Journal
CURRENT APPLIED PHYSICS
Volume 13, Issue 3, Pages 467-473Publisher
ELSEVIER
DOI: 10.1016/j.cap.2012.09.015
Keywords
Ferrites; X-ray diffraction; Dielectric constant; Magnetic properties
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The Cu(1-x)A(x)Fe(2)O(4) (A = Zn, Mg; x = 0.0, 0.5) ferrites were successfully synthesized by chemical co-precipitation method. X-ray diffraction and Raman spectroscopy reveals that all the ferrite samples are in single-phase with tetragonal structure for CFO and cubic spinel structure for CZFO and CMFO samples. SEM micrograph shows the variation of grain size with Zn and Mg doping in parent CFO sample. Frequency dependent dielectric response confirms the dielectric polarization and electrical conduction mechanism in the present series with a maximum value of dielectric constant and loss tangent for CZFO sample. The anomaly similar to 493 K in temperature dependent dielectric constant and dielectric loss is assigned to tetragonal to cubic phase transition in CFO sample. The magnetic measurement explored that the saturation value (M-s) is maximum for CZFO as compared to CFO and CMFO ferrites samples. (C) 2012 Elsevier B.V. All rights reserved.
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