4.8 nm diameter Ru grains grown on a large-grain seed layer for perpendicular magnetic recording media

Norikazu Itagaki, Shin Saito, Migaku Takahashi

研究成果: Article査読

2 被引用数 (Scopus)

抄録

A concept for the non-magnetic intermediate layer (NMIL) is proposed, which realizes a recording layer of small and highly c-plane oriented grains with no inter-granular exchange coupling. The NMIL consists of three individual epitaxially grown functional layers: a large-grain seed layer (SL) with a highly oriented sheet texture, a first inter-layer (IL1) of small grains and a second inter-layer (IL2) of segregated non-magnetic grains. On focusing on the wettability and the lattice misfit of Ru IL against the SL material, the Mg SL is found to realize the small Ru grains of 4.8 nm diameter retaining a small orientation distribution of 4.1°.

本文言語English
論文番号152006
ジャーナルJournal of Physics D: Applied Physics
41
15
DOI
出版ステータスPublished - 2008 8月 7

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • 音響学および超音波学
  • 表面、皮膜および薄膜

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