| Electrochemical studies on La-Co alloy film in acetamide-urea-NaBr melt system |
| |
| 引用本文： | 郭承育,王建朝,陈必清,王金贵. Electrochemical studies on La-Co alloy film in acetamide-urea-NaBr melt system[J]. 中国有色金属学会会刊, 2005, 15(5): 1190-1193 |
| |
| 作者姓名： | 郭承育 王建朝 陈必清 王金贵 |
| |
| 作者单位： | Department of Chemistry，Qinghai Normal University，Xining 810008，China，Department of Chemistry，Qinghai Normal University，Xining 810008，China，Department of Chemistry，Qinghai Normal University，Xining 810008，China，Department of Chemistry，Qinghai Normal University，Xining 810008，China |
| |
| 摘 要： | 1INTRODUCTIONThe magnetic rare earth elements bring signif-icant changes to the magnetic material industry dueto their excellent magnetic and magneto-opticalproperties[1].Since La and Co are rich elements innature,in addition to their relatively cheap prices,it would be very prospective to prepare magneticfunctional materials using La-Co alloy.Comparedwith traditional techniques of spray and vacuumspattering or sputtering,electrodeposition is aneconomical method to develop alloy fil m du…
|
| 关 键 词： | 乙酰胺 溴 钠 电化学 稀土元素 |
| 文章编号： | 1003-6326（2005）05-1190-04 |
| 收稿时间： | 2004-10-18 |
| 修稿时间： | 2005-04-04 |
Electrochemical studies on La-Co alloy film in acetamide-urea-NaBr melt system |
| |
| GUO Cheng-yu,WANG Jian-chao,CHEN Bi-qing,WANG Jing-gui. Electrochemical studies on La-Co alloy film in acetamide-urea-NaBr melt system[J]. Transactions of Nonferrous Metals Society of China, 2005, 15(5): 1190-1193 |
| |
| Authors: | GUO Cheng-yu WANG Jian-chao CHEN Bi-qing WANG Jing-gui |
| |
| Abstract: | The kinetics of La-Co alloy film in acetamide-urea-NaBr molten salt electrolyte at 353 K was investigated. It is shown that the reduction of Co( Ⅱ ) to Co is irreversible reaction with the transfer coefficient of 0.28 and the diffusion coefficient of 7.46 × 10-5cm2/s. While La( Ⅲ ) cannot be reduced to La directly; but can be codeposited with cobalt. The content of La in the uncrystallized La-Co alloy film increases with increasing cathodic overpotential, molar ratio of La3 to Co2 and electrolysis time as well, and reaches the maximum of 66.32%. |
| |
| Keywords: | La-Co alloy film acetamide-urea-NaBr molten salt electrolyte electroreduction inductive co-deposition rare earth elements |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
