CO-adsorption on hydrogen saturated Ru (0001)

B. Riedmuller, I.M. Ciobica, D.C. Papageorgopoulos, F. Frechard, B. Berenbak, A.W. Kleyn, R.A. Santen

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    Abstract

    Density functional theory (DFT) periodic calculations and molecular beam techniques were used to study the interaction of CO with the Ru(0001)(1X1)H surface. The system consisted of a three-stage differentially pumped molecular beam line attached to an ultrahigh vaccum (UHV) chamber equipped with a low energy electron diffraction (LEED) system, an ion sputter gun, and a residual gas analyzer. The hydrogen phase was found to induce an activation barrier for CO absorption with a minimum barrier height of 25 kJ mol
    Original languageEnglish
    Pages (from-to)5244-5251
    JournalJournal of Chemical Physics
    Volume115
    DOIs
    Publication statusPublished - 2001

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