Abstract

The extraction of useful information from a detailed analysis of “white lines” appearing on L edges in EELS spectroscopy is considered. The problem is to discriminate resonant transitions towards unoccupied d-band states from transitions towards the continuum. A method is described, tested on simulated noisy spectra and applied to real specimens and edges: L 23 in TiO 2 and in Fe 2O 3, in order to evaluate more quantitatively the position, width and area of the different components split by spin-orbit or crystal-field effects.

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