The Effect of Sintering Temperature on the Structural and Magnetic Properties of Ni-Mg Substituted CoFe2O4 Nanoparticles

Rizuan Mohd Rosnan; Zulkafli Othaman; Ali A. Ati; Rosli Hussin; Shadab Dabagh; Samad Zare

doi:10.4028/www.scientific.net/MSF.846.352

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HomeMaterials Science ForumMaterials Science Forum Vol. 846The Effect of Sintering Temperature on the...

The Effect of Sintering Temperature on the Structural and Magnetic Properties of Ni-Mg Substituted CoFe₂O₄ Nanoparticles

Abstract:

This study evaluates the structural and magnetic properties of Ni-Mg substituted Cobalt ferrite samples prepared through the co-precipitation method. The nominal compositions Co_0.5Ni_0.5−xMg_x Fe₂O₄ in the range x = 0.1 have been synthesized and then was sintered at temperature at 700 and 1000°C in the furnace for 10 hour with a heating rate of 5°C/min. The prepared nanoferrites were characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM) and vibration sample magnetometer (VSM). XRD confirmed formation of single phase spinel ferrite with average crystalline size in the range of 27–33 nm. The lattice constant (a), cell volume (V) and X-ray density (ρ_x) are also calculated from XRD data. Lattice constant (a) decreases with an increase of sintering temperature. Further information about the structure and morphology of the nanoferrites was obtained from FESEM and results are in good agreement with XRD. Saturation magnetization showed increasing trend with sintering temperature from 700 to 1000°C.

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Materials Science Forum (Volume 846)

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352-357

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https://doi.org/10.4028/www.scientific.net/MSF.846.352

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Online since:

March 2016

Authors:

Rizuan Mohd Rosnan*, Zulkafli Othaman, Ali A. Ati, Rosli Hussin, Shadab Dabagh, Samad Zare

Keywords:

Cobalt Ferrite, Co-Precipitation, Ferrites, Magnetic Properties, Nanoparticles

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