TEM analysis of the microstucture of CoCrNbPt perpendicular magnetic recording media : The effects of intermediate layers in the double layer media
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概要
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The effects of Ti, Pt and Ti/Pt intermediate layers were studied by TEM on the microstructure of double layered perpendicular magnetic recording media. The Ti intermediate layer became amorphous and the grain size of Co-Cr-Nb-Pt was reduced to 10-13nm with no preferred orientation. Pt intermediate layer provided(0001) texture of CoCrNbPt, and 20-40nm grain size. TEM showed high stress field at the permalloy-Pt-CoCrNbPt interfaces. The best properties were achieved by Ti/Pt stacked intermediate layer: Ti(5nm) interrupted heteroepitaxy, provided high nucleation density and reduced grain size of the Pt(10nm) of preferred(111) orientation. These conditions favoured(0001) orientation and 10-16nm grain size of the CoCrNbPt recording layer.
- 社団法人電子情報通信学会の論文
- 2001-09-20
著者
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Safran Gyorgy
Research Institute For Technical Physics And Materials Science Hungarian Academy Of Sciences
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Honda N
Akita Research Institute Of Advanced Technology (ait)
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Honda Naoki
Akita Research Institute Of Advanced Technology
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Ouchi Kazuhiro
Akita Research Institute Of Advanced Technology
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Ouchi Kazuhiro
Akita Prefectural Univ.
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Ariake Jun
Akita Research Institute of Advanced Technology (AIT)
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Honda Naoki
Akita Prefectural R & D Center Akita‐shi Jpn
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