THE OXYGEN-ISOTOPE EFFECT IN YBA2(CU1-XCOX)3O7-DELTA

被引：8
|
作者：
FRANCK, JP
HARKER, S
YU, M
机构：
[1] Department of Physics, University of Alberta, Edmonton
来源：
PHYSICA B | 1994年 / 194卷
关键词：
D O I：
10.1016/0921-4526(94)91543-1
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We investigated the oxygen isotope effect in superconducting Co substituted YBCO. Co concentrations between 4 and 13% were used. The transition temperature T(c) falls monotonously to 22.7 K for x = 0.13. The oxygen isotope exponent alpha0 rises from alpha0 = 0.08 (4% Co) to alpha0 = 0.46 (x = 0.13%) at the lowest transition temperature. The dependence of alpha0 on T(c) is intermediate between that for Zn and Pr substituted YBCO.
引用
收藏
页码：2087 / 2088
页数：2
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