Longitudinally driven magneto-impedance effect in annealed Fe-based nanocrystalline powder materials

  • Z. J. Zhao*
  • , F. Bendjaballah
  • , X. L. Yang
  • , D. P. Yang
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

A powder form of Fe-based nanocrystalline Fe73Cu1Nb1.5V2Si13.5B 9 has been prepared and its longitudinally driven magneto-impedance (LDMI) effect has been studied as a function of the structural and magnetic changes induced by suitable thermal treatments for the first time. The experimental results show that the LDMI ratio increases as the annealing temperature increases in the range of 480-600°C, where nanocrystallization appears, and decreases for annealing temperature above 600°C. The largest LDMI ratio is obtained for compromise values between permeability and electrical conductivity.

Original languageEnglish
Pages (from-to)62-66
Number of pages5
JournalJournal of Magnetism and Magnetic Materials
Volume246
Issue number1-2
DOIs
StatePublished - Apr 2002
Externally publishedYes

Keywords

  • Annealing
  • Fe-based nanocrystalline powder
  • Longitudinal driving
  • Magneto-impedance effect
  • Skin effect

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