PREPARATION OF Fe/Ni MULTILAYER FILMS AND THEIR MAGNETIC PROPERTIES
来源期刊：Acta Metallurgica Sinica2002年第2期
论文作者：H.B.Xu L.L.Liu S.K.Gong X.Y.Yuan X.F.Bi
Key words：multilayer film; EB-PVD; Curie transitiou point; saturationmagnetization; coercivity;
Abstract: FeNi multilayer films were prepared by EB-PVD technique. A modified TG-DSCapparatus was used to measure their Curie temperatures, which were around 760°C,lower than that of pure Fe thin films. The easy magnetization axis was in-plane. Hightemperature annealing in vacuum decreased the coercivity sharply. The saturationmagnetization also changed with heat treatment. After annealing at the temperatureequal to the substrate temperature during deposition, the saturation magnetizationdecreased.
H.B.Xu1，L.L.Liu1，S.K.Gong1，X.Y.Yuan1，X.F.Bi1
(1.Department of Materials Science and Engineering,Beijing University of Aeronautics and Astronautics,Beijing 100083,China)
Abstract:FeNi multilayer films were prepared by EB-PVD technique. A modified TG-DSCapparatus was used to measure their Curie temperatures, which were around 760°C,lower than that of pure Fe thin films. The easy magnetization axis was in-plane. Hightemperature annealing in vacuum decreased the coercivity sharply. The saturationmagnetization also changed with heat treatment. After annealing at the temperatureequal to the substrate temperature during deposition, the saturation magnetizationdecreased.
Key words:multilayer film; EB-PVD; Curie transitiou point; saturationmagnetization; coercivity;
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