Preparation of high-Bs Co-Fe soft magnetic thin films by electrodeposition

Tokihiko Yokoshima, Kenta Imai, Toshiki Hiraiwa, Tetsuya Osaka

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Co-Fe soft magnetic thin films with high-saturation magnetic flux density Bs were prepared by electrodeposition. The Bs value of the Co-Fe alloy films deposited from the conventional cell system is lower than that of bulk alloys. With the use of a separated compartment dual cell system, the Bs value of the Co-Fe alloy films was reached the same as that of bulk alloy. The coercivity Hc values were higher than 12 Oe; however, the Hc value could be lowered to 8 Oe by annealing in vacuum with an applied magnetic field. It is suggested that decreasing Hc of the films by annealing is caused by relaxation of lattice distortion. In addition, the high-Bs Co-Fe films show good corrosion resistance.

Original languageEnglish
Pages (from-to)2332-2334
Number of pages3
JournalIEEE Transactions on Magnetics
Volume40
Issue number4 II
DOIs
Publication statusPublished - 2004 Jul 1

Keywords

  • Co-fe alloy
  • Head core material
  • High-saturation magnetic flux density
  • Soft magnetic material

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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