RELATION BETWEEN G SHIFT AND HYPERFINE FIELD IN INTERMETALLIC COMPOUNDS

被引:22
作者
DAVIDOV, D
SHALTIEL, D
机构
[1] Department of Physics, Hebrew University, Jerusalem
来源
PHYSICAL REVIEW | 1968年 / 169卷 / 02期
关键词
D O I
10.1103/PhysRev.169.329
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The appreciable variation of the gadolinium hyperfine fields from one compound to another in GdX2 (X=Rh,Ir,Mn,Pt,Al) is explained by interaction of the nucleus with the conduction electrons. These electrons are polarized by their exchange interaction with the Gd ion. This interaction was investigated experimentally by measuring the Gd g shift by means of electron spin resonance. The g shift was found to vary in both magnitude and sign in these compounds. A relation between the Gd hyperfine field and the Gd g shift is derived, enabling us to calculate the hyperfine field per spin for 6s electrons in GdPt2 to be 2.8×106G. © 1968 The American Physical Society.
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页码:329 / &
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