Journal
PHYSICA B-CONDENSED MATTER
Volume 405, Issue 5, Pages 1359-1361Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physb.2009.11.089
Keywords
Ceramics; Chemical synthesis; Dielectric constant; A. c. conductivity
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Funding
- Ferroelectrics Laboratory of the Department of Physics Meteorology
- Nanomaterials Laboratory of the Department of Chemistry and Central Research Facility
- Indian Institute of Technology, Kharagpur, (W.B.), India [721302]
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The LiNi3/5Cu2/5VO4 was synthesized using solution-based chemical method whose dielectric and a.c. conductivity properties were investigated using complex impedance spectroscopy (CIS) technique. Variation of dielectric constant (epsilon(r)) as a function of frequency at different temperatures indicates low frequency dispersion. A.c conductivity analysis indicates that electrical conduction in the material is a thermally activated process. Frequency dependence of a.c. conductivity at different temperatures obeys Jonscher's universal law: sigma(ac) = sigma(dc) + A(omega)(n). (C) 2009 Elsevier B.V. All rights reserved.
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