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Electron momentum spectroscopy has been used to measure the electronic structure of aluminium after exposure to increasing amounts of oxygen. The experimental valence band results showed the structural features of aluminium oxide beginning to dominate the free electron contribution of metallic aluminium as the exposure increased. The interpretation of this is that the aluminium oxide layer increases...
The effect of oxygen adsorption on the (e,2e) spectra of annealed carbon films has been investigated. There are two regions of extra intensity in the measured spectral momentum density. One at 31 eV below the vacuum level and a broad one near 11 eV. No dispersion is found for either of these contributions. The dependence of intensity on electron momentum is consistent with almost exclusively s character...
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