Comparison of XRD, XANES and TGA methods to assess the O/M ratio of Th0.60Am0.40O2−x

The mixed oxide Th0.60Am0.40O2−x has been synthesized and characterized after reductive and oxidative thermal treatments. Both materials are monophasic solid solutions. The determination of O/M ratio was achieved combining XRD, XANES and TGA, showing the consistence between the three methods. This s...

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Bibliographic Details
Published in:Journal of nuclear materials 2014-05, Vol.448 (1-3), p.4-7
Main Authors: Prieur, D., Vigier, J.-F., Rothe, J., Somers, J.
Format: Article
Language:English
Subjects:
Applied sciences
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Fission nuclear power plants
Installations for energy generation and conversion: thermal and electrical energy
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Summary:The mixed oxide Th0.60Am0.40O2−x has been synthesized and characterized after reductive and oxidative thermal treatments. Both materials are monophasic solid solutions. The determination of O/M ratio was achieved combining XRD, XANES and TGA, showing the consistence between the three methods. This study represents a further step in our investigation of the Th–Am–O system and improves it comprehension.
ISSN:0022-3115
1873-4820
DOI:10.1016/j.jnucmat.2014.01.031