Magnetic Coercivity of Cobalt Fine Praticles in 2% Co-Cu Alloy
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概要
- 論文の詳細を見る
Magnetic coercivity, its temperature dependence and saturation remanence (remanent magnetization remaining after the application of a field of 17 kOe) of cobalt precipitated particles in copper-cobalt alloy containing ca. 2 wt % cobalt were measured as a function of aging time. A coercive force and a remanence field (required to reduce a magnetic remanece to zero) are interpreted in terms of magnetocrystalline and shape anisotropies, and particle-size dependence of the coercive force is discussed in terms of thermal fluctuation of magnetic moment of cobalt single domain particles. Distributions of shape and size of magnetic particles were determined by magnetic analysis. It was found that the axial ratio of the particles increases with aging time.
- 社団法人日本物理学会の論文
- 1964-01-05
著者
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Sato M.
Department of Physics, Tokyo Institute of Technology
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Sato Masayoshi
Department Of Anesthesiology And Intensive Care Yamagata Prefectural Shinjo Hospital
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Mitui Tadayasu
Department Of Physics Faculity Of Science Hokkaido University
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Sato Masayoshi
Department Of Physics Faculity Of Science Hokkaido University:(present) Hitachi Central Research Lab
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Sato M.
Department of Orthopaedic Surgery, Nagoya City University Medical School
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Sato M.
Department of Electronic Engineering Faculty of Engineering Tohoku University
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