| 淬态FeNiCrSiB薄带的磁特性和纵向巨磁阻抗效应 |
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| 引用本文： | 邵先亦,陈卫平,李志刚,吴海华,杜运波. 淬态FeNiCrSiB薄带的磁特性和纵向巨磁阻抗效应[J]. 真空科学与技术学报, 2011, 31(6): 743-747. DOI: 10.3969/j.issn.1672-7126,2011.06.18 |
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| 作者姓名： | 邵先亦 陈卫平 李志刚 吴海华 杜运波 |
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| 作者单位： | 1. 浙江台州学院物理与电子工程学院 台州318000
2. 浙江杭州师范大学物理系 杭州310036 |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 采用单辊快淬法制备了(Fe50Ni50)77.5Cr0.5Si11B11合金薄带,测试了淬态薄带样品的微结构、静磁性能、磁导率和磁阻抗。研究结果表明,未经热处理的淬态(Fe50Ni50)77.5Cr0.5Si11B11合金薄带便具有良好的软磁性能和显著的巨磁阻抗效应,在7MHz频率下,纵向最大阻抗比达到31%。同时分析了几个典型频率下的纵向磁阻抗比、电阻比、电抗比和有效磁导率比随外磁场的变化行为,发现薄带样品的电抗比和有效磁导率比之间存在密切联系。由于内部结构的不均匀性,使得样品的横向各向异性场随驱动电流频率增大向高场方向移动。
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| 关 键 词： | FeNiCrSiB薄带 巨磁阻抗效应 电阻 电抗 有效磁导率 |
Longitudinal Giant Magneto-Impedance and Magnetic Properties of As-Quenched FeNiCrSiB Ribbons |
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| Shao Xianyi,Chen Weiping,Li Zhigang,Wu Haihua,Du Yunho. Longitudinal Giant Magneto-Impedance and Magnetic Properties of As-Quenched FeNiCrSiB Ribbons[J]. JOurnal of Vacuum Science and Technology, 2011, 31(6): 743-747. DOI: 10.3969/j.issn.1672-7126,2011.06.18 |
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| Authors: | Shao Xianyi Chen Weiping Li Zhigang Wu Haihua Du Yunho |
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| Affiliation: | Shao Xianyi1,Chen Weiping1,Li Zhigang1,Wu Haihua2,Du Yunbo1(1.School of Physics and Electronics Engineering,Zhejiang Taizhou University,Taizhou 318000,China,2.Department of Physics,Zhejiang Hangzhou Normal University,Hangzhou 310036,China) |
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| Abstract: | The(Fe50Ni50)77.5Cr0.5Si11B11composite ribbons were fabricated by melt-spinning.The impacts of the sample preparation conditions on its microstructures and magnetic properties were studied with X-ray diffraction and conventional techniques.The results show that the as-quenched ribbons exhibit good soft magnetic property,and that its maximum longitudinal giant magneto-impedance ratio can be 31% at a frequency of 7.0 MHz.In addition,the field dependence of its magneto-impedance ratio,resistance ratio,reactanc... |
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| Keywords: | FeNiCrSiB ribbons Giant magneto-impedance effect Resistance Reactance Effective permeability |
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