Evidence of a Biphasic Domain in the UO2-Nd2O3 Diagram at Room Temperature: a Proof for a Miscibility Gap in UO2-Nd2O3 Phase Diagram ?
Several samples of (U,Nd)O2 with different Nd content (ranging from 2 to 50 in Nd2O3 mass. %) were prepared. For composition ranging from 6 to 20 in Nd2O3 mass %, two crystalline phases are unambiguously evidenced by X-ray and neutron diffraction, by optical microscopy, and by SEM-EDX and EPMA. The influence of the preparation route on the distribution of the domains made by these two phases is evidenced and discussed.
Yves Bréchet, Emmanuel Clouet, Alexis Deschamps, Alphonse Finel and Frédéric Soisson
L. Desgranges et al., "Evidence of a Biphasic Domain in the UO2-Nd2O3 Diagram at Room Temperature: a Proof for a Miscibility Gap in UO2-Nd2O3 Phase Diagram ?", Solid State Phenomena, Vols. 172-174, pp. 624-629, 2011