MAGNETIC-PROPERTIES OF XUCO5.3(1-X)UNI5 COMPOUNDS

被引：2
|
作者：
BURZO, E [1 ]
LUPSA, I [1 ]
LUCACI, P [1 ]
机构：
[1] TECH UNIV CLUJ NAPOCA,R-3400 CLUJ NAPOCA,ROMANIA
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 1993年 / 198卷 / 1-2期
关键词：
D O I：
10.1016/0925-8388(93)90144-C
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The magnetic properties Of xUCo5.3(1-x)UNi5 compounds were studied in the temperature range 2-800 K and fields up to 70 kOe. UNi5 is a paramagnet. A peak in the temperature dependence of the magnetic susceptibility is observed at T almost-equal-to 20 K. The compounds with x greater-than-or-equal-to 0.2 are ferromagnetically ordered. The mean cobalt moments decrease from about 0.32 mu(B) for x = 1.0 to about 0.15 mu(B) for x = 0.2. Above the Curie temperatures the reciprocal susceptibilities show a Curie-Weiss-type behaviour. The effective cobalt moments are close to those of Co2+ ions. The experimental data are analysed in terms of the spin fluctuation model.
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页码：55 / 58
页数：4
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