Giant magneto-impedance and low-frequency magneto-resistance effect in NiFeB coated composite wires

Wangzhi Yuan, Xinzheng Wang, Zhenjie Zhao*, Jianzhong Ruan, Xiaodong Li, Xielong Yang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Composite wires of 100 μm insulated CuBe wire plated with a layer of NiFeB were produced by electroless-deposition, and their magnetic properties were studied. The results showed that a good magneto-impedance (MI) effect can be obtained at relatively low frequency. The largest MI ratio (ΔZ/Z) max obtained is 250% at 500 kHz. Magneto-resistance effect was also observed at low frequency, with the (ΔR/R)max observed to be -8.5% at 540 Hz and 38.7% at 10 kHz. Results are discussed, and the equivalent resistance and inductance as the result of the NiFeB layer are taken into account.

Original languageEnglish
Pages (from-to)1002-1005
Number of pages4
JournalChinese Science Bulletin
Volume49
Issue number10
DOIs
StatePublished - 2004

Keywords

  • Eddy current loss
  • Electroless-deposition
  • GMI

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