A Study on Electroless Plating of Cobalt Alloy Films for Perpendicular Recording

Tetsuya Osaka, Naoki Kasai, Ichiro Koiwa

研究成果: Article査読

34 被引用数 (Scopus)

抄録

An electroless plating bath for the preparation of perpendicular recording media was developed. It was found that the hcp structure of Co-P is oriented normal to the film plane with the Mn codeposition into the films. First, an ammoniacal malonate-malate bath, containing MnSO4, was selected. Nickel was codeposited into the films in order to decrease the saturation magnetization, Ms, since low Ms is necessary to decrease the demagnetizing field. Second, effects were investigated for three factors (i.e., MnSO4 concentration, bath pH, and NiSO4 concentration) causing the c-axis perpendicular orientation of the film properties. Optimum plating conditions for perpendicular recording media were thus determined.

本文言語English
ページ(範囲)790-794
ページ数5
ジャーナルJournal of the Electrochemical Society
130
4
DOI
出版ステータスPublished - 1983 4

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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