X-ray magnetic circular dichroism study on CeFe2

被引：34
|
作者：
Delobbe, A
Dias, AM
Finazzi, M
Stichauer, L
Kappler, JP
Krill, G
机构：
[1] Univ Paris Sud, LURE, F-91405 Orsay, France
[2] European Synchrotron Radiat Facil, F-38043 Grenoble, France
[3] Sincrotrone Trieste, I-34012 Trieste, Italy
[4] IPCMS, GEMME, F-67037 Strasbourg, France
[5] Acad Sci Czech Republ, Inst Phys, CR-16200 Praha 6, Czech Republic
来源：
EUROPHYSICS LETTERS | 1998年 / 43卷 / 03期
关键词：
D O I：
10.1209/epl/i1998-00359-2
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
X-ray magnetic circular dichroism at the Fe L-2,L-3, Ce M-4,M-5 and Ce L-2,L-3 absorption edges of CeFe2 are reported. Application of the sum rules yields both the magnitude and the direction of the magnetic contributions (Fe 3d, Ce 5d and Ce 4f) to the total moment in CeFe2. A total Ce magnetic contribution of -0.29 mu(B) (M-5d = -0.13 mu(B), M-4f = -0.16 mu(B)) and a ratio for the 4f contribution [L-z]/[S-z] approximate to -1 are found, which confirms that the 4f states are highly hybridised in CeFe2. These results are in good agreement with previously published LSDA calculations.
引用
收藏
页码：320 / 325
页数：6
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