High Writability Perpendicular Recording Media With Low Noise Crystalline Soft Underlayer

J. Z. Shi,S. N. Piramanayagam,J. M. Zhao,C. S. Mah, B. Liu

Magnetics, IEEE Transactions（2007）

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摘要

CoCrPt-SiO2-based perpendicular recording media with a thin intermediate layer and narrow c-axis dispersion of the grains in the magnetic layer were successfully prepared with a crystalline soft underlayer (c-SUL). The recording performance testing results show that media with c-SUL exhibit higher writeability than those on amorphous soft underlayer (a-SUL). The noise from c-SUL can be reduced to be lower than that from a-SUL

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关键词

chromium alloys,cobalt alloys,magnetic recording noise,perpendicular magnetic recording,platinum alloys,silicon compounds,CoCrPt-SiO2,amorphous soft underlayer,c-axis dispersion,crystalline soft underlayer,high writability perpendicular recording media,low noise crystalline soft underlayer,magnetic layer,thin intermediate layer,Noise,orientation,perpendicular recording media,soft underlayer,writeability

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