Gradient control of magnetic properties in electroless-deposited CoNiP thin films

Takayuki Homma*, Mitsuru Suzuki, Tetsuya Osaka

*この研究の対応する著者

研究成果: Article査読

22 被引用数 (Scopus)

抄録

In order to establish the methodology for the preparation of the magnetic recording medium whose properties graded along the head field distribution, an intentional gradient control of coercivity, Hc, in electroless-deposited CoNiP thin films was attempted. Microstructure and Hc of the films changed significantly with the rotational speed of the substrate during deposition. Based upon these results, the gradient control of Hc was achieved by employing a programmed variation of the rotational speed of the substrate during the deposition. It was confirmed that not only "single-gradient" but also "dual-gradient" control of Hc in the direction of film thickness can be realized. This method is expected to be a useful technique for preparing a recording medium with magnetic propterties most suitable for recording system parameters such as head properties.

本文言語English
ページ(範囲)134-138
ページ数5
ジャーナルJournal of the Electrochemical Society
145
1
DOI
出版ステータスPublished - 1998 1

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 再生可能エネルギー、持続可能性、環境
  • 表面、皮膜および薄膜
  • 電気化学
  • 材料化学

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