The influence of adsorbed radical molecules magnetic moment on superconducting properties of yttrium HTSC ceramics.

被引：0
|
作者：
Belousov, NS
Makarshin, LL
Parmon, VN
机构：
[1] Boreskov Institute of Catalysis, Novosibirsk 630090
来源：
CZECHOSLOVAK JOURNAL OF PHYSICS | 1996年 / 46卷
关键词：
D O I：
10.1007/BF02562764
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In the given work the magnetic susceptibility of yttrium ceramics was studied before and after adsorption on its surface nitroxyl radical TEMPO. It appears that in the presence of adsorbed radical the temperature dependence of the real part of magnetic susceptibility is changed in relation to the temperature down to which the sample was cooled. Such a behaviour is caused by the redistribution of magnetic field in intergranular interlayers improving thus critical parameters of intergranular bonds. Hence, the observed increase of critical current after TEMPO radical adsorption is more likely to be connected with radical magnetic moment than with its donor-acceptor properties.
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页码：1299 / 1300
页数：2
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