A structural-thermodynamic model of the (U1-zPuz)O2+δ solid solution
Victor L. Vinograd,
Andrey A. Bukaemskiy,
Guido Deissmann
et al.
Abstract:Thermodynamic mixing properties of the (U1−zPuz)O2+δ fluorite solid solution are modelled by taking into account the dependence of the δ parameter on the chemical potential of O2. Simultaneously, the model is made consistent with phase separation data that are relevant for the hypo-stoichiometric domain. An ion-packing approach is used to describe the variation in the lattice parameter as functions of z and δ. The linking of the ion-packing and thermodynamic models allows predicting the lattice parameter varia… Show more
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