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The effect of induced anisotropy on stabilized 180° wall displacements in perminvar ferrite

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Czechoslovak Journal of Physics B Aims and scope

Abstract

The results of a calculation of the energy of 180° Bloch wall in stabilized and displaced positions are presented. Néel's and Broese van Groenou treatments of the influence of magnetic after-effect on the movement of Bloch walls in a material with weak induced anisotropy are extended to the case of strong induced anisotropy which is characteristic of perminvar ferrite. We study effects of displacements of the originally stabilized walls and the changes of the aftereffect energy when the walls are periodically moving. The results of our calculations are compared with the experiments.

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References

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Authors and Affiliations

  1. Research Institute of Telecommunications, Třebohostická 987, 100 43, Praha 10, Czechoslovakia

    K. Hanuš

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  1. K. Hanuš
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Dedicated to Dr. Svatopluk Krupička on the occasion of his 65th birthday.

The author is indebted to Dr. Sv. Krupička for his proposal of the problem and valuable remarks and discussions. The stimulating discussions with Dr. K. Závěta are appreciated.

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Hanuš, K. The effect of induced anisotropy on stabilized 180° wall displacements in perminvar ferrite. Czech J Phys 37, 47–54 (1987). https://doi.org/10.1007/BF01597877

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  • DOI: https://doi.org/10.1007/BF01597877

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