スピンバルブヘッドにおける交換結合磁界の角度分散の影響

DOI NDLデジタルコレクション Web Site 参考文献15件

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タイトル別名
  • Effects of Exchange Field Angular Deviation in Spin-Valve Heads.
  • スピンバルブヘッド ニ オケル コウカン ケツゴウ ジカイ ノ カクド ブンサン ノ エイキョウ

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説明

The effect of angular deviation of the exchange bias field on the read performance of spin-valve (SV) heads was investigated. The calculated output voltage showed large variation when the angular deviation of the exchange bias field was increased. For a deviation angle of around 10°, wide variation was observed in the peak asymmetry. This seems to be caused by the generation of magnetic domains in the pinned layer. It is necessary to increase the exchange bias field up 800 Oe in order to diminish the asymmetry instability. Tilting the average direction of the exchange bias field was also effective in suppressing the magnetization reversal in the pinned layer.

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