GIANT MAGNETO-IMPEDANCE EFFECTS AND MAGNETIC PERMEABILITY IN CuBe/INSULATOR/CoNiP ELECTROLESS DEPOSITED COMPOSITE WIRES

被引：2

作者：

Cheng, J. K. ^{[2
]}

Zhao, Z. J. ^{[1
]}

Xin, H. L. ^{[1
]}

Wu, Z. M. ^{[1
]}

Yang, X. L. ^{[1
]}

Yuan, W. Z. ^{[1
]}

机构：

[1] E China Normal Univ, Dept Phys, Shanghai 200062, Peoples R China

[2] Guizhou Univ, Coll Chem Engn, Guiyang 550003, Peoples R China

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2011年 / 25卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Giant magneto-impedance; CoNiP; electroless deposition; insulator; INSULATOR LAYER; MAGNETOIMPEDANCE; ENHANCEMENT; RIBBONS; FILMS;

D O I：

10.1142/S0217979211057797

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Giant magneto-impedance (GMI) effects were investigated in CuBe/CoNiP and CuBe/Insulator/CoNiP composite wires prepared by electroless deposition on pure or insulated CuBe wires. Experimental results show that the maximal GMI ratio and the field sensitivity of the composite wires are further improved by adding an insulator layer between the CuBe core and ferromagnetic layer. A. distinct MI effect was observed in the composite wires with insulator even at low frequencies. MI ratio is about 18% at 20 kHz and 239% at 600 kHz. The maximal field sensitivity is 34%/Oe at 600 kHz. The properties of GMI in these composite wires are analyzed via complex permeability.

引用

页码：111 / 117

页数：7

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