009 Mar 15


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