A combined experimental and first principles study of the (2×1)-reconstructed rutile TiO₂(011) surface is presented. Our results provide evidence that the surface structure is described by a model that includes onefold coordinated (titanyl) oxygen atoms giving rise to double bonded TiO species. These species should play a special role in the enhanced photocatalytic activity of the TiO₂(011) surface.
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Beck et al. (2004) studied this question.
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