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Citation: ZHAO Hong-Ying, YAO Su-Wei, DUAN Yue-Qin, ZHANG Wei-Guo, WU Chi. Electro-deposited CoP-Cu Complex Wires and Giant Magnetic Impedance Effect[J]. Chinese Journal of Applied Chemistry, ;2005, 22(9): 937-941. shu

Electro-deposited CoP-Cu Complex Wires and Giant Magnetic Impedance Effect

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a School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072;
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b Institute of Material Physics, Tianjin University of Technology, Tianjin;
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c Institute of Nanometer Material, Tianjin University of Technology, Tianjin

Corresponding author: YAO Su-Wei,
Received Date: 26 November 2004
Available Online: 5 January 2005
Fund Project: 国家自然科学基金(50271046) (50271046)天津理工大学科技发展基金(LG03019) (LG03019)

A giant magnetic impedance(GMI) effect of complex wires produced by electrodepositing CoP amorphous alloy on cylindrical Cu substrates was studied.The conditions for fabricating CoP amorphous alloy deposits with excellent soft magnetic property were investigated in detail.The P content and soft magnetic property of the alloy deposite depend greatly on cathode deposition current density.When the cathode deposition current density is setting from 16.9×10^-3 A/cm² to 25.3×10-3 A/cm²,the magnetic property of the CoP alloy deposits is quite soft,the GMI effect of the complex wires is very great and all of GMI ratios are beyond 200%,the best of all the GMI ratios is 441%,the best magnetic field sensitive degree is 0.2%/(A·m-1).The measurement result of the dependence of GMI effect on AC frequency shows that its charicteristic frequency is 400 kHz.
- CoP amorphous alloy,
- electrodeposition,
- Giant magnetic impedance(GMI),
- complex wire
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