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Rotational and alternating hysteresis losses in 4% silicon-iron single crystal with the {110} surface

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2 Author(s)
Narita, K. ; Kyushu University, Fukuoka, Japan ; Yamaguchi, T.

The rotational and the alternating hysteresis losses have been measured on small discs of 4% silicon-iron with the {110} surface, and the results have been explained on the basis of the changes in domain-structure observed under various conditions. It has been clarified that the magnetization under the rotating field or the alternating field in the <110> direction proceeds by forming finely divided 90° domain-structure and that the greater part of the hysteresis loss under such conditions can be attributed to the energy dissipation due to the annihilation of domain walls. The thickness dependence of the hysteresis losses has been explained from the changes in domain-wall spacing.

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Magnetics, IEEE Transactions on  (Volume:11 ,  Issue: 6 )