Interaction effects detected by Fourier analysis of hysteresis loops and initial magnetization curves

A new technique for the estimation of interparticle interaction effects in some magnetic systems is developed only on the basis of Fourier description of experimental hysteresis loops and initial magnetization curves, avoiding remanence measurements. This technique is applied for Ba-ferrite powders...

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Bibliographic Details
Published in:IEEE transactions on magnetics 1994-03, Vol.30 (2), p.863-865
Main Authors: Geshev, J., Masheva, V., Mikhov, M.
Format: Article
Language:English
Subjects:
Artificial intelligence
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Magnetic analysis
Magnetic field measurement
Magnetic hysteresis
Magnetic properties and materials
Magnetic recording
Particle measurements
Physics
Powders
Remanence
Saturation magnetization
Small particles and nanoscale materials
Studies of specific magnetic materials
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Summary:A new technique for the estimation of interparticle interaction effects in some magnetic systems is developed only on the basis of Fourier description of experimental hysteresis loops and initial magnetization curves, avoiding remanence measurements. This technique is applied for Ba-ferrite powders and for several currently used magnetic recording media. It is found that the results coincide fairly well with these obtained by the commonly accepted /spl Delta/I technique, using remanence curves.< >
ISSN:0018-9464
1941-0069
DOI:10.1109/20.312429