Structural investigations of PuIII phosphate by X-ray diffraction, MAS-NMR and XANES spectroscopy
PuPO4 was prepared by a solid state reaction method and its crystal structure at room temperature was solved by powder X-ray diffraction combined with Rietveld refinement. High resolution XANES measurements confirm the +III valence state of plutonium, in agreement with valence bond derivation. The presence of the americium (as beta- decay product of plutonium) in the +III oxidation state was determined based on XANES results. High resolution solid state 31P NMR seems to agree with the XANES results and the presence of a solid-solution.
POPA Karin;
RAISON Philippe;
MARTEL Laura;
MARTIN Philippe;
PRIEUR Damien;
SOLARI Pier-Lorenzo;
BOUEXIERE Daniel;
KONINGS Rudy;
SOMERS Joseph;
2015-10-06
ACADEMIC PRESS INC ELSEVIER SCIENCE
JRC96075
0022-4596,
https://publications.jrc.ec.europa.eu/repository/handle/JRC96075,
10.1016/j.jssc.2015.07.002,
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