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The effect of adsorbed ruthenium sub-monolayers on Pt(111) on the electro-oxidation of CO has been investigated using ultra-hight vacuum-electrochemical transfer techniques. Overlayers of metal vapour deposited (MVD) ruthenium were characterised using a combination of LEED, LEISS and XPS. Nucleation and growth of ruthenium clusters on the Pt(111) surface takes place during deposition at 300 K from...
The adsorption and incorporation of ruthenium on Pt(110) have been investigated using the techniques of low energy ion scattering spectroscopy (LEISS), X-ray photoelectron spectroscopy (ARXPS) and low energy electron diffraction (LEED). Ruthenium lifts the Pt(110)-(1×2) reconstruction by a coverage of 0.5, with evidence of only a small amount of clustering following deposition at 300K. LEISS and XPS...
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