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FTIR-spectroscopy as a highly sensitive technique to study adsorption and desorption on ionic film and single crystal surfaces

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Abstract

Infrared absorption by CO and CO2 adsorbed on NaCl (film) and NaCl(100) single crystal surfaces has been measured under ultrahigh vacuum conditions as a function of temperature and pressure, using grating and FTIR transmission-absorption spectroscopy. The absorption line of a monolayer of CO on NaCl(100) due to the stretching vibration is extremely narrow (<2 cm−1) and onlyp-polarized light is absorbed at oblique incidence. Resonant desorption in CO-NaCl (film) has been detected. Thev 3 absorption of a monolayer of CO2 on NaCl(100) appears as a doublet.

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Heidberg, J., Kampshoff, E., Stein, H. et al. FTIR-spectroscopy as a highly sensitive technique to study adsorption and desorption on ionic film and single crystal surfaces. Mikrochim Acta 95, 105–108 (1988). https://doi.org/10.1007/BF01349731

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  • DOI: https://doi.org/10.1007/BF01349731

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