Effects of grain size distribution on coercivity and permeability of ferromagnets |
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Authors: | Desheng Xue Guozhi ChaiXiling Li Xiaolong Fan |
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Affiliation: | Key Laboratory for Magnetism and Magnetic Materials of MOE, Lanzhou University, 222 Tianshui Road, Lanzhou, Gansu 730000, PRChina |
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Abstract: | Grain size dependence of coercivity and permeability (GSDCP) theory is extended to include grain size distribution in ferromagnets. It is found that the experimental data do not agree with the GSDCP theory on the transition location of different grain size ranges (The GSDCP theory has three different grain size ranges for different magnetization processes.). Correspondingly, including the grain size distribution the GSDCP theory fits the experimental data very well. These results prove that the grain size distribution indeed affects the magnetic properties of nanocrystalline ferromagnets. |
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Keywords: | 75.30.Gw 75.75+a |
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