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
收藏
页码：661 / 662
页数：2
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