| 纳米复合永磁材料中软磁性相交换硬化的研究 |
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| 引用本文： | 张帅,陈喜芳,阴津华,张宏伟,陈京兰,姜宏伟,吴光恒.纳米复合永磁材料中软磁性相交换硬化的研究[J].海洋学报,2010,32(9):6593-6598. |
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| 作者姓名： | 张帅 陈喜芳 阴津华 张宏伟 陈京兰 姜宏伟 吴光恒 |
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| 作者单位： | 中国科学院物理研究所和北京凝聚态物理国家实验室,北京 100190;中国科学院物理研究所和北京凝聚态物理国家实验室,北京 100190;首都师范大学物理系,北京 100048;中国科学院物理研究所和北京凝聚态物理国家实验室,北京 100190;北京科技大学物理系,北京 100086;中国科学院物理研究所和北京凝聚态物理国家实验室,北京 100190;中国科学院物理研究所和北京凝聚态物理国家实验室,北京 100190;首都师范大学物理系,北京 100048;中国科学院物理研究所和北京凝聚态物理国家实验室,北京 100190 |
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| 基金项目： | 国家自然科学基金(批准号:10774178)和北京市教育委员会学科与研究生教育建设项目专项资助的课题. |
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| 摘 要： | 本文就纳米复合永磁材料中软磁相被交换硬化问题,从一维模型和三维模拟计算进行了分析研究. 一维和三维各向异性样品研究表明,在相同微结构下,当硬磁相的各向异性降低时,除矫顽力降低外,在磁矩全部反转之前退磁曲线是一样的. 因此,硬磁相各向异性的降低不会导致最大磁能积(BH)max增大和剩磁增加. 对于三维各向同性样品的模拟计算表明,降低硬磁相的各向异性会使剩磁和(BH)max都明显降低. 因此,增强硬磁相的各向异性并增大硬磁相晶粒尺寸是提高
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| 关 键 词： | 纳米复合永磁 矫顽力 剩磁 磁能积 |
Magnetic hardening of soft phase in nanocomposite permanent magnetic materials by exchange coupling |
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| Zhang Shuai,Chen Xi-Fang,Yin Jin-Hu,Zhang Hong-Wei,Chen Jing-Lan,Jiang Hong-Wei and Wu Guang-Heng.Magnetic hardening of soft phase in nanocomposite permanent magnetic materials by exchange coupling[J].Acta Oceanologica Sinica (in Chinese),2010,32(9):6593-6598. |
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| Authors: | Zhang Shuai Chen Xi-Fang Yin Jin-Hu Zhang Hong-Wei Chen Jing-Lan Jiang Hong-Wei and Wu Guang-Heng |
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| Institution: | State Key Laboratory for Magnetism, Institute of Physics and Beijing National Laboratory for Condensed Mater Physics, Chinese Academy of Sciences, Beijing 100190, China;Department of Physics, Captial Normal University, Beijing 100048, China;State Key Laboratory for Magnetism, Institute of Physics and Beijing National Laboratory for Condensed Mater Physics, Chinese Academy of Sciences, Beijing 100190, China;Department of Physics, University of Science and Technology Beijing, Beijing 100086, C;State Key Laboratory for Magnetism, Institute of Physics and Beijing National Laboratory for Condensed Mater Physics, Chinese Academy of Sciences, Beijing 100190, China;State Key Laboratory for Magnetism, Institute of Physics and Beijing National Laboratory for Condensed Mater Physics, Chinese Academy of Sciences, Beijing 100190, China;State Key Laboratory for Magnetism, Institute of Physics and Beijing National Laboratory for Condensed Mater Physics, Chinese Academy of Sciences, Beijing 100190, China;Department of Physics, Captial Normal University, Beijing 100048, China;State Key Laboratory for Magnetism, Institute of Physics and Beijing National Laboratory for Condensed Mater Physics, Chinese Academy of Sciences, Beijing 100190, China |
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| Abstract: | |
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| Keywords: | nanocomposite permanent magnet coercivity remanence energy product |
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