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Longitudinally driven giant magneto-impedance effect enhancement by magneto-mechanical resonance

  • W. Y. Gong
  • , Z. M. Wu
  • , H. Lin
  • , X. L. Yang
  • , Z. J. Zhao*
  • *Corresponding author for this work
  • Ministry of Education of the People's Republic of China

Research output: Contribution to journal › Article › peer-review

Abstract

Longitudinally driven giant magneto-impedance (GMI) effect in amorphous magnetostrictive Fe24Co11.82Ni47.3Si1.47B15 ribbons was investigated. The experimental results showed that the magneto-mechanical resonance of the ribbons had significantly enhanced GMI effect. The strong magneto-mechanical coupling (MMC) interaction resulted in high MI ratio. Maximal GMI ratio of 1532% was obtained in the sample annealed at 340 °C under transverse magnetic field. The results are explained in terms of MMC and resonance of the magnetostrictive materials.

Original languageEnglish
Pages (from-to)1553-1556
Number of pages4
JournalJournal of Magnetism and Magnetic Materials
Volume320
Issue number8
DOIs
StatePublished - Apr 2008
Externally publishedYes

Keywords

  • Amorphous ribbon
  • Longitudinally driven giant magneto-impedance
  • Magneto-mechanical coupling
  • Magneto-mechanical resonance

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