A study on a novel CoTi underlayer for CoCrPt longitudinal magnetic recording films
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概要
- 論文の詳細を見る
We have investigated the possibility of using CoTi intermetallic compound as a novel underlayer material for Co alloy longitudinal recording media. A CoTi underlayer showed strong (200) single peak when deposited on substrates heated higher than 250 ℃ and thicker than 30 nm. When CoCrPt layer was subsequently deposited on CoTi (200) planes, Co (1120) single peak was developed. The coercivity increased from 2000 Oe to 2500 Oe with increasing thickness of CoTi, underlayer from 30 nm to 200 nm. CoTi shows a smaller grain size than Cr and CoCrPt/CoTi showed 500 to 600 Oe higher coercivity than CoCTPt/Cr deposited on a same condition. Crystallographic texture development of CoTi with varying substrate temperature and varying film thickness was studied by X-ray and grain morphology was examined by TEM.
- 社団法人電子情報通信学会の論文
- 1997-11-20
著者
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Hong S
Sisa
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Hong S.y.
Department Of Materials Science And Engineering Korea Advanced Institute Of Science And Technology
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Lee T
Kaist
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Lee T.d.
Department Of Advanced Material Engineering Korea Advanced Institute Of Science And Technology
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Shin K
Thin Film Technology Research Center Korea Institute Of Science And Technology
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Shin K.H.
Thin Film Technology Research center, Korea Institute of Science and Technology
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