A XAS study of the local environments of cations in (U, Ce)O-2 (Articolo in rivista)

Type
Label
  • A XAS study of the local environments of cations in (U, Ce)O-2 (Articolo in rivista) (literal)
Anno
  • 2003-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/S0022-3115(02)01590-8 (literal)
Alternative label
  • Martin, P (Martin, P); Ripert, M (Ripert, M); Petit, T (Petit, T); Reich, T (Reich, T); Hennig, C (Hennig, C); D'Acapito, F (D'Acapito, F); Hazemann, JL (Hazemann, JL); Proux, O (Proux, O) (2003)
    A XAS study of the local environments of cations in (U, Ce)O-2
    in Journal of nuclear materials
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Martin, P (Martin, P); Ripert, M (Ripert, M); Petit, T (Petit, T); Reich, T (Reich, T); Hennig, C (Hennig, C); D'Acapito, F (D'Acapito, F); Hazemann, JL (Hazemann, JL); Proux, O (Proux, O) (literal)
Pagina inizio
  • 103 (literal)
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  • 312 (literal)
Rivista
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  • 1 (literal)
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  • cnr (literal)
Titolo
  • A XAS study of the local environments of cations in (U, Ce)O-2 (literal)
Abstract
  • Mixed oxide (MOX) fuel is usually considered as a solid solution formed by uranium and plutonium dioxides. Nevertheless, some physico-chemical properties of (U1-y, Pu-y)O-2 samples manufactured under industrial conditions showed anomalies in the domain of plutonium contents ranging between 3 and 15 at.%. Cerium is commonly used as an inactive analogue of plutonium in preliminary studies on MOX fuels. Extended X-ray Absorption Fine Structure (EXAFS) measurements performed at the European Synchrotron Radiation Facility (ESRF) at the cerium and uranium edges on (U1-y, Ce-y)O-2 samples are presented and discussed. They confirmed on an atomic scale the formation of an ideal solid solution for cerium concentrations ranging between 0 and 50 at.%. (literal)
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