Electron induced dissociation of CO on Ru(001). A study by thermal desorption and electron spectroscopies

J. C. Fuggle; E. Umbach; P. Feulner; D. Menzel

doi:10.1016/0039-6028(77)90258-8

Electron induced dissociation of CO on Ru(001). A study by thermal desorption and electron spectroscopies

J. C. Fuggle, E. Umbach, P. Feulner, D. Menzel

Chair of Experimental Physics

Technical University of Munich

Research output: Contribution to journal › Article › peer-review

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Abstract

CO adsorbed on Ru cannot convert thermally into a β-state of the kind observed on W and Mo - which is most probably dissociated CO - under CO pressures below 10^-5 Torr. Such a state can, however, be produced by electron impact onto a virgin CO layer adsorbed on Ru. This is shown using temperature-programmed desorption, UPS, XPS, XPS satellites, and XAES. A comparative discussion of the β-states on W and Ru yields rough estimates of the energies for desorption and conversion of CO on these metals; possible implications for catalytic reactions are mentioned.

Original language	English
Pages (from-to)	69-84
Number of pages	16
Journal	Surface Science
Volume	64
Issue number	1
DOIs	https://doi.org/10.1016/0039-6028(77)90258-8
State	Published - Apr 1977

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abstract = "CO adsorbed on Ru cannot convert thermally into a β-state of the kind observed on W and Mo - which is most probably dissociated CO - under CO pressures below 10-5 Torr. Such a state can, however, be produced by electron impact onto a virgin CO layer adsorbed on Ru. This is shown using temperature-programmed desorption, UPS, XPS, XPS satellites, and XAES. A comparative discussion of the β-states on W and Ru yields rough estimates of the energies for desorption and conversion of CO on these metals; possible implications for catalytic reactions are mentioned.",

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AU - Menzel, D.

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N2 - CO adsorbed on Ru cannot convert thermally into a β-state of the kind observed on W and Mo - which is most probably dissociated CO - under CO pressures below 10-5 Torr. Such a state can, however, be produced by electron impact onto a virgin CO layer adsorbed on Ru. This is shown using temperature-programmed desorption, UPS, XPS, XPS satellites, and XAES. A comparative discussion of the β-states on W and Ru yields rough estimates of the energies for desorption and conversion of CO on these metals; possible implications for catalytic reactions are mentioned.

AB - CO adsorbed on Ru cannot convert thermally into a β-state of the kind observed on W and Mo - which is most probably dissociated CO - under CO pressures below 10-5 Torr. Such a state can, however, be produced by electron impact onto a virgin CO layer adsorbed on Ru. This is shown using temperature-programmed desorption, UPS, XPS, XPS satellites, and XAES. A comparative discussion of the β-states on W and Ru yields rough estimates of the energies for desorption and conversion of CO on these metals; possible implications for catalytic reactions are mentioned.

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Electron induced dissociation of CO on Ru(001). A study by thermal desorption and electron spectroscopies

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