Giant Magneto-Impedance Properties of Quenched Amorphous FeNiCrSiB/Cu/FeNiCrSiB Sandwiched Ribbon

被引：0

作者：

Shao Xianyi ^{[1
]}

Chen Weiping ^{[1
]}

Zhong Binquan ^{[1
]}

Xie Jiawen ^{[1
]}

机构：

[1] Taizhou Univ, Taizhou 318000, Peoples R China

来源：

RARE METAL MATERIALS AND ENGINEERING | 2018年 / 47卷 / 04期

关键词：

FeNiCrSiB sandwiched ribbon; GMI; domain structure; magneto-inductance; effective permeability; MAGNETOIMPEDANCE; ALLOYS; SENSOR;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The giant magneto-impedance (GMI) properties of FeNiCrSiB/Cu/FeNiCrSiB sandwiched ribbon were studied. The results show that the sandwiched ribbon has remarkable GMI effects. The maximum values of the longitudinal and transverse GMI ratios are 282% and 408%, respectively, at the frequency of 0.5 MHz. The orientation of 180 degrees stripe domains tend towards the ribbon axis. Due to the transverse closed magnetic flux loop of sandwiched ribbon, a 10 degrees deflection of stripe domains to the transverse direction is observed. Besides, the relationship of magneto-resistance, magneto-inductance, and effective permeability to GMI were analyzed. It is found that in the frequency range of 40 Hz similar to 10 MHz, the magneto-inductance plays a decisive role. It is attributed to the special sandwiched structure, which reduces energy losses, improves effective permeability significantly and then enhances magneto-inductance effect. The magneto-inductance effect controlled by effective permeability is the principal feature of the GMI.

引用

页码：1160 / 1165

页数：6

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