Interaction effects in the remanence curves of CoTi-doped BaFe systems

Measurements are reported on doped barium ferrite particles produced through chemical coprecipitation. The data are analyzed using a parameter Delta M(H). The behavior of Delta M(H) is reported to be strongly dependent on the doping and consequently the coercivity of the media. High-coercive-force m...

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Bibliographic Details
Published in:IEEE transactions on magnetics 1990-01, Vol.26 (1), p.228-230
Main Authors: Mayo, P.I., Bradbury, A., Chantrell, R.W., Kelly, P.E., Jones, H.E., Bissell, P.R.
Format: Article
Language:English
Subjects:
Applied sciences
Barium
Coercive force
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Demagnetization
Doping
Exact sciences and technology
Ferrites
Magnetic analysis
Magnetic field measurement
Magnetic properties and materials
Metals. Metallurgy
Physics
Powders
Remanence
Saturation magnetization
Studies of specific magnetic materials
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Summary:Measurements are reported on doped barium ferrite particles produced through chemical coprecipitation. The data are analyzed using a parameter Delta M(H). The behavior of Delta M(H) is reported to be strongly dependent on the doping and consequently the coercivity of the media. High-coercive-force media exhibit a net magnetizing effect in Delta M(H), which changes to a net demagnetizing effect as the coercivity decreases. This is interpreted in terms of changes in the particle interactions introduced through doping.< >
ISSN:0018-9464
1941-0069
DOI:10.1109/20.50542