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Issue J. Phys. IV France
Volume 7, Number C2, Avril 1997
Proceedings of the 9th International Conference on X-Ray Absorption Fine Structure
Page(s) C2-741 - C2-743
DOI http://dx.doi.org/10.1051/jp4:1997223

Proceedings of the 9th International Conference on X-Ray Absorption Fine Structure

J. Phys. IV France 7 (1997) C2-741-C2-743
DOI: 10.1051/jp4:1997223

Application of DAFS Spectroscopy to Study the Variations of Fe local structure in a Fe/Ir(100) Superlattice

H. Renevier1, 2, J.L. Hodeau1, 3, V. Dalakas1, P. Wolfers1, J.F. Bérar1, S. Andrieu4, J. Weigelt5 and R. Frahm5

1  Laboratoire de Cristallographie, CNRS, BP. 166, 38042 Grenoble cedex 09, France
2  Université Joseph Fourier, BP. 53, 38041 Grenoble cedex 09, France
3  ESRF, BP. 220, 38043 Grenoble cedex 09, France
4  LMPSM, URA 155, Université de Nancy I, BP. 239, 54506 Vandoeuvre, Nancy cedex, France
5  HASYLAB, Notkestr. 85, 22607 Hamburg, Germany


Abstract
Superlattice studies are important to synthesise 3d metals in new crystalline structure which may exhibit exotic magnetic properties. The challenge is to relate these properties to the details of the chemical gradient and the local strain. We report here on the use of Diffraction Anomalous Fine Structure (DAFS) spectroscopy to separate the XAFS-like information about Fe atoms located at different crystallographic sites of an Fe/Ir(100) superlattice. We obtained the Fe nearest neighbor distances at the Ir-Fe interfaces by the use of a new crystallographic-based analysis of the DAFS data.



© EDP Sciences 1997


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