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用熔融法获得Tl-Ca—Ba-Cu—O高Tc超导体
Fabrication of High Tc Superconductor with Tl-Ca-Ba-Cu-O by Melting Method
【摘要】 本文介绍了一个制备Tl-Ca-Ba-Cu-O高Tc超导材料的简单工艺,利用这种工艺制备了重复性好,性能稳定的Tl-Ca-Ba-Cu-O超导体,起始转变温度超过140K,零电阻温度为107K。
【Abstract】 A simple melting process to prepare Tl-Ca-Ba-Cu-O superconducting material is described.It is of fine reproducibility and stability. Tl-Ca-Ba- Cu-O superconductor with the onset temperature over 140K and zero resis- tance state at 107K was obtanded.
【关键词】 熔融;
方法;
高温;
超导材料;
Tl;
Ca;
Ba;
Cu;
O;
【Key words】 Melting methods; High temperature superconducting matrials; Tl-Ca-Ba-Cu-O;
【Key words】 Melting methods; High temperature superconducting matrials; Tl-Ca-Ba-Cu-O;
- 【文献出处】 西北大学学报(自然科学版) ,Journal of Northwest University(Natural Science Edition) , 编辑部邮箱 ,1989年02期
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