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The role of σ-donation in the bonding of molecular nitrogen on clean and modified Ru(001) surfaces

✍ Scribed by R.A. Depaola; F.M. Hoffmann

Publisher: Elsevier Science
Year: 1986
Tongue: English
Weight: 424 KB
Volume: 128
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(86)80374-8

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✦ Synopsis

We demonstrate that the adsorption of molecular nitrogen on modified Ru(OO1) is, in contrast to CO adsorption, largely governed by its acharge donation to the metal, which can be promoted by coadsorbed oxygen. Preadsorbed potassium inhibits nitrogen adsorption for 6K > 0.08, thus enabling us to determine a minimum distance of 4.25 A for the repulsive K-N2 interaction.

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