Abstract
The structural and dielectric properties of SHS-produced yNi1 − x Cd x Fe2O4 + (1 − y)Ba0.8Sr0.2TiO3 (x = 0.2, 0.4, 0.6; y = 15, 30, 45%) magnetoelectric composites were characterized by XRD, SEM, and resistivity/dielectric measurements. SEM images reveal that SHS reaction can produce two pure phases simultaneously. The grown Cd-substituted nickel ferrite grains were well dispersed in a BST matrix. A decrease in resistivity with temperature shows the semiconducting nature of synthesized samples. The dielectric results demonstrated an attractive response of dielectric constant to frequency and temperature. The Curie temperature of about 480°C was observed in the Ni0.4Cd0.6Fe2O4 + Ba0.8Sr0.2TiO3 composite.
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Shelar, M.B., Jadhav, P.A., Chougule, B.K. et al. Structural and dielectric behavior of yNi1 − x Cd x Fe2O4 + (1 − y)Ba0.8Sr0.2TiO3 magnetoelectric composites prepared through SHS route. Int. J Self-Propag. High-Temp. Synth. 19, 102–109 (2010). https://doi.org/10.3103/S1061386210020044
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DOI: https://doi.org/10.3103/S1061386210020044