Surface Optical Excitations Associated with CO Chemisorption on Ni (III).
IBM THOMAS J WATSON RESEARCH CENTER YORKTOWN HEIGHTS N Y
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Surface optical excitations associated with CO chemisorption on Ni 111 have been studied using surface reflectance spectroscopy SRS and electron energy loss spectroscopy ELS. SRS measurements using s- and p-polarized light in the photon energy range 4-35 eV are analyzed using a simple dielectric model to deduce surface optical transitions. A comparison of the SRS and ELS results for CONi 111 with the optical excitations in gas and solid phase CO and in transition metal carbonyls reveals correlations in spectral structure which are used as a basis to suggest possible identifications of the surface optical transitions.
- Properties of Metals and Alloys
- Atomic and Molecular Physics and Spectroscopy