Abstract
The effect after the incorporation of La3+ and V5+ on BaBi2Nb2O9 ceramics was investigated by the analysis of structural and electrical studies. The materials are synthesized using chemical precursor solution decomposition method. Single orthorhombic phase was established after calcined the precursor mass at 700 °C for 3 h studied using X-ray diffraction study. The morphology of the samples was studied using scanning electron micrograph and transmission electron micrograph. The Curie temperature was increased with increasing substitution. High relaxation behaviour was observed during impedance spectroscopy study. For higher substitution both grain and grain boundary conductivity appears in the samples. The dc activation energy was in the range of 1.13–1.43 eV which are lower than the relaxation activation energy. The polarization of all the samples increases with increasing electric field. BBLNV0.5 showed the highest energy efficiency about 86%.
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