High Density Perpendicular Magnetic Recording Media of Granular-type FePt/MgO/Fe-Ta-C double-layers

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著者

    • ZHANG Zhengang
    • Information Storage Materials Laboratory, Toyota Technological Institute
    • YIN Jinhua
    • Information Storage Materials Laboratory, Toyota Technological Institute
    • PERUMAL A.
    • Information Storage Materials Laboratory, Toyota Technological Institute
    • SUZUKI Takao
    • Information Storage Materials Laboratory, Toyota Technological Institute

抄録

Granular-type FePt films with perpendicular magnetic anisotropy are obtained on top of Fe-Ta-C magnetic soft underlayer by annealing FePt/MgO multilayers. For high-density perpendicular magnetic recording medium application, the issues regarding the FePt film crystallographic texture, microstructure, chemical ordering and magnetic properties are addressed in this paper. Based on this medium design, double-layered FePt disks are fabricated on 2.5-inch glass discs. The magnetic recordin performances of these disks are evaluated by a spin-stand. The results reveal a close correlation between the disks SN<SUB>m</SUB>R recording performance with the initial multilayer structure.

収録刊行物

  • Transactions of the Magnetics Society of Japan

    Transactions of the Magnetics Society of Japan 4(4), 194-199, 2004-11-01

    公益社団法人日本磁気学会

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各種コード

  • NII論文ID(NAID)
    110002666111
  • NII書誌ID(NCID)
    AA1158094X
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    13467948
  • データ提供元
    CJP書誌  NII-ELS  J-STAGE 
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