ACTINIDE NITRIDES AND NITRIDE-HALIDES IN HIGH-TEMPERATURE SYSTEMS

Knowledge of high-temperature actinide mononitrides systems has been e xtended in two fields. Systematics of the evaporation behavior of acti nide mononitrides, including NpN and AmN, are discussed in view of rec ent experimental data. Secondly, for electrochemical data for the U-N- Cl system in molten salts let us consider equilibria in ternary system s containing halogens. The vaporization behavior of mononitrides toget her with other equilibrium relationships are described using a sublatt ice formalism, where the structural vacancy in the nitrogen sublattice is taken into account. (C) 1998 Elsevier Science S.A.