GROWTH OF BI-(SR,LA)-CU-O SINGLE-CRYSTALS WITH THE FLOATING-ZONE TECHNIQUE

被引：5
|
作者：
EMMEN, JHPM [1 ]
BRABERS, VAM [1 ]
DEJONGE, WJM [1 ]
NEVRIVA, M [1 ]
SRAMEK, J [1 ]
机构：
[1] CZECHOSLOVAK ACAD SCI, INST PHYS, PRAGUE 6, CZECHOSLOVAKIA
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 1993年 / 195卷 / 1-2期
关键词：
D O I：
10.1016/0925-8388(93)90676-E
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The TSFZ method has been used to grow crystals of the Bi-oxide superconductor of the Bi-n = 1 structure. The investigated compositions are Bi2Sr2CuO6+z, Bi2.3Sr1.7CuO6+z, and Bi2+xSr1.6-LayCuO6+z (x+y = 0.4). Except for the stoichiometric composition, the TSFZ experiments yield plate-like crystals of the superconducting R-phase. Superconductivity was only present in La substituted crystals and the Tc could be changed by annealing procedures. A maximum T(c) = 29 K is found for Bi2.0Sr1.6La0.4CuO6+z.
引用
收藏
页码：15 / 18
页数：4
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