2009
DOI: 10.2320/matertrans.mra2008442
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Infrared Reflection Absorption Study for Carbon Monoxide Adsorption on Chromium Deposited Cu(100) Surfaces

Abstract: This study investigates carbon monoxide (CO) adsorption and desorption behaviors on 0.1-0.6-nm-thick Cr-deposited Cu(100) surfaces using infrared reflection absorption (IRRAS) and temperature-programmed desorption (TPD) spectroscopic methods. The low-energy electron diffraction (LEED) pattern for the 0.1-nm-thick Cr-deposited Cu(100) surface indicates that distorted bcc-Cr(110) grows on fcc-Cu(100). The CO exposure to a clean Cu(100) at 90 K produces a single and sharp IR absorption band at 2090 cm À1 that is … Show more

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“…However, the bifurcations may shed a light to a different phenomenon. Experimental works reported shoulders in the vibrational spectra that shift or diminish with the coverage [2,5,18,21,24,32]. Two explanations given for this phenomenon are i) the dipole effects, and ii) adsorption of CO on different sites.…”
Section: Resultsmentioning
confidence: 99%
“…However, the bifurcations may shed a light to a different phenomenon. Experimental works reported shoulders in the vibrational spectra that shift or diminish with the coverage [2,5,18,21,24,32]. Two explanations given for this phenomenon are i) the dipole effects, and ii) adsorption of CO on different sites.…”
Section: Resultsmentioning
confidence: 99%