Abstract
New perovskite solid solution ceramics of (1−x)BaTiO3-xBi(Mg1/2Ti1/2)O3 ((1−x)BT-xBMT, x≤0.09) were synthesized by the solid-state reaction technique. X-ray diffraction studies have revealed a stable single perovskite structure for all samples. Dielectric measurements were carried out at different frequencies and temperatures. The polarization evolutions with temperatures were measured to investigate the ferroelectric properties. All the compositions show features of ferroelectrics with diffuse phase transition, though the temperature T m of their dielectric constant maximum ε m is frequency dependent. The dielectric constant peak ε(T) of (1−x)BT-xBMT ceramics become broad with increasing BMT content. During the temperature range of ε(T) peak summit, (1−x)BT-xBMT ceramics present quasi-linear dielectric phenomenon under high electric field with very high dielectric constant.
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Sun, R., Wang, X., Shi, J. et al. Dielectric and polar order behaviors of BaTiO3-Bi(Mg1/2Ti1/2)O3 ceramics. Appl. Phys. A 104, 129–133 (2011). https://doi.org/10.1007/s00339-010-6080-7
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DOI: https://doi.org/10.1007/s00339-010-6080-7