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Density functional theory (DFT) calculations were used to study the adsorption of rhodium on a TiO 2 (110)-1×1 surface as a function of coverage. It was found that Rh atom prefers the hollow site between a bridging oxygen atom, a threefold oxygen atom and a fivefold coordinated Ti atom, regardless of the coverage used. DFT calculations also suggest that Rh–Rh interaction is attractive along...
The deposition of potassium onto TiO 2 (110) surface at 330K and the effects of post-annealing are investigated by scanning tunneling microscopy (STM), thermal desorption spectroscopy (TDS) and Auger-electron spectroscopy (AES). At lower K coverages (a few percentage of a monolayer), 3–4nm long and 1–2nm wide islands appear which can be identified with K covered regions. At higher K coverages,...
Tunneling induced decomposition of Mo(CO) 6 from the gas phase was studied on TiO 2 (110) surface by scanning tunneling microscopy (STM) and spectroscopy (STS). The efficiency of the procedure was followed by measuring the dot volume as a proportional indicator of the amount of the decomposed precursor. It was found that below 1 × 10 −5 Pa background pressure of Mo(CO) ...
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