PR-SUBSTITUTION EFFECT ON SUPERCONDUCTING TRANSITION-TEMPERATURE OF YBBA2CU3O7-DELTA

被引：8
|
作者：
HO, JC
WU, CY
TIAN, YX
TANG, YJ
CHEN, XL
CAO, XW
机构：
[1] WICHITA STATE UNIV,NATL INST AVIAT RES,WICHITA,KS 67208
[2] UNIV NEBRASKA,BEHLEN LAB PHYS,LINCOLN,NE 68508
来源：
SOLID STATE COMMUNICATIONS | 1992年 / 82卷 / 05期
关键词：
Ceramic Materials - Copper Oxides - Ions - Praseodymium and Alloys;
D O I：
10.1016/0038-1098(92)90374-I
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Following a recent report concerning a "nonmagnetic-magnetic transition" of Pr ions in superconducting (RE(1-x)Pr(x)) Ba2Cu3O7-delta (RE = Y and rare earth) systems in accounting for the deviation from Abrikosov-Gor'kov magnetic pair-breaking theory observed in the systems with relatively small RE3+ radii, this paper reports a study on another system with RE = Yb, which has even smaller ionic radius. The superconducting transition temperature of this system remains practically constant at 92 K for x up to about 0.1 before decreasing with increasing x as to be expected from the Abrikosov-Gor'kov theory.
引用
收藏
页码：385 / 387
页数：3
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