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Alloying and surface structures of Cu films evaporated onto a Pt(111) single-crystal substrate were studied by X-ray photoelectron diffraction (XPD), low-energy alkali ion scattering spectroscopy (ALISS), and low-energy electron diffraction (LEED). Alloying begins at temperatures above 500K, and increasing the annealing temperature of deposited films to 900K caused all Cu atoms to diffuse deep into...
An ordered (√19×√19)R23.4°-Ge/Pt(111) surface alloy can be formed by vapor depositing one-monolayer Ge on a Pt(111) substrate at room temperature and subsequently annealing at 900–1200K. The long-range order of this structure was observed by low energy electron diffraction (LEED) and confirmed by scanning tunneling microscopy (STM). The local structure and alloying of vapor-deposited Ge on Pt(111)...
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