Abstract
Binary solid-solutions of the (1−x)Ba(Zr0.07Ti0.93)O3–xBa(Fe0.5Nb0.5O3) system, with 0.1≤x≤0.9,were fabricated via a solid-state processing technique. X-ray diffraction analysis revealed that all samples exhibited a single perovskite phase. The BaFe0.5Nb0.5O3 also promoted densification and grain growth of the system. Dielectric measurements showed that all samples displayed a relaxor like behavior. The x=0.1 sample presented a dielectric-frequency and temperature with low loss tangent (<0.07 at 10kHz). For x>0.2 samples, the dielectric data showed a broad dielectric constant–temperature curve with a giant dielectric characteristic. In addition, a high dielectric constant>50,000 (at 10kHz and temperature>150°C) was observed for the x=0.9 sample.
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