Simulation Study of Effect of Dispersions on Recording Performances in Perpendicular Magnetic Recording Media(<Special Section>Recent Progress of High-Density Information Storage)
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概要
- 論文の詳細を見る
Effect of dispersions of medium parameters and structure on the recording performance was systematically investigated. Moderately increased M-H loop slope is effective for obtaining higher thermal stability, smaller saturation fields, and higher resolution. It was found that the most influential factor is the dispersion in anisotropy field, H_k. Small H_k dispersion reduced the noise when exchange coupled media were used. Reduced grain size and a stacked structure of the media were expected to give a restricted gain in the signal to noise ratio.
- 社団法人電子情報通信学会の論文
- 2007-08-01
著者
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Honda Naoki
Research Institute For Iron Steel And Other Metals Tohoku University
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Ouchi Kazuhiro
Research Institute For Advanced Science And Technology Osaka Prefecture University
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