Abstract
High resolution electron energy loss spectra (HREELS) of transition metal oxide substrates are dominated by very intense Fuchs-Kliewer surface phonons, limiting the use of HREELS in adsorbate vibrational analysis. A deconvolution algorithm, first proposed by Cox, Egdell and Williams, has been used to remove much of the phonon structure, allowing a significantly broader range to be available for adsorption studies. The deconvolution process is found to be robust to the choice of instrument response function and surface quality, and is self-correcting to adsorbate and other induced changes in surface phonon structure. The procedure is applied to the NiO(100)OCH 3,ads adsorbate system, yielding deconvoluted HREEL adsorbate spectra that are comparable in numbers and positions of characteristic adsorbate vibrational modes.
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