Abstract
Electron energy loss spectra above M 2,3 and L 2,3 core levels of transition metals are presented. The analysis of the structures up to several hundred electronvolts above these edges shows strict analogies with EXAFS oscillations. The comparison with synchrotron radiation X-ray absorption results, above the same edges, shows that accurate radial distribution functions can be obtained from EELFS data using the same Fourier transform and formalism. The EELFS measurements are performed in the reflection mode using a conventional electron analyzer with a beam current of a few μA. Important surface phenomena can be investigated. In this paper I shall present some recent progress of the EELFS technique for the study of metallic clusters and of a monolyer of Cobalt on Si(111).
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