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Synthesis and characterization of (y) Ni1-xCdxFe2O4 and (1-y) Ba0.8Sr0.2TiO3 Magnetoelectric composites prepared through combustion method | Abstract
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Abstract

Synthesis and characterization of (y) Ni1-xCdxFe2O4 and (1-y) Ba0.8Sr0.2TiO3 Magnetoelectric composites prepared through combustion method

Author(s): M. B. Shelar, P. A. Jadhav, B. K. Chougule, V. R. Puri

The magnetoelectric composites of ferrite and ferroelectric phase with [y] Ni1-xCdxFe2O4 and [1- y] Ba0.8Sr0.2TiO3 (x =0.2, 0.4, 0.6, y =15%, 30%, 45%) were synthesized by self-propagating auto combustion method. The formation of spinel phase for ferrite and pervoskite phase for ferroelectrics were confirmed by X- ray diffraction. The surface morphology was studied by scanning electron microscopy with average grain size about 180nm. The dispersion of dielectric constant with frequency shows the maxwel-wegner type interfacial polarization. The magnetic properties were analyzed by the B-H hysteresis curve. The static value of magnetoelectric conversion factor (dE/dH) was measured as a function of applied magnetic field. Also the dependence of ME coefficient with resistivity is discussed.