| Preparation of Gd-Co alloy film in acetamide-urea-NaBr melt |
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| 引用本文： | 徐常威,潘文杰,袁定胜,童叶翔,刘冠昆. Preparation of Gd-Co alloy film in acetamide-urea-NaBr melt[J]. 中国有色金属学会会刊, 2002, 12(5): 1007-1010 |
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| 作者姓名： | 徐常威 潘文杰 袁定胜 童叶翔 刘冠昆 |
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| 作者单位： | SchoolofChemistryandChemicalEngineering,ZhongshanUniversity,Guangzhou510275,China |
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| 摘 要： | Electroreduction of Co(Ⅱ） to metallic Co in acetamide-urea-NaBr metl at 353K is irreversible in one step.Gd(Ⅲ） is not reduced to Gd alone,but can be inductively codeposited with Co(Ⅱ.The amorphous Gd-Co alloy films were obtained by potentiostatic electrolysis.With the cathode potential shifting to negative direction.the content of gadolinium in the alloy increases and can get to 65.89%(mass fraction).The additive of Na2EDTA can make the diameter of the particles of crystalline alloy smaller and change the shape of particles.
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| 关 键 词： | 乙酰胺尿素溴化钠 电解还原 非晶态合金 感应沉积 钆钴合金 |
Preparation of Gd-Co alloy film in acetamide-urea-NaBr melt |
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| Abstract: | Electroreduction of Co(Ⅱ) to metallic Co in acetamide-urea-NaBr melt at 353K is irreversible in one step. Gd(Ⅲ) is not reduced to Gd alone, but can be inductively codeposited with Co(Ⅱ). The amorphous Gd-Co alloy films were obtained by potentiostatic electrolysis. With the cathode potential shifting to negative direction, the content of gadolinium in the alloy increases and can get to 65.89% (mass fraction). The additive of Na2EDTA can make the diameter of the particles of crystalline alloy smaller and change the shape of particles. |
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| Keywords: | acetamide-urea-NaBr electroreduction inductive codeposition amorphous alloy |
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