The effects of buffer layers on the crystalline structures and magnetic properties of co-rich co-fe and co-fe-ai films

Jian Wang Cai, Osamu Kitakami, Yutaka Shimada

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

The crystalline structures and magnetic properties of Co-Fe and Co-Fe-A! films with various buffer layers (Cu, Permalloy and Zr), grown on glass or Si substrates, have been studied. It was found that the Co-Fe films on Zr underlayers exhibit very good FCC (111) orientation parallel to the film plane, whereas neither Cu nor Permalloy can suppress the intrusion of HCP phase in the Co-Fe films. Furthermore, the FCC (111) orientation is greatly enhanced by adding a small amount of At to the Co-Fe films with Zr underlayers. The magnetic softness expected for the films with (111) orientation of the FCC phase was not attained for the Co-Fe films because of residual HCP phase and deterioration of the (111) orientation by annealing. On the other hand, the Co-Fe-AI films with Zr buffer layers, which have a single FCC phase with enhanced (111) orientation, are magnetically soft.

Original languageEnglish
Pages (from-to)1778-1784
Number of pages7
JournalJournal of Physics D: Applied Physics
Volume28
Issue number9
DOIs
Publication statusPublished - 1995 Sep 14

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Acoustics and Ultrasonics
  • Surfaces, Coatings and Films

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