| Magnetic behaviour investigation on symmetric spin valves of Co／Cu／NiFe and NiFe／Cu／Co |
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| 引用本文： | 李铁,沈鸿烈. Magnetic behaviour investigation on symmetric spin valves of Co／Cu／NiFe and NiFe／Cu／Co[J]. 中国物理, 2002, 11(1): 54-57. DOI: 10.1088/1009-1963/11/1/312 |
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| 作者姓名： | 李铁 沈鸿烈 |
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| 作者单位： | State Key Laboratory of Transducer Technology, Shanghai Institute of Metallurgy, Chinese Academy of Sciences, Shanghai 200050, China |
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| 基金项目： | Project supported by the Shanghai Research Center for Applied Physics (Grant No. 99JC14003), and the Shanghai Research and Development Foundation for Application Materials (Grant No. 98006). |
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| 摘 要： | In this paper,we have obtained and investigated the magnetic behaviours of the ferromagnetic layer in the symmetric spin valves of Co/Cu/NiFe and NiFe/Cu/Co by measuring with a vibrating sample magnetometer and analysing in terms of the multi-domain Ising models.It has been found that some magnetic layer can have quite different magnetic behaviours in different structures of spin valves,depending on the properties of the under-layer.In our investigation,we have found that the magnetic behaviour of a Co layer depends mainly on the magnetization of the under-layer,whereas this is not the case for the NiFe layer.
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| 关 键 词： | 磁阻材料 自旋值 磁性质研究 |
| 收稿时间： | 2001-05-18 |
| 修稿时间： | 2001-09-09 |
Magnetic behaviour investigation on symmetric spin valves of Co/Cu/NiFe and NiFe/Cu/Co |
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| Li Tie and Shen Hong-Lie. Magnetic behaviour investigation on symmetric spin valves of Co/Cu/NiFe and NiFe/Cu/Co[J]. Chinese Physics, 2002, 11(1): 54-57. DOI: 10.1088/1009-1963/11/1/312 |
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| Authors: | Li Tie and Shen Hong-Lie |
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| Affiliation: | State Key Laboratory of Transducer Technology, Shanghai Institute of Metallurgy, Chinese Academy of Sciences, Shanghai 200050, China |
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| Abstract: | In this paper, we have obtained and investigated the magnetic behaviours of the ferromagnetic layer in the symmetric spin valves of Co/Cu/NiFe and NiFe/Cu/Co by measuring with a vibrating sample magnetometer and analysing in terms of the multi-domain Ising models. It has been found that some magnetic layer can have quite different magnetic behaviours in different structures of spin valves, depending on the properties of the under-layer. In our investigation, we have found that the magnetic behaviour of a Co layer depends mainly on the magnetization of the under-layer, whereas this is not the case for the NiFe layer. |
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| Keywords: | magnetic property spin valve giant magnetoresistance sandwich |
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