Ru Alloy-Oxide Buffer Layer for Intergranular Exchange Decoupling of CoPt-B2O3 Granular Media

Kim Kong Tham, Ryosuke Kushibiki, Tomonari Kamada, Shintaro Hinata, Shin Saito

研究成果: Article査読

3 被引用数 (Scopus)

抄録

Investigation of magnetic properties and microstructure for the Co80Pt20-30vol% B2O3 granular medium to clarify the effect of utilizing buffer layer (BL) on intergranular exchange coupling was conducted. It was found that the employment of a Ru50Co25Cr25-30vol% TiO2 BL with thickness of around 2 nm will avoid physical contact between magnetic grains in the initial growth region, which is effective to intergranular exchange decouple the magnetic grains. On the other hand, for deposition of BL thicker than 2 nm, underlayer will be flatten that brings the possibility of physical contact of magnetic grains and forms a granular film with strong intergranular exchange coupling.

本文言語English
論文番号8026181
ジャーナルIEEE Transactions on Magnetics
54
2
DOI
出版ステータスPublished - 2018 2

ASJC Scopus subject areas

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

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