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철 및 코발트 - 철합금석출 양극산화피막의 초기석출부가 자기특성에 미치는 영향
강희우(H. W. Kang),荒井賢一(Ken-Ichi Arai) 한국자기학회 1995 韓國磁氣學會誌 Vol.5 No.6
The micro particles shapes of the magnetic films obtained by electrodeposition of Iron ions and Cobalt-Iron mixed ions in aluminum anodic oxidized films are dependent on the size of particle diameter. When the diameter of deposited particles is larger than 300 Å, the film plane anisotropy caused by bottom extremity increases, and the crystalization orientation of FeC deposited unusually in the part of the bottom extremities affects on the coercive force He and the magnetic anisotropy energy Ku. It was confirmed that the shape anisotropy of particle affects on the both He and Ku because the FeC did not deposit in the Iron deposited samples entirely, but in the Cobalt-Iron alloy deposited samples, the effects by the very strong crystalization orientation of the FeC is larger than that of the shape anisotropy. From these results, the Cobalt-Iron alloyed films could switchover the film plane magnetic anisotropy to the perpendicular magnetic anisotropy energy by using the constrainting method of FeC deposition with Cu deposition instead of Cobalt-Iron alloy in the bottom extremities.