Oriented Barium Hexaferrite Thick Films Prepared by Electrophoretic Deposition in a Magnetic Field

Simona Ovtar; Darja Lisjak; Miha Drofenik

doi:10.4028/www.scientific.net/AST.67.92

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HomeAdvances in Science and TechnologyAdvances in Science and Technology Vol. 67Oriented Barium Hexaferrite Thick Films Prepared...

Oriented Barium Hexaferrite Thick Films Prepared by Electrophoretic Deposition in a Magnetic Field

Abstract:

Stable suspensions of nanosized barium hexaferrite particles were prepared with the addition of surfactants. Hydrothermally prepared particles with sizes from 5 to 20 nm and commercial particles with sizes from 10 to 160 nm were used. The films with thicknesses from 1.5 to 9.5 μm were prepared with electrophoretic deposition in an external magnetic field. The orientation of the grains in the films was due to the magneto-crystalline anisotropy of the barium hexaferrite and was determined with X-ray diffraction analysis, scanning electron microscopy and magnetic measurements. The highest degree of orientation in the films with anisotropic magnetic behaviour was 90 %.

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Periodical:

Advances in Science and Technology (Volume 67)

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92-97

DOI:

https://doi.org/10.4028/www.scientific.net/AST.67.92

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Online since:

October 2010

Authors:

Simona Ovtar, Darja Lisjak, Miha Drofenik

Keywords:

Barium Hexaferrite, Electrophoretic Deposition (EPD), Magnetic Field, Stabile Magnetic Suspension

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