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The ferroelectric-antiferroelectric phase transitions in lead zirconate-titanate-based solid solutions have been considered with allowance made for anharmonicity of the crystal potential. In the phase diagram of lead zirconate-titanate, the boundary separating the regions of the ferroelectric and...
A dielectric response of the Pb(Mg 1/3 Nb 2/3 )O 3 ferroelectric ceramics with impurity of 2 wt % Li has been studied. The phase transition has been found to exhibit a relaxor character, as is the case in PMN without Li. However, unlike pure PMN, the dielectric response dispersion in PMN + 2 wt %...
The transmission electron microscopy, energy-dispersive, and X-ray powder diffraction analyses have been used to study the changes in the structure and phase composition of lanthanum-doped BiFeO 3 and undoped BiFeO 3 thin films synthesized by chemical deposition from solutions and annealed in the...