Giant magneto-impedance effect in Ni80Fe20 composite multilayers

  • Zicheng Song
  • , Wangzhi Yuan
  • , Zhenjie Zhao
  • , Jianzhong Ruan
  • , Xielong Yang
  • , H. L. Seet
  • , X. P. Li

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

The giant magneto-impedance (GMI) effect of (NiFe/SiO2)n/Cu/(SiO2/NiFe)n composite multilayers is investigated. The results show that the magnitude of the GMI effect changes with an increasing number of layers n of bilayers Si02/NiFe. At n = 3, the maximum MI ratios reached 17.08%. When n was further increased to four and five, the MI ratios decreased slightly. This is mainly attributed to changes in the samples’ magnetic characteristics, which is due to the influence of the magnetic moment direction of the NiFe layer and the inner stress.

Original languageEnglish
Pages (from-to)2799-2801
Number of pages3
JournalIEEE Transactions on Magnetics
Volume42
Issue number10
DOIs
StatePublished - Oct 2006

Keywords

  • Giant magneto-impedance (GMI)
  • Ni80Fe20 composite multilayers
  • X-ray diffraction (XRD)
  • magnetic hysteresis loop

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