| STUDY ON PREPARATION OF YBa_2Cu_3O_(7-x) ULTRAFINE POWDERS BY SOL-GEL PROCESS |
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| 作者姓名： | 袁启华 邬江新 唐福龙 黄俊 |
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| 作者单位： | Yuan Qihua Wu Jiangxin Tang Fulong Huang JunDepartment of Mechanics Engineering，Institute of Advanced Materials Wuhan University of Technology P.R 430070，China |
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| 摘 要： | The ultrafine powders of YBa_2Cu_3O_(7-x) withthe size of 100nm were synthesized by Sol-Gel process using cit-rate as complex and ammonium hydroxide to adjust pH of solu-tion. The process of Sol formation and Gel polymerization ofYBa_2Cu_3O_(7-x) in the Sol-Gel synthetic reaction has bee studied.The particle size,pruity,sintering activity and superconductingproperties of YBa_2Cu_3O_(7-x)prepared by Sol-Gel method are betterthan by solid state reaction.
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STUDY ON PREPARATION OF YBa_2Cu_3O_(7-x) ULTRAFINE POWDERS BY SOL-GEL PROCESS |
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| Yuan Qihua,Wu Jiangxin,Tang Fulong,Huang Jun.STUDY ON PREPARATION OF YBa_2Cu_3O_(7-x) ULTRAFINE POWDERS BY SOL-GEL PROCESS[J].Journal of Wuhan University of Technology. Materials Science Edition,1994(4). |
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| Authors: | Yuan Qihua Wu Jiangxin Tang Fulong Huang Jun |
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| Affiliation: | Yuan Qihua Wu Jiangxin Tang Fulong Huang JunDepartment of Mechanics Engineering,Institute of Advanced Materials Wuhan University of Technology P.R 430070,China |
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| Abstract: | The ultrafine powders of YBa2Cu3O7-x with the size of 100nm were synthesized by Sol-Gel process using cit-rate as complex and ammonium hydroxide to adjust pH of solu-tion. The process of Sol formation and Gel polymerization of YBa2Cu3O7-x in the Sol-Gel synthetic reaction has bee studied. The particle size ,pruity, sintering activity and superconducting properties of YBa2Cu3O7-x prepared by Sol-Gel method are better than by solid state reaction. |
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| Keywords: | Sol-Gel process YBa2Cu3O7-x ultrafine powders |
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