Effects of VMn underlayer on Magnetic Properties of CoCrPt Longitudinal Media
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概要
- 論文の詳細を見る
In this study, effects of novel VMn underlayer on magnetic properties of CoCrPt/VMn longitudinal medium were studied and compared with those of CoCrPt/Cr medium. It was found that the VMn film had(200)preferred orientation and the lattice constant was about 0.2967 nm, which is slightly larger than that of the Cr, 0.2888 nm. The grain size of VMn film was 9.3 nm at 30 nm thickness, and this is about 38% smaller than that of a similarly deposited Cr film. The CoCrPt/VMn films showed higher coercivity in comparison with the CoCrPt/Cr films. The coercivity increase seems to be attributed to the increased Co(11.0)texture, improved lattice matching between Co(11.0)and VMn(200)and lower stacking fault density. Mn must have diffused into the CoCrPt magnetic layer more uniformly rather than preferentially along grain boundaries and this reduced Ms at higher substrate temperature.
- 社団法人電子情報通信学会の論文
- 2000-11-07
著者
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Lee T.D.
Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology
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Lee T.d.
Department Of Advanced Material Engineering Korea Advanced Institute Of Science And Technology
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Oh S.c.
Department Of Materials Science And Engineering Korea Advanced Institute Of Science And Technology
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Oh S.
Department Of Materials Science And Engineering
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Lee T.
Department Of Biological And Agricultural Engineering Faculty Of Engineering University Putra Malays
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