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As an important surfactant, Pb surface alloying in surfactant-assisted epitaxy growth was studied by synchrotron radiation photoemission. As annealing causes the submonolayer Pb, distributed as two-dimensional islands on Cu(111), to form Pb–Cu surface alloy, Cu growth is also found to activate the Pb–Cu surface alloy formation on submonolayer Pb covered Cu(111). Whereas, different from the fact that...
Thermal behaviour of ultra-thin Co overlayers on rutile TiO 2 (100) surface has been studied by in situ X-ray photoelectron spectroscopy (XPS). Metal Co overlayers of about 30Å have been deposited at room temperature on rutile TiO 2 (100) surfaces, followed by annealing to different temperatures. It was found that the interfacial reaction between the Co overlayers and TiO 2 ...
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