INFLUENCE OF S-F EXCHANGE INTERACTION ON ELECTRICAL CONDUCTION IN RARE-EARTH DIALUMINIDES

被引:68
作者
VANDAAL, HJ
BUSCHOW, KHJ
机构
[1] Philips Research Laboratories, N.V. Philips' Gloeilampenfabrieken, Eindhoven
关键词
D O I
10.1016/0038-1098(69)90728-5
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
The electrical resistivity has been measured between 4.2 and 300°K for RA12 compounds, where R denotes the rare-earth elements La, Ce, Pr, Nd, Gd, Tb, Dy, Ho, Er, Yb and Y. From an analysis of the resistivity behaviour of the ferromagnetic compounds values are deduced for the effective s-f exchange coupling constants. These values agree reasonably well with data given in literature for the Knight shift of the A1 nuclear magnetic resonance. For CeA12 a resistivity minimum has been observed at 13°K. © 1969.
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页码:217 / +
页数:1
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