Magnetization Mechanism and Conditions for Square Hysteresis Loop in Polycrystalline Soft Ferrites

概要

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The magnetization mechanism proposed by Globus and Guyot has been extended phenomenologically to a hysteresis loop with a relatively large maximum magnetization. The effects of magnetization rotation and of the adjacent grain are taken into account. The squareness ratio is discussed and is shown to have a maximum as a function of the amplitudo of the magnetic field for measuring hysteresis loops. It is concluded that the lower limit and the upper limit in grain size for the appearance of a square loop could be determined by the effects of the magnetization rotation and of the adjacent grain, respectively. The effect of stress anisotropy has also been discussed.
社団法人応用物理学会の論文
1979-12-05