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Conferences > MSBA > 1987 > WC > WC6

Adsorbate Interactions and Poisoning on Cr(110)

Neal D. Shinn

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Abstract

The chemisorption of carbon monoxide and oxygen on Cr(110) at temperatures below 150K has been studied using photoemission, vibrational and Auger spectroscopies, and low energy electron diffraction (LEED). Direct evidence for co-adsorbate interactions which induce changes in the (1) molecular CO bonding to the chromium surface and (2) the CO dissociation energetics has been found. This work provides a microscopic picture of the "poisoning" of the Cr(110) surface for CO dissociation by electronegative oxygen atoms.

© 1987 Optical Society of America

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