Micromagnetic studies of high frequency permeability in Fe-Al-N thin film head (マルチメディアストレージ 第6回アジア情報記録技術シンポジウム〔英文〕)
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概要
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A simplified model is set up to study the high frequency response in a thin film head, where two pieces of Fe-Al-N films are placed parallel to each other with opposite alternating external magnetic field applied. ln this model, the frequency response of magnetization vectors in clusters is solved by the Landau-Lifshitz-Gilbert equations, and the permeability of mesoscopic Fe-Al-N thin films analyzed in a wide frequcncy region from 10 to 5000MHz. The model of a soft magnetic thin film is built up based on the ripple structure of the anisotropy field. The magnetostatic interaction between the two Fe-Al-N films is carefully computed to find its effects on the frequency response. The frequency response in a single mesoscopic Fe-Al-N thin film is carefully studied in advance.
- 社団法人映像情報メディア学会の論文
- 2001-11-08
著者
-
Zhang Xuan
Lab Of Advanced Materials Department Of Materials Science And Engineering Tsinghua University
-
Wei Dan
Lab Of Advanced Materials Department Of Materials Science And Engineering Tsinghua University
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