The Preparation and Magnetic Properties of Strontium Ferrite Thin Film for High Density Recording
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概要
- 論文の詳細を見る
The effects of substrate temperature(Ts), oxygen partial pressure and target composition on structure and magnetic properties of the sputtered strontium ferrite films were investigated. It is found that when Ts>400℃ the films begin to crystallization and the increase of substrate temperature and oxygen partial pressure are beneficial to improve c-axis orientation normal to the film plane. The saturation magnetization Ms increases with the increase of substrate temperature Ts and decreases slightly with the increase of oxygen partial pressure. The film prepared by the target composition of SrO・4Fe_2O_3 in 600℃ has highest value of Ms and Hc in perpendicular direction that is 321 emu/cm^3 and 3.4 kOe, respectively.
- 社団法人電子情報通信学会の論文
- 2000-11-07
著者
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Yang Z
The Research Institute Of Magnetic Materials Lanzhou University
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Yang Zheng
Research Institute Of Magnetic Materials Lanzhou University
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Wei Fulin
Research Institute of Magnetic Materials, Lanzhou University
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Wu Dongping
Research Institute of Magnetic Materials, Lanzhou University
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MATSUMOTO Mitsunori
Department of Information Engineering, Shinshu University
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Wei Fulin
Research Institute Of Magnetic Materials Lanzhou University
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Wei Fulin
Research Institute Of Magnetic Materials
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Zheng Yang
Data Storage Institute
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Yang Zheng
Research Institute Of Magnetic Materials
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Wu Dongping
Research Institute Of Magnetic Materials Lanzhou University
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Matsumoto Mitsunori
Department Of Information Engineering Shinshu University
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Yang Zheng
Research Institute Of Magnetic And Materials Lanzhou University
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