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Structural, Dielectric and Magnetic Study of 0.7(Pb0.85La0.15TiO3)/0.3(Ni0.4Zn0.6Fe2O4) Composite

Author Affiliations

  • 1Department of Physics, Himachal Pradesh University Shimla-05, INDIA

Res. J. Material Sci., Volume 1, Issue (3), Pages 7-11, April,16 (2013)

Abstract

In the present study, Pb0.85La0.15TiO(PLT) and Ni0.4Zn0.6Fe(NZF) materials were synthesized by using the Metallo - Organic Decomposition (MOD) chemical route, which were further used as basic materials for the preparation of 0.7(Pb0.85La0.15TiO)/0.3(Ni0.4Zn0.6Fe) [PLT/NZF] composite. The structural analysis of individual phases PLT, NZF and PLT/NZF composite were carried out using X-ray diffraction study which confirms a tetragonal pervoskite structure for PLT phase, cubic spinel structure for NZF phase and no any secondary phases present in composite. The microstructure of composite was studied by using scanning electron microscope (SEM). The room temperature hysteresis measurement shows the low value of saturation magnetization (M) of PLT/NZF composite (~ 12emu/g) as compared to ferrite (NZF) phase (~37emu/g). The variation of dielectric constant and loss factor of composite with frequency was also studied. The variation of dielectric constant with temperature of PLT/NZF composite show diffuse phase transitions (DPT).

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