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.
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页码：457 / 462
页数：6
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