X-ray absorption spectroscopy for crystallographic and magnetic characterizations of metallic superlattices

A. Fontaine, F. Baudelet, S. Pizzini, C. Brouder, E. Dartyge, C. Giorgetti, G. Krill, J. P. Kappler, M. Piecuch, M. Maurer, M. F. Ravet, V. Dupuis

Research output: Contribution to journalArticlepeer-review

Abstract

The site selectivity of XAS is a key element in determining local crystallographic order. The bidimensionality of multilayers creates new phases with stacking anisotropy probed thanks to the linearly polarized photons. The bcc cobalt in Fe-Co, bcc copper in Cu-Fe,..., bcc-derived hexagonal iron stacking in Fe-Ru are all XAS findings. The magneto-optics includes circularly polarized X-ray photons applied to ferromagnetic systems. The site and symmetry selectivities are once again valuable to determine the nature (magnitude) of the magnetic coupling between elements in Co-Cu and Co-Fe, and to distinguish between magnetic interface and chemical interface as evidenced in Nd-Fe multilayers.

Original languageEnglish
Pages (from-to)10-19
Number of pages10
JournalJournal of Magnetism and Magnetic Materials
Volume121
Issue number1-3
DOIs
Publication statusPublished - 2 Mar 1993
Externally publishedYes

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