| 一种新型巨磁阻抗磁敏开关的设计 |
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| 引用本文： | 蔡晶,郑金菊,柳渊,何佳,周初凯.一种新型巨磁阻抗磁敏开关的设计[J].浙江师范大学学报(自然科学版),2013,36(1):79-82. |
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| 作者姓名： | 蔡晶 郑金菊 柳渊 何佳 周初凯 |
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| 作者单位： | 浙江师范大学数理与信息工程学院,浙江金华,321004 |
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| 基金项目： | 国家自然科学基金资助项目，浙江省大学生科技创新活动计划项目 |
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| 摘 要： | 利用540℃和17．8MPa退火后的Fe73.5Cu1Nb3Si13.5B9纳米晶合金薄带具有宽平台和陡峻下降沿的巨磁阻抗特性研制了一款新型磁敏开关，并介绍了磁敏材料的GMI特性及磁敏开关的电路设计原理．实验结果表明：该磁敏开关的重复性好（2．06％），迟滞误差小（2．71％）．
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| 关 键 词： | 磁敏开关 巨磁阻抗效应 Fe基合金薄带 LC谐振回路 |
A new kind of magnetic switch based on the giant-magneto-impedance |
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| CAI Jing
,
ZHENG Jinju
,
LIU Yuan
,
HE Jia
,
ZHOU Chukai.A new kind of magnetic switch based on the giant-magneto-impedance[J].Journal of Zhejiang Normal University Natural Sciences,2013,36(1):79-82. |
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| Authors: | CAI Jing ZHENG Jinju LIU Yuan HE Jia ZHOU Chukai |
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| Institution: | ( College of Mathematics, Physics and Information Engineering, Zhejiang Normal University, Jinhua Zhejiang 321004, China ) |
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| Abstract: | A new kind of magnetic switch was developed based on the giant-magneto-impedance effect （GMI ） of Fe73.5Cu1Nb3Si13.5B9 amorphous ribbon annealed under the stress of 17.8 MPa and at 540 ℃, which had wide platform and steep decline of the GMI characteristics. The GMI characteristics of magnetic materials and the design principle of magnetic switch were introduced. In addition, the magnetic characteristic of the magnetic switch had been measured. The results showed that the sensor had good repeatability （ 2.06% ） and almost no hysteresis （ 2.71% ）. |
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| Keywords: | magnetic switch giant magneto-impedance effect Fe-based alloy ribbon LC resonant circuit |
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