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Orbital-Specific Analysis of CO Chemisorption on Transition-Metal Surfaces
Journal article   Peer reviewed

Orbital-Specific Analysis of CO Chemisorption on Transition-Metal Surfaces

Sara E Mason, Ilya Grinberg and Andrew M Rappe
Journal of physical chemistry. C, Vol.112(6), pp.1963-1966
02/01/2008
DOI: 10.1021/jp075355k

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Abstract

We demonstrate that variations in the molecular chemisorption energy on different metals, different surface terminations, and different strain conditions can be accounted for by orbital-specific changes in the substrate electronic structure. We apply this analysis to a density functional theory data set, spanning three metals, two surface terminations, and five strain states. A crucial aspect of our analysis is decomposition of the d band into contributions from the five d atomic orbitals. This provides a representation of the energy levels of the substrate that are directly relevant to the chemisorption bond, leading to strong correlation with chemisorption trends. © 2008 American Chemical Society.

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