A portable technique for the contactless measurement of magnetoresistance using infrared fiber optics

被引：6

作者：

Stanton, Tomas ^{[1
]}

Deakin, Tom

Vopsaroiu, Marian

Artyushenko, Viacheslav G.

Thompson, Sarah M.

机构：

[1] Univ York, Phys Dept, York YO10 5DD, N Yorkshire, England

[2] Funct Multiferroic Mat, Natl Phys Lab, Teddington TW11 0LW, Middx, England

[3] ART Photon GmbH, D-12489 Berlin, Germany

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2007年 / 43卷 / 06期

基金：

英国工程与自然科学研究理事会;

关键词：

giant magnetoresistance (GMR); infrared magnetorefractive effect; magnetorefractive effect (MRE); noncontact GMR measurement;

D O I：

10.1109/TMAG.2007.893310

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A prototype instrument is presented which can quickly and cost-effectively make noncontact measurements of giant magnetoresistance (GMR). The instrument is based on the magnetorefractive effect (MRE) which has previously been shown to be strongly related to GMR in metallic materials. The realization of the instrument exploits mid-to-far infrared transmitting optical fibers which shield the infrared radiation from the environment and enable its efficient focussing. The instrument is tested on a GMR CoFe/Cu multilayer and its response compared to a control sample of Cr.

引用

页码：2767 / 2769

页数：3

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