Study on asymmetric giant magneto-impedance effect in composite wires

Xiu Fang Yang, Jian Zhong Ruan, Juan Zhang, De Lu Chen, Zhen Jie Zhao

Research output: Contribution to journalArticlepeer-review

Abstract

In this paper, Ni 80Fe 20/Fe 50 Mn 50/Ni 80Fe 20/Cu composite wires were prepared by magnetron sputtering. The influence of the outer layer Ni 80Fe 20 thickness, driving current, frequency on AGMI effect were investigated. The results showed that with the increase of the outer layer Ni 80Fe 20 thickness, ferromagnetic-antiferromagnetic exchange coupling effect firstly increases then decreases. When thickness of the interlayer Ni 80Fe 20, Fe 50Mn 50, Cu were controlled at 0.85, 0.5, 30 μm respectively, the most obvious AGMI could be obtained with the outer-layer Ni 80Fe 20 of 1.72 μm at 1MHz when driving current is 10 mA.

Original languageEnglish
Pages (from-to)2214-2217
Number of pages4
JournalGongneng Cailiao/Journal of Functional Materials
Volume43
Issue number16
StatePublished - 20 Aug 2012

Keywords

  • AGMI
  • Composite wires
  • Magnetron sputtering

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