The dependence of surface magnetic properties on oxygen coverage of ordered and unordered Fe/W(110) and Co/W(110) films have been studied by the means of spin-polarized metastable deexcitation spectroscopy. A recently developed deconvolution method allows the direct calculation of the surface spin densities effective in the deexcitation process from measured secondary electron spectra. The O₂ₚ-derived surface states show exchange splitting due to magnetic coupling which is dependent on surface order and coverage.
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Förster et al. (2002) studied this question.
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