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HomeMaterials Science ForumMaterials Science Forum Vol. 898Synthesis of Uniform Barium Ferrite Powders by...

Synthesis of Uniform Barium Ferrite Powders by Co-Precipitation Method

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Abstract:

The uniform hexagonal barium ferrite powders were synthesized by co-precipitation method using metal chloride. The effects of the amount of hexadecyltrimethyl ammonium bromide (CTAB), the water bath and calcination temperature on the phase formation, microstructure and density of barium ferrites were systematically investigated. The results showed that the formation of uniform hexagonal barium ferrite powders was significantly influenced by the amount of CTAB and the water bath could lead to the larger grain size and density. The SEM demonstrated that the BaFe₁₂O₁₉ powders had plate-like shape with crystallite sizes varing from 150 to 200 nm. When the amount of CTAB was 0.2g/100ml and the calcination temperature was 850 °C, the barium ferrite powders were uniform which indicated that the amount of surfactant and calcination temperature were very optimum.

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Periodical:

Materials Science Forum (Volume 898)

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1649-1654

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.898.1649

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Online since:

June 2017

Authors:

Min Chen, Run Hua Fan*, Zi Dong Zhang, Yan Sheng Yin, Li Hua Dong

Keywords:

Barium Ferrite, Calcination Temperature, Co-Precipitation, CTAB, Water Bath

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© 2017 Trans Tech Publications Ltd. All Rights Reserved

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