Abstract
NdCrO3 perovskite compound synthesized via sol-gel process. Impedance spectroscopic data have been studied in the wide frequency range (0.1Hz-10MHz), at various temperatures (RT-500°C). Structural analysis have done by X-ray diffractometer, it indicates single-phase orthorhombic structure. Particle size is found to be 32nm. Microstructure seems to be uniform distribution of grains throughout the surface. This material showed the giant dielectric behaviour (ε1 > 104). Impedance studies of NdCrO3 noticed that it is negative temperature coefficient of resistance type semiconductor. The dc conductivity and relaxation plots were followed by Arrhenius law. Frequency reliant ac conductivity plots followed Jonscher’s power law. These results suggesting that NdCrO3 is suitable for gaint capacitors applications.
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