Abstract
For two three-layer systems, Sc/Fe/Sc and Fe/Sc/Fe, the fine structure in specular reflected x rays above the Fe K-edge has been investigated experimentally. Computer simulation of ReflEXAFS formation on multilayered structures has been done. Estimates of each layer's thickness and density as well as of local atomic order in Fe layers have been obtained. The possibility of ultrathin-layer investigations (down to a few angstroms) has been analyzed.
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