NANOSYSTEMS: PHYSICS, CHEMISTRY, MATHEMATICS, 2016, 7 (4), P. 613–617
Dielectric relaxation and charge transport process in PrCrO3 nano-ceramic
Sujoy Saha – Department of Physics, Bose Institute, 93/1, Acharya Prafulla Chandra Road, Kolkata-700009, India
Alo Dutta – Department of Condensed Matter Physics and Material Sciences, S. N. Bose National Centre for Basic Sciences, Block-JD, Sector-III, Salt Lake, Kolkata-7000106, India; alo_dutta@yahoo.com
P. K. Mukhopadhyay – Department of Condensed Matter Physics and Material Sciences, S. N. Bose National Centre for Basic Sciences, Block-JD, Sector-III, Salt Lake, Kolkata-7000106, India
T. P. Sinha – Department of Physics, Bose Institute, 93/1, Acharya Prafulla Chandra Road, Kolkata-700009, India
In this work we have investigated the frequency dependent dielectric properties of PrCrO3 nano-ceramics using alternating current impedance spectroscopy. The material was synthesized by the sol–gel process. The Rietveld refinement of the X-ray diffraction data suggests single phase formation of the material with Pnma space group. The observed structure is substantiated by Raman spectrum of the sample. The ac conductivity follows the power law. The most probable relaxation frequencies at different temperatures were found to obey Arrhenius’ law.
Keywords: Dielectric properties, sol-gel process, X-ray diffraction.
PACS 61.05.cp, 77.22.Gm
DOI 10.17586/2220-8054-2016-7-4-613-617
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