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

页码：385 / 387

页数：3

共 12 条

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