Effect of Temperature of Synthesis on X-Ray, Infrared Spectroscopic Study and Magnetic Properties of Magnesium Zinc Ferrites

Abstract:

Some physical properties (such as lattice parameter, curie temperature, ac susceptibility) of Mg1-xZnxFe2O4 (where x = 0.3,0.4,0.5,0.6) ferrites have been studied. Magnesium Zinc Ferrites was synthesized by oxalate co-precipitation method at different synthesis temperature and characterized by X-ray diffraction and far IR absorption techniques, scanning Electron microscopy .The lattice parameter were computed. The X-ray diffraction studies reveal the formations of single phase cubic spinel structure.IR absorption bands are observed around 600 cm-1 and 400 cm-1 on the tetrahedral and octahedral sites respectively. Magnetization parameters such as saturation magnetization, and magnetic moment were calculated and the results are discussed with the help of the existing theories. Saturation magnetization was found to be in the range 2 emu/gm to 8.28 emu/gm when the samples were synthesized below 100°C. The variation of A.C. susceptibility with temperature shows the existence of super paramagnetic nature. The Curie temperature was determined from the measurement of the susceptibility verses temperature. The SEM micrograph shows the uniform distribution of the particles, the average size was estimated to be 0. 350 µm.

• Periodical: Key Engineering Materials (Volume 547)
• Pages: 57-69
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.547.57
• Online since: April 2013
• Authors: Sujata. S. Khot, Neelam S. Shinde, Bhimrao P. Ladgaonkar, Bharat B. Kale, Shrikant C. Watawe
• Keywords: Curie Temperature, Polycrystalline Ferrites, Saturation Magnetization, SEM Micrographs, Susceptibility, X-Ray Diffraction (XRD)

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