Preparation, Morphological and Structural Properties of Nanocrystalline Ni-Mg Cobalt-Ferrite Synthesized by the Co-Precipitation Method

Rizuan Mohd Rosnan; Zulkafli Othaman; Ali A. Ati

doi:10.4028/www.scientific.net/AMR.1109.355

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1109Preparation, Morphological and Structural...

Preparation, Morphological and Structural Properties of Nanocrystalline Ni-Mg Cobalt-Ferrite Synthesized by the Co-Precipitation Method

Abstract:

The present study describes the morphological and structural characterization of nanosized Ni-Mg cobalt-ferrites. The nominal compositions Co_0.5Ni_0.5−xMg_x Fe₂O₄ in the range (0.0 ≤ x ≤ 0.5) have been synthesized by co-precipitation method. These nanopowder products were sintered in furnace at temperature of 900°C for 10 hour with a heating rate of 5°C/min to obtain these ferrites. The prepared nanoferrites were characterized by X-ray diffraction (XRD) and field emission scanning electron microscopy (FESEM) with varying concentration (x) in the composition of the prepared nanoferrites. XRD confirmed formation of single phase spinel ferrite with average crystalline size in the range of 34–37 nm. Lattice constant (a) increases with an increase of Mg concentration. Further information about the structure and morphology of the nanoferrites was obtained from FESEM and results are in good agreement with XRD.

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Periodical:

Advanced Materials Research (Volume 1109)

Pages:

355-359

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1109.355

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Online since:

June 2015

Authors:

Rizuan Mohd Rosnan*, Zulkafli Othaman, Ali A. Ati

Keywords:

Co_0.5Ni_0.5−xMg_xFe₂O₄, Cobalt Ferrite, Co-Precipitation, Spinel Nanoferrites

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