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The interaction of cyclohexanone with the Pt(111) surface has been investigated by HREELS and TDS. At 160 K, the chemisorption of cyclohexanone induces a “red-shift” of the CO stretch band and a decrease in work function. Heating the sample from 220 to 370 K leads to complete disappearance of the dominant CH 2 rocking band at 720 cm −1 and the CO stretching band at 1650 cm −1 ...
The oxidation of Nb(110) upon oxygen adsorption has been investigated using AES, UPS and HREELS. For low and medium exposures of oxygen, two new loss features at 720 and ~950 cm -1 develop, which are assigned to Nb O and Nb O Nb stretching vibrations, respectively. When oxygen exposure is high, a broad and strong loss peak at 600-900 cm -1 appears, which is due to bulk-like...
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