High Power Behavior and Spin-wave Spectrum in a Hexagonal Ferrite with Large Planar Anisotropy

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概要

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• Anisotropy of the absorption saturation of ferromagnetic resonance under a high rf-field was measured in a spherical sample of single crystal Zn_2Y by the parametric excitation method. The measured absorption consists of three parts: a main mode and two subsidiary absorptions. To analyse the high power behaviors of these absorption peaks, an anisotropic dispersion relation of spin waves is derived from a phenomeno-logical treatment. The first and the second order non-linear behaviors are distinguished clearly in agreement with theory. Details of two subsidiary peaks accompanying with the main mode resonance are explained in terms of the dissipation processes due to the excitation of the spin wave corresponding to the obtained spectrum.

• 社団法人日本物理学会の論文
• 1965-09-05

著者

• Mita Masaru

  Central Research Laboratory Tokyo Shibaura Electric Co. Ltd.

関連論文

• Magnon Analysis of Ferromagnetic Resonance in a Planer Ferrite, Zn_2Y
• High Power Behavior and Spin-wave Spectrum in a Hexagonal Ferrite with Large Planar Anisotropy

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