This paper investigates the processes of phase formation of solid solutions of (1 − x)BaTi_0.85Zr_0.15O₃ − xAgNbO₃ where x = 0, 0.03, 0.06, 0.09. The optimal temperatures of synthesis and sintering are determined. From the results of X-ray diffraction analysis, it follows that all solid solutions have a perovskite-type structure. Analysis of the microstructure showed that the average grain size decreases at concentrations x = 0.03 and 0.06. Correlations between the cationic composition and dielectric characteristics of the studied solid solutions have been established. The values of the total stored energy and efficiency are determined. The maximum stored energy was found for a solid solution with x = 0.03 and amounted to 0.074 J∙cm⁻³ with an efficiency of 76.5%.

Results are presented from studying Bi0.5La0.5MnO3 ± σ solid solutions modified with Nb2O5. Structural, microstructural, magnetodielectric, and m

Modified solid solutions based on the multiferroic Bi_0.5La_0.5MnO₃ were synthesized by conventional ceramic technology. The modifiers were introduced stoichiometrically in the form of Fe₂O₃, Co₂O₃ by the formula Bi_0.5La_0.5Mn_1-xZ_xO₃. The processes of phase formation, structural characteristics, dielectric properties, and microstructure were studied. Anomalies in the dielectric permittivity spectra were found, probably associated with the Maxwell-Wagner polarization. Correlations were established between the macro-properties of the samples and the phase transition phenomena characteristic of them.

We presented the results of the study of solid solutions based on Bi0.5La0.5MnO3 ± σ modified Nb2O5. Structural, microstructural, magnetic-dielectric and magnetic-resistive correlation in a wide range of frequencies and temperatures are investigated. Correlations between the structure of ceramics, their dielectric properties and behavior in a magnetic field are established.