| 磁性材料的交换偏置效应浅谈 |
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| 引用本文： | 周圣强,刘先松.磁性材料的交换偏置效应浅谈[J].阜阳师范学院学报(自然科学版),2010,27(4). |
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| 作者姓名： | 周圣强 刘先松 |
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| 作者单位： | 1. 宿州职业技术学院,机电工程系,安徽,宿州,234101
2. 安徽大学,物理与材料科学学院,安徽,合肥,230039 |
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| 基金项目： | 安徽省高校优秀青年人才基金项目(2010SQRL171)资助 |
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| 摘 要： | 交换偏置效应的根源在于铁磁反铁磁界面处交换各向异性能的存在,该效应导致磁滞回线偏置,已应用于信息存储技术及永磁体磁性增强。文章介绍了磁性材料的交换偏置研究进展情况、交换偏置效应的应用、交换偏置计算模型、交换偏置材料制备手段等方面,展望了在新理论、新实验技术的推动下交换偏置研究的前景。针对òscar Iglesias等提出的计算交换各向异性能的公式,提出了通过自洽场理论来得到更为准确的结果。
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| 关 键 词： | 交换偏置 界面耦合 核壳结构 磁性薄膜 交换偏置模型 |
Review of exchange bias of magnetic materials |
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| ZHOU Sheng-qiang,LIU Xian-song.Review of exchange bias of magnetic materials[J].Journal of Fuyang Teachers College:Natural Science,2010,27(4). |
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| Authors: | ZHOU Sheng-qiang LIU Xian-song |
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| Institution: | ZHOU Sheng-qiang1,LIU Xian-song2(1.Department of Electrical Engineering,Suzhou Vocational and Technological College,Suzhou Anhui 234101,2.School of Physics& Material Science,Anhui University,Hefei Anhui 230039,China) |
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| Abstract: | The origin of the exchange bias(EB) is from the energy of exchange anisotropy,and the effect of the EB is applied to IT storage technology and enhancing permanent magnet properties.Introduce the phenomenology of exchange bias and related effects,with emphasis on the applications,the model and synthesization of the EB.with hoping to make a comparatively overall illumination. |
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| Keywords: | exchange bias exchange coupling the structure of core-shell magnetic films EB model |
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