定向反应合成高T_C超导化合物YBa_2Cu_3O

金属学报, 1989, 25(2): 95-99.

定向反应合成高T_C超导化合物YBa_2Cu_3O_x

樊占国 , 冀春霖 , 王魁汉 , 崔传孟 , 刘素兰

东北工学院冶金物化教研室

沈阳

东北工学院

关键词：定向反应合成 , YBa_2Cu_3Ox , high T_c superconductor

HIGH T_c SUPERCONDUCTOR YBa_2 Cu_3 O_x PREPARED WITH DIRECT REACTION PROCESS

FAN Zhanguo , JI Chunlin , WANG Kuihan , CUI Chuanmeng , LIU Sulan Northeast University of Technology

Keywords： direct reaction process , YBa_2Cu_3O_x , 高T_C超导体

提出定向反应合成过程制备液氮温区超导化合物YBa_2Cu_3O_x;报道了制备零电阻温度为90—94.5K,ΔT=1K的YBa_2Cu_3O_x的试验结果;试验确定并讨论了Y_2Cu_2O_5-CuO-YBa_2Cu_3O_(6.5)-Y_2BaCuO_5区域内的相平衡关系。

A direct reaction process for producing high T_c spuerconductor YBa_2-Cu_3O_x has been proposed. The T_c of it is 90--94.5 K and △T is 1K. The phaseequilibria in system Y_2 BaCuO_5-Y_2Cu_2O_5-CuO-YBa_2Cu_3O_x were studied and discussed.

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定向反应合成高T_C超导化合物YBa_2Cu_3O_x

HIGH T_c SUPERCONDUCTOR YBa_2 Cu_3 O_x PREPARED WITH DIRECT REACTION PROCESS

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