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April 1, 1983Journal of Vacuum Science & Technology A Vacuum Surfaces and Films

CO interactions with copper-covered Ru(0001)

S. D. Bader Lee J. Richter Peilin Cao D. E. Ellis A. J. Freeman

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Abstract

Photoemission-thermal desorption studies for saturation coverage CO on submonolayer Cu-covered Ru(0001), and self-consistent total-energy calculations for CO bound to small-cluster analogs of Cu(111), Ru(0001), and Cu/Ru(0001) chemisorption geometries are reported. New Cu-perturbed Ru binding sites are observed experimentally with (∼25%) reduced activation energy for desorption and increased molecular photoelectron binding energies (∼0.3 eV) relative to CO/Ru(0001). The mixed-metal cluster calculation provides a description of a possible precursor intermediate state for CO desorption, in qualitative accord with experiment.

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Cite This Study

Bader et al. (1983) studied this question.

synapsesocial.com/papers/6a8be18395f0361a9ebeebc8 https://doi.org/10.1116/1.571894

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