| 磁性薄膜的晶格结构和磁性 |
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| 引用本文： | 付浩,胡经国.磁性薄膜的晶格结构和磁性[J].低温物理学报,2011(6). |
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| 作者姓名： | 付浩 胡经国 |
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| 作者单位： | 淮阴师范学院物理与电子电气工程学院;扬州大学物理科学与技术学院; |
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| 基金项目： | 国家自然科学基金(批准号:10974170); 教育部留学人员回国科研启动基金(批准号:2007/1108)资助的课题~~ |
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| 摘 要： | 采用Monte-Carlo模拟方法对六边形、正方形和三角形晶格结构磁性薄膜的磁学特性及磁畴结构进行了模拟,结果表明,磁性薄膜的磁性特征及其磁相变温度和薄膜结构密切相关并存在临界膜厚,当薄膜厚度大于临界膜厚时薄膜磁性特征稳定.在低温区,不同结构磁性薄膜的磁滞回线均出现台阶现象,结果同相关实验一致.
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| 关 键 词： | 磁性薄膜 晶格结构 相变温度 矫顽场 |
THE LATTICE STRUCTURE AND MAGNETISM OF MAGNETIC FILM |
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| FU Hao HU Jing-Guo School of Physics , Electronic Electrical Engineering,HuaiYin Normal University,Jiangsu HuaiAn ,School of Physics , Technology,YangZhou University,Jiangsu YangZhou.THE LATTICE STRUCTURE AND MAGNETISM OF MAGNETIC FILM[J].Chinese Journal of Low Temperature Physics,2011(6). |
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| Authors: | FU Hao HU Jing-Guo School of Physics Electronic Electrical Engineering HuaiYin Normal University Jiangsu HuaiAn School of Physics Technology YangZhou University Jiangsu YangZhou |
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| Affiliation: | FU Hao1 HU Jing-Guo2 1School of Physics and Electronic Electrical Engineering,HuaiYin Normal University,Jiangsu HuaiAn 223300,2School of Physics and Technology,YangZhou University,Jiangsu YangZhou 225002 |
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| Abstract: | The magnetic properties and domain structure of the magnetic film with the hexagon,square and triangle lattice structure are simulated by Monte-Carlo method.The results indicate that the properties and phase-transition temperature are related to the structure of the film,and there is the critical film thickness.When the film thickness is bigger than the critical value,the magnetic properties are stable.At lower temperature,there appears step phenomenon of magnetic hysteresis loop for different kinds of film... |
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| Keywords: | Magnetic film Lattice Structure Phase-Transition Temperature Coercive Field |
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