Mechanism of Disaccommodation in Ferrites

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概要

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• Theory and experimental techniques developed in the study of the uniaxial anisotropy in iron-cobalt ferrites have been applied to the disaccommodation phenomena in ferrites. The results have shown clearly and quantitatively that the underlying mechanisms are essentially the same in these two phenomena, i.e., process of reorientation of the ionic configuration through vacancy migration mechanism. Differences are only in the magnitude of the anisotropy induced and of the activation energy of the migration. It has been shown by applying fine techniques of controlling the amount of cation vacancies that the disaccommodation of high quality manganese-zinc ferrites with μ_0=5300 is easily controlled and the value △μ_0/μ_0 of less than 0.02% at 10^3 seconds after A.C. demagnetization has been obtained without loss in quality.

• 一般社団法人日本物理学会の論文
• 1962-01-05

著者

• IIDA S.

  Department of Pathology, College of Medicine, University of Florida

• Iida S.

  Department of Physics, University of Tokyo

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