Ferromagnetic Resonance in Metal Particulate Tapes

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概要

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• The magnetic anisotropy field (H_a) of metal acicular particles in audio tapes was studied using ferromagnetic resonance (FMR). The H_a value of 5.28kOe was obtained assuming acicular particles having a saturation magnetization of M=1.70kG and a gyromagnetic factor of γ/2π=2.926GHz/kOe of pure Fe. From H_a=5.28kOe, the axial ratio of 2.1 is reduced; the value is smaller than the expected value (5-10) due to the shape of acicular particles.

• 社団法人応用物理学会の論文
• 1998-07-15

著者

• Kohmoto Osamu

  Department Of Physics Faculty Of Science Okayama University

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• Perpendicular Ferromagnetic-Resonance Equations Derived by Effective Demagnetizing Factors
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• Effective Demagnetizing Factors of Second-Order Magnetocrystalline Anisotropies in Ferromagnetic Resonance Kittel Formula
• Effective Demagnetizing Factors in Ferromagnetic-Resonance Kittel Equation

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