Microstructural Study of Electroless-Plated CoNiReP/NiMoP Double-Layered Media for Perpendicular Magnetic Recording

Tetsuya Osaka*, Hiroshi Matsubara, Takayuki Homma, Satoshi Mitamura, Kazuhiro Noda

*この研究の対応する著者

研究成果: Article査読

27 被引用数 (Scopus)

抄録

The microstructure of the electroless CoNiReP/NiMoP double-layered media was examined with various methods, focusing upon that of the in-plane anisotropy initial regions of the CoNiReP recording layers, and the origin of the initial region was discussed. It was confirmed that the initial region consists of randomly oriented fcc crystallites with Nirich composition, showing the granular condition, while the upper region with the perpendicular anisotropy consists of perpendicularly oriented hcp crystallites, forming the columnar structure with 20- to 30-nm diameter. It is considered that the formation of the initial region is due to a preferential deposition of Ni onto the NiMoP underlayers, and that the thickness of the initial region changes due to a change in the condition of the NiMoP underlayers, especially that of surface activity and/or morphology at their surfaces.

本文言語English
ページ(範囲)1939-1943
ページ数5
ジャーナルJapanese journal of applied physics
29
10
DOI
出版ステータスPublished - 1990 10月

ASJC Scopus subject areas

  • 工学一般
  • 物理学および天文学一般

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