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

页码：15 / 18

页数：4

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