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HomeMaterials Science ForumMaterials Science Forum Vols. 727-728Synthesis and Characterization of Cu0.5Zn0.5Fe2O4...

Synthesis and Characterization of Cu_0.5Zn_0.5Fe₂O₄ Ferrite for Application as a Soft Magnetic Material

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Abstract:

This work involved the synthesis and characterization of Cu_0.5Zn_0.5Fe₂O₄ ferrite powders prepared by combustion reaction for use as soft magnetic materials. The powders were characterized by nitrogen adsorption (BET), XRD, Rietveld refinement, SEM, TEM and magnetic measures. The results indicate that the combustion reaction yielded crystalline powders containing spinel ferrite as the primary phase and traces of Fe₂O₃as secondary phase. The crystallite size and lattice microdeformation calculated from Rietveld refinements were 36 and 0.24 nm, respectively. The micrographic analysis revealed particles smaller than 100 nm and fine particle agglomerates. The particles were approximately spherical and their size, calculated by TEM, was 29 nm. The magnetic parameters indicated that the Cu-Zn ferrite powders presented closed hysteresis loops and soft magnetic properties.

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Advanced Powder Technology VIII

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Periodical:

Materials Science Forum (Volumes 727-728)

Pages:

1284-1289

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.727-728.1284

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Online since:

August 2012

Authors:

A.C.F.M. Costa, A.D.S. Costa, K.M.S. Viana, F.A. Portela, O. Paiva-Santos, R.H.G.A. Kiminami

Keywords:

Combustion Reaction, Cu-Zn Ferrite, Nanoparticle, Soft Magnetic Material

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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