THE INFLUENCE OF SUBSTITUTION OF TH ON THE SUPERCONDUCTING BEHAVIOR OF YBA2CU4O8

被引：5

作者：

GOPALAKRISHNAN, IK

YAKHMI, JV

机构：

[1] Chemistry Division, Bhabha Atomic Research Centre, Bombay, 400 085, Trombay

来源：

PHYSICA C | 1993年 / 218卷 / 3-4期

关键词：

D O I：

10.1016/0921-4534(93)90050-Z

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

It is shown that up to 10 at% of Y in YBa2Cu4O8 (T(c) = 80 K) can be replaced with Th. DC magnetization and AC magnetic susceptibility measurements showed that the T(c onset) is 50 K for Y0.9Th0.1Ba2Cu4O8, although the zero-resistance state is obtained only at 24 K. The deleterious influence of Th4+-substitution on the superconducting behaviour of YBa2Cu4O8 is discussed in the light of corresponding data obtained upon substituting equivalent amounts of Ce4+ and Ca2+ in YBa2Cu4O8.

引用

页码：457 / 462

页数：6

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