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- W2014557908 abstract "Several single crystal faces of platinum, after decontamination, are exposed to oxygen pressures from 10−9 to 10−6 Torr in a range of temperatures between 25 to 800°C. The adsorption is studied by LEED and Auger spectroscopy. Oxygen is adsorbed on all platinum surfaces. The existence of defects like steps, terraces or ledges strongly facilitates the dissociation and the adsorption of oxygen. On Pt(111) stepped surfaces, two types of (2×2) structures are obtained: one at room temperature, very sensitive to the electron beam, disappears on heating at 100°C in UHV. A more stable (2×2) is observed at 400°C. Under these experimental conditions, a step coalescence and a terrace broadening is induced by oxygen depending on the terrace orientation. For example, the terrace width and the step height are doubled on the Pt[6(111)×(100)]." @default.
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- W2014557908 date "1983-03-01" @default.
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- W2014557908 title "On the interaction of oxygen with Pt single crystals; LEED study of step coalescence" @default.
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- W2014557908 doi "https://doi.org/10.1016/0039-6028(83)90725-2" @default.
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