| 坡莫磁阻薄膜的热处理研究 |
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| 引用本文： | 章岚 郭懋端. 坡莫磁阻薄膜的热处理研究[J]. 功能材料, 1993, 24(5): 399-401 |
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| 作者姓名： | 章岚 郭懋端 |
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| 作者单位： | 中科院上海冶金所，中科院上海冶金所，中科院上海冶金所 上海 200050，上海 200050，上海 200050 |
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| 摘 要： | 研究了坡莫磁阻薄膜的热处理工艺对电磁性能和组织结构的影响。通过溅射样品退火处理前后的X射线和TEM分析表明退火后(111)织构加强,堆垛层错减少,晶粒长大,缺陷减少。退火后电阻率下降,各向异性磁阻提高,但软磁性能没有改善,这些是与微结构变化相联系的。
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| 关 键 词： | 坡莫磁阻薄膜 堆垛层错 热处理 |
Studies of Annealing Effects on Thin Magnetoresistive Permalloy Films |
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| Zhang Lan Gou Mao-duan Xu Mei-di. Studies of Annealing Effects on Thin Magnetoresistive Permalloy Films[J]. Journal of Functional Materials, 1993, 24(5): 399-401 |
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| Authors: | Zhang Lan Gou Mao-duan Xu Mei-di |
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| Abstract: | The effects of annealing on the electrical resistivity, anisotropic magnetoresistivity and hysteresis loop were studied on sputtered permalloy thin films. X-ray techniques and transmission electron microscopy were used to investigate the microstructure of unannealed and annealed permalloy films. The decrease of the resistivity was attributed to the increase of the average crystallite size and the reduction of defects after annealing. The increase of the anisotropic magnetoresistivity was related to the enhancement of the (111) preferential orientation. The magnetic properties were also slightly changed by the annealing treatments and these might be ascribed to the reduction of the shape anisotropy when the stacking faults were decreased after annealing. |
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| Keywords: | (111) texture permalloy thin films stacking faults soft magnetic properties |
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