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.
BYKOV D.;
RAISON Philippe;
KONINGS Rudy;
APOSTOLIDIS Christos;
ORLOVA Maria;
2015-01-08
ELSEVIER SCIENCE BV
JRC83795
0022-3115,
https://publications.jrc.ec.europa.eu/repository/handle/JRC83795,
10.1016/j.jnucmat.2014.10.061,
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