| 电容位移法精确测量磁性薄膜的磁致伸缩系数 |
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| 引用本文： | 万红,邱佚,谢海涛,斯永敏,扬德明.电容位移法精确测量磁性薄膜的磁致伸缩系数[J].功能材料,2002,33(3):262-263,266. |
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| 作者姓名： | 万红 邱佚 谢海涛 斯永敏 扬德明 |
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| 作者单位： | 国防科技大学航天与材料工程学院材料工程与应用化学系,湖南,长沙,410073 |
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| 基金项目： | 国家自然科学基金资助项目 (59971 0 64) |
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| 摘 要： | 介绍了一种精确测量磁性薄膜磁致伸缩系数方法－电容位移法，并自行研制组装了一套测量装置，通过误差分析，仪器的精确标定，对稀土－铁超磁致伸缩薄膜的磁致伸缩系数进行了测量，获得满意的结果。
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| 关 键 词： | 电容位移法 精确测量 磁性薄膜 磁致伸缩系数 |
| 文章编号： | 1001-9731(2002)03-0262-02 |
A method for testing the magnetostriction coefficient of thin films accurately |
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| WAN Hong,QIU Yi,XIE Hai tao,SI Yong min,YANG De ming.A method for testing the magnetostriction coefficient of thin films accurately[J].Journal of Functional Materials,2002,33(3):262-263,266. |
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| Authors: | WAN Hong QIU Yi XIE Hai tao SI Yong min YANG De ming |
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| Abstract: | A method for testing the magnetostriction coefficient of thin film accurately was presented in this paper. The thin film and the sensor of the testing equipment constructed a capacitance. By confirming the relationship between the capacitance and the displacement of the cantilever film, the magnetostriction coefficient of the film could be calculated accurately. The giant magnetostriction of TbDyFe prepared by magnetron sputtering was tested and the results were satisfied. |
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| Keywords: | magnetostriction coefficient thin films capacitance displacement |
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