Vibrations at Surfaces

1. Front Matter

   Pages i-xi

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2. Clean and Adsorbed Surfaces

   1. Theory of Phonons on Clean and Adsorbed Surfaces

      • L. Dobrzynski, B. Djafari-Rouhani

      Pages 1-15

   2. Desorption by Resonant Multiphoton Excitation of Internal Adsorbate Vibration

      • J. Heidberg, H. Stein, E. Riehl

      Pages 17-38

   3. Face Centered Cubic Transition Metal Surface Vibrations

      • G. Allan, J. Lopez

      Pages 39-55

   4. Atom Motion at Model Crystal Surfaces

      • John Earle Black

      Pages 57-70

   5. Infrared Reflection Absorption and Emission Study of Methyl Alcohol Adsorption on MoO3 Films

      • M. Ito

      Pages 71-78

   6. Rotational Accommodation at Surfaces Via Rayleigh Phonons

      • B. Feuerbacher

      Pages 79-89

   7. Arrangement of CO Molecules Adsorbed on Low Index Metal Surfaces : A Comparison between LEED and HREELS or IRS

      • J. P. Biberian, M. A. Van Hove

      Pages 91-104

   8. Effects of Many Body Forces on the Adsorbate Induced Phonon Structure

      • Gerold Doyen

      Pages 105-111

   9. Vibrational Lifetimes for Molecules Adsorbed on Metal Surfaces

      • M. Persson, B. N. J. Persson

      Pages 113-122

   10. Surface Modes of a Spherical Void at the Proximity of a Surface

       • A. Ronveaux, A. Magnus

       Pages 123-128

   11. Theoretical Study of the Vibrational Properties of a (117)F.C.C. Surface

       • G. Armand, P. Masri

       Pages 129-129

   12. The Chemisorption of CO on Cu: An Ab Initio Cluster Model Study

       • Paul S. Bagus, M. Seel

       Pages 131-131

   13. Librational Modes of Molecules on Metals

       • H. Morawitz, T. R. Koehler

       Pages 133-133

   14. Vibrations of Neutrally Adsorbed Atoms on Transition Metal Surfaces

       • C. M. Sayers

       Pages 135-135

3. Electron energy loss spectroscopy

   1. Eels of Surface Phonons and Vibrations of Adsorbed Species

      • S. Lehwald, H. Ibach

      Pages 137-152

   2. Electronic Surface Resonance Enhancement of Vibrational Loss Intensities

      • Roy F. Willis

      Pages 153-168

   3. EELS of Collective Surface Modes

      • Stig Andersson

      Pages 169-185

   4. The Adsorption and Co-Adsorption with CO of NO on Cu(110) Studied with EELS and LEED

      • J. F. Wendelken

      Pages 187-200

   5. The Adsorption of Water on Ru(001): Chemisorption and Hydrogen Bonding

      • P. A. Thiel, F. M. Hoffmann, W. H. Weinberg

      Pages 201-213

This volume contains most of the invited and contributed papers presented at the second international conference devoted to the general topic "Vibrations at Surfaces" and which took place from 10 to 12 September 1980 at the Facu1tes Notre-Dame de 1a Paix in Namur, Belgium. The conference was organized to review the large amount of information gathered in this field over the late seventies as a result of th~ rapid improvements and dissemination of surface spectroscopic technique such a electron energy loss, infrared and Raman surface spectroscopies. Much time was devoted to Raman spectroscopy of adsorbed mo1e­ 'cu1es. After several years of vivid debate over the causes of the observed large enhancement of Raman cross section, a clearer pic­ ture emerges from the papers presented here: the actual value of the enhancement factor does depend in a complicated manner on long range surface roughness, atomic-scale roughness and the dielectric properties of the substrate as well as on the electronic structure of the molecule in its adsorbed state. Less controversial are the results obtained with electron energy loss spectroscopy (EELS) and several sessions of the con­ ference were devoted to the approach. As witnessed by the growing number of laboratories using the technique, EELS is now a mature spectroscopic tool for the characterization and analysis of the chemisorption bond.

• Absorption
• Atom
• Chemisorption
• Cross section
• Sorption
• adsorption
• bonding
• catalyst
• electron energy loss spectroscopy
• energy
• isotope
• metals
• paper
• spectroscopy
• structure

• Facultés Universitaires Notre-Dame de la Paix, Namur, Belgium

  R. Caudano, J.-M. Gilles, A. A. Lucas

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