Magnetic and electronic properties of specially processed YBa2(Cu0.95Ni0.05)(3)O-y

被引：0

作者：

Ko, D

Oesterreicher, H

机构：

[1] Materials Science, Dept. of Chemistry and Biochemistry, San Diego

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1996年 / 157卷

关键词：

YBa2(Cu1-xNix)(3)O-y; Ni nanocluster; getter anneal;

D O I：

10.1016/0304-8853(95)01155-2

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report on getter annealed YBa2(Cu0.95Ni0.05)(3)O-y which are paramagnetic in a range from y = 6.1 to 6.8 with Curie-Weiss temperatures (Theta) remaining near 0 K. Reoxidation of the most reduced materials produces superconductors with enhanced flux pinning followed in temperature by a paramagnetic range with unusually large negative Theta approximate to -70 K indicative of Ni nanoclusters.

引用

页码：661 / 662

页数：2