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FT-RAIRS with CO as a probe molecule has ben used to examine the morphology of a nominally Cu(111) overlayer on TiO 2 (110)1×1. Exposure of the overlayer to CO at 100K produces two principal infrared absorption bands at 2071 and 2094cm −1 , corresponding to CO adsorption on Cu(111)-like and Cu(110)-like sites, respectively. Calculations using the coherent potential approximation indicate...
Desorption of neutral oxygen atoms induced by 266nm laser pulses from pressure pressed as-prepared (AP) sample and from high temperature (873K, 40h) pretreated (HT) sample is investigated by time-of-flight (TOF) mass spectrometric analysis. The obtained TOF data are analyzed by Maxwell–Boltzmann energy distributions. It is concluded that desorption of neutral oxygen atoms occurs from oxygen defect...
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