| Study on Physical Process of Surface Oxidation of Rare Earth-Transition Metal Amorphous Magneto-Optical Thin Films |
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| 引用本文： | 沈德芳,金丽娜,俞祥游,王丽娟. Study on Physical Process of Surface Oxidation of Rare Earth-Transition Metal Amorphous Magneto-Optical Thin Films[J]. 中国稀土学报(英文版), 1992, 0(4) |
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| 作者姓名： | 沈德芳 金丽娜 俞祥游 王丽娟 |
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| 作者单位： | Shanghai Institute of Metallurgy Academia Sinica，Shanghai 200050，China，Shanghai Institute of Metallurgy，Academia Sinica，Shanghai 200050，China，Shanghai Institute of Metallurgy，Academia Sinica，Shanghai 200050，China，Shanghai Institute of Metallurgy，Academia Sinica，Shanghai 200050，China |
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| 摘 要： | By using surface effects(Auger electron spectroscopy,X-ray photoelectron spectroscopy,polar Kerreffect)and volume effects(magnetization,torque curve)the physical process of surface oxidation of rareearth-transition metal amorphous magneto-optical thin films was studied in this paper.The rare earth elementsoxidize preferentially and rich at the film surface,and the transition metals deplete in oxidation layer.Fe_2O_3 inthe surface oxidation layer contributes to the planar magnetization,and thereby the anomalous peak appearsnear 180° on the torque curves and the amplitude of the peaks is related to the depth of surface oxidationlayers.The iron bonds to oxygen easier than the cobolt.RE-Co magneto-optieal thin films have good propertiesof resistance to oxidation and humidity.
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Study on Physical Process of Surface Oxidation of Rare Earth-Transition Metal Amorphous Magneto-Optical Thin Films |
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| Shen De-Fang Jin Li-Na Yu Xiang-You Wang Li-Juan. Study on Physical Process of Surface Oxidation of Rare Earth-Transition Metal Amorphous Magneto-Optical Thin Films[J]. Journal of Rare Earths, 1992, 0(4) |
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| Authors: | Shen De-Fang Jin Li-Na Yu Xiang-You Wang Li-Juan |
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| Abstract: | |
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| Keywords: | Rare earth Magneto-o tical thin film Thin film oxidation Surface energy spectroscopy Magneto-optical effect |
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