Microwave Electromagnetic Characteristics of FeCoNiB Soft Magnetic Thin Films

被引：0
|
作者：
Qiu Jing [1 ]
Gong Rongzhou [1 ]
Feng Zekun [1 ]
Liao Jiansheng [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Dept Elect Sci & Technol, Wuhan 430074, Peoples R China
来源：
RARE METAL MATERIALS AND ENGINEERING | 2011年 / 40卷 / 10期
关键词：
magnetic thin film; microwave electromagnetic; complex permeability; resistivity; PERMEABILITY; ANISOTROPY;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A series of (Fe40Co40B20)(1-x)Ni-x magnetic thin films (x is atomic fraction) were synthesized by magnetron sputtering (RF), and the electromagnetic and microwave properties were investigated. The results show that the microstructure and electromagnetic properties of the films can be altered by varying the content of Ni addition and suitable process parameters. Excellent microwave properties and high resistivity are achieved in the (Fe40Co40B20)(0.91)Ni-9 thin film. The film has the saturation magnetization 4 pi M-s of 2.21 T, the real part of complex permeability mu' is larger than 195 at 0.5-3.0 GHz f(FMR) reaches to 3.16 GHz, and the resistivity is 276 mu Omega.cm. Therefore, the presented films have the potential for the electromagnetic device design in the GHz frequency range.
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页码：1840 / 1843
页数：4
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