On the characterization of discontinuous Co80Fe 20/α-Fe2O3 multilayers by AC impedance technology

H. S. Hsu*, C. M. Fu, J. E. Dia, Y. C. Chao, H. S. Hung, J. C.A. Huang

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review


In this study, we have investigated the properties of discontinuous-Co 80Fe20/α-Fe2O3 multilayers by AC impedance technology. The specific feature of the impedance spectra varies with of Co80Fe20 layer characteristics, being related to isolated sate or percolation state of Co80Fe20 cluster in α-Fe2O3 matrix. The equivalent-circuit analysis implies that the carrier conduction is sensitive to the morphology and clusters density of the CoFe grains. Mechanism contributes for the AC conductivity is discussed.

Original languageEnglish
Pages (from-to)88-91
Number of pages4
JournalJournal of Magnetism and Magnetic Materials
Issue number1-3
Publication statusPublished - 2004 Nov
Externally publishedYes
EventInternational Symposium on Advanced Magnetic Technologies - Taipei, Taiwan
Duration: 2003 Nov 132003 Nov 16


  • Discontinuous thin film
  • Equivalent-circuit-method
  • Impedance spectroscopy

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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