Interplay between local electronic structure, crystalline structure and magnetic ordering in intermetallic compounds Ce2Fe17-xMnx

被引：1
|
作者：
Yaroslavtsev, Alexander A. [1 ]
Menushenkov, Alexey P. [1 ]
Grishina, Olga V. [1 ]
Chernikov, Roman V. [2 ]
Kuchin, Anatoly G. [3 ]
机构：
[1] Natl Res Nucl Univ MEPhI, Kashirskoe Sh 31, Moscow 115409, Russia
[2] HASYLAB DESY, D-22603 Hamburg, Germany
[3] Russian Acad Sci, Inst Met Phys UB, Ekaterinburg 620041, Russia
来源：
MAGNETISM AND MAGNETIC MATERIALS V | 2012年 / 190卷
关键词：
magnetic ordering; cerium; intermetallics; EXAFS; XANES; local structure; valence; THERMAL-EXPANSION; ABSORPTION; VALENCE; IRON;
D O I：
10.4028/www.scientific.net/SSP.190.251
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
For the first time the rearrangement of cerium local environment in Ce2Fe17-xMnx (x = 0; 1; 2) intermetallics vs. Mn concentration and temperature was investigated by the spectroscopy of extended X-ray absorption fine structure (EXAFS) above K-Ce absorption edge. At the same time under similar conditions by the spectroscopy of X-ray absorption near-edge structure (XANES) above L-3-Ce absorption edge the valence state of Ce was studied. The correlation is found between changes in local electronic and crystalline structure observed in Ce2Fe17-xMnx and the types of magnetic states in these compounds.
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收藏
页码：251 / +
页数：2
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