Title: Synthesis and crystal structure investigations of ternary oxides in the Na–Pu–O system
Authors: BYKOV D.RAISON PhilippeKONINGS RudyAPOSTOLIDIS ChristosORLOVA Maria
Citation: JOURNAL OF NUCLEAR MATERIALS vol. 457 p. 54 - 62
Publisher: ELSEVIER SCIENCE BV
Publication Year: 2014
JRC N°: JRC83795
ISSN: 0022-3115
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC83795
DOI: 10.1016/j.jnucmat.2014.10.061
Type: Articles in periodicals and books
Abstract: Ternary oxides of sodium and plutonium in oxidation states from +4 to +7 have been obtained by solid state reactions at elevated temperatures in pure argon or oxygen atmospheres. Sodium diplutonate was formed as a decomposition product of other plutonates at room temperature. The crystal structures of these compounds have been refined by the Rietveld method using conventional X-ray powder diffraction technique. The structural analogues were found among the families of complex oxides of alkali elements and cerium, ruthenium, antimony, uranium/neptunium and osmium. The new results were compared with the earlier known data for the system Na-Pu-O.
JRC Directorate:Nuclear Safety and Security

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