Study of PbZr0.53Ti0.47O3 solid solution formation by interaction of perovskite phases

The formation of Pb(Zr_0.53Ti_0.47)O₃ solid solution around the MPH was studied by mutual interaction of perovskite PZT phases (rhombohedral and tetragonal) and by interaction of PZT phases with PbTiO₃ or PbZrO₃ at sintering temperature. Starting perovskite phases were prepared by the mechanical homogenization of oxidic precursors and calcination of mixtures at 1000 °C. The final Pb(Zr_0.53Ti_0.47)O₃ ceramic systems prepared from perovskite mixtures were monophasic (tetragonal symmetry) in comparison with the biphasic ceramics prepared from calcinate with the same stoichiometry. The magnitude of deviation from equilibrium chemical composition or fluctuation from final stoichiometry in PZT phase in starting powder perovskite mixtures was not crucial for the formation of monophase Pb(Zr_0.53Ti_0.47)O₃ ceramic system prepared using such a method.