IRON ATOMIC PACKING IN FE-RU SUPERLATTICES BY X-RAY-ABSORPTION SPECTROSCOPY

被引:27
作者
BAUDELET, F [1 ]
FONTAINE, A [1 ]
TOURILLON, G [1 ]
GUAY, D [1 ]
MAURER, M [1 ]
PIECUCH, M [1 ]
RAVET, MF [1 ]
DUPUIS, V [1 ]
机构
[1] LAB MIXTE,F-54704 PONT A MOUSSON,FRANCE
来源
PHYSICAL REVIEW B | 1993年 / 47卷 / 04期
关键词
D O I
10.1103/PhysRevB.47.2344
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Unusual iron packing in Fe(x)Ru(y) superlattices with x varying from 4 to 14 angstrom and y from 4 to 78 angstrom was observed by extended x-ray-absorption fine structure and x-ray-absorption near-edge-structure (XANES) analysis. The XANES profile and the first peak of the Fourier transform of the spectrum show a large anisotropy when the polarization of the x-ray synchrotron-emitted beam is in the basal plane of the superlattices or perpendicular to it. The local nature of this result suggests refinement of the structure already deduced by reflection high-energy electron diffraction and x-ray diffraction. The hexagonal packing of iron herein proposed agrees with the structural data found in the literature.
引用
收藏
页码:2344 / 2352
页数:9
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