Multilayer formation between dissimilar molecules as studied by metastable quenching spectroscopy: NH3+ CO on Ni(111)

  • Tochihara H
  • Rocker G
  • Redding J
 et al. 
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Abstract

We have used metastable quenching spectroscopy and thermal desorption to study the adsorption of NH3on Ni(111) precovered with CO, and the coadsorption of CO and NH3on Ni(111). We find that the second NH3layer on CO/Ni(111) is formed only after the first NH3layer is completed; that the NH3molecules bind with the nitrogen atoms towards the surface; and that the presence of NH3on top of the CO layer increases the back donation into the 2π*orbital of CO. © 1986.

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Authors

  • Hiroshi Tochihara

  • Gerd Rocker

  • John D. Redding

  • John T. Yates

  • Richard M. Martin

  • Horia Metiu

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