PREPARATION OF A TL-BASED SUPERCONDUCTOR BY A HYDROTHERMAL METHOD

被引:11
作者
CHEN, QW [1 ]
QIAN, YT [1 ]
CHEN, ZY [1 ]
TANG, KB [1 ]
ZHOU, GE [1 ]
ZHANG, YH [1 ]
机构
[1] ACAD SINICA,UNIV SCI & TECHNOL CHINA,STRUCT RES LAB,HEFEI 230026,PEOPLES R CHINA
来源
PHYSICA C | 1994年 / 224卷 / 3-4期
关键词
D O I
10.1016/0921-4534(94)90258-5
中图分类号
O59 [应用物理学];
学科分类号
摘要
A Tl-based superconductor with T(c) onset near 95 K and zero resistance at 65 K has been prepared by a hydrothermal method. X-ray powder diffraction studies showed that al least two superconducting phases of 2201 and 2212 were included in the sample. It was found that the amount of H2O2 and BaO in the reaction system could affect the formation of the superconducting phases.
引用
收藏
页码:228 / 230
页数:3
相关论文
共 5 条
[1]  
DAWSON WJ, 1988, CERAM B, V67, P1673
[2]   MELT-PROCESSIBLE RARE EARTH-BA-CU-O SUPERCONDUCTORS BASED ON MOLTEN BA-CU OXIDES [J].
HERMANN, AM ;
SHENG, ZZ .
APPLIED PHYSICS LETTERS, 1987, 51 (22) :1854-1856
[3]   SUPERCONDUCTIVITY IN THE RARE-EARTH-FREE TL-BA-CU-O SYSTEM ABOVE LIQUID-NITROGEN TEMPERATURE [J].
SHENG, ZZ ;
HERMANN, AM .
NATURE, 1988, 332 (6159) :55-58
[4]   SUPERCONDUCTIVITY AT 90-K IN THE TL-BA-CU-O SYSTEM [J].
SHENG, ZZ ;
HERMANN, AM ;
ELALI, A ;
ALMASAN, C ;
ESTRADA, J ;
DATTA, T ;
MATSON, RJ .
PHYSICAL REVIEW LETTERS, 1988, 60 (10) :937-940
[5]   CRYSTAL-STRUCTURES OF HIGH-TC OXIDES - THE YEARS 1987 AND 1988 [J].
YVON, K ;
FRANCOIS, M .
ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER, 1989, 76 (04) :413-444