Abstract
First-principles calculations based on density functional theory (DFT) have been performed to study O adsorption in on-surface and subsurface sites. For different coverages, hollow site is found to be the most stable on-surface adsorption site. For the subsurface adsorption at the bare Mo surface, the adsorption energies are found to be higher than those at the on-surface sites, suggesting that these sites are less stable. However, the presence of preadsorbed O overlayer enhances the binding energy of subsurface adsorption, particularly for the adsorption of O at octahedral site. Further, vibrational frequencies, work-function and density of states are presented for O adsorption in on-surface sites.
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Zhou, Y., Zu, X., Nie, J. et al. Adsorption of O on Mo(110) surface from first-principles calculation. Eur. Phys. J. B 67, 27–34 (2009). https://doi.org/10.1140/epjb/e2008-00468-2
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DOI: https://doi.org/10.1140/epjb/e2008-00468-2