A definite, congruently melting compound with trigonal symmetry at room temperature is found for x = 0.5.JoaquinTorrèsandDeniseMorinandLucienPateauSDOSMaterials Research Bulletin
for high specimen temperatures) it has been possible to establish several new features in the Pu-O phase diagram, such as a wide stability region for the α phase, a narrow (α + γ) phase region, a eutectoidal point at 670°C for an O Pu ratio of 1.784 and several γ-type phases...