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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

金属学报

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。

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 SYNTHESIZED BY UNIDIRECTIONAL REACTION

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

金属学报(英文版)

A unidirectional reaction for synthesis of the high T_c superconductor YBa_2Cu_3O_x has been proposed, Its T_c is 90-94.5 K and △T is 1 K. The phase relationships in the system Y_2BaCuO_5-Y_2Cu_2O_5-CuO-YBa_2Cu_3O_x were studied and discussed.

关键词: unidirectional reaction , null , null

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