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Perovskite-type La0.8Ca0.2CrO3 complex oxides were synthesized by a combustion method. Microstructural evolution, electrical properties, and thermal expansion behavior of the ceramics were investigated in the sintering temperature range of 1250°C to 1450°C. It was found that the electrical conductivity (σe) remarkably improved with increasing sintering temperature from 1250°C to 1400°C, ascribed...
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