English, Article edition: STUDIES OF THE ADSORPTION OF ACETONITRILE (CH3CN) ON Cu(001) USING HELIUM ATOM SCATTERING I. G. SHUTTLEWORTH

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Bookmark: http://trove.nla.gov.au/version/84191
Physical Description
  • article
Language
  • English

Edition details

Title
  • STUDIES OF THE ADSORPTION OF ACETONITRILE (CH3CN) ON Cu(001) USING HELIUM ATOM SCATTERING
Author
  • I. G. SHUTTLEWORTH
Physical Description
  • article
Notes
  • The adsorption of acetonitrile (CH3CN) on Cu(001) has been studied using elastic Helium atom scattering (HAS) and has been analyzed using a novel method of direct HAS diffraction image inversion. At low temperatures (138 K) acetonitrile permanently adsorbs forming a c(4 Ã 2) structure at saturation. Annealing the saturated surface to temperatures above 200 K causes the desorption of all surface moieties leaving clean Cu(001). At the adsorption temperatures in the range 153â163 K acetonitrile does not adsorb permanently and demonstrates adsorptionâdesorption equilibrium. These dynamical studies suggest that the acetonitrile molecule does not dissociate during adsorption. Analyses of the c(4 Ã 2) HAS diffraction image have revealed several possible surface structures where the CâCâN axis of the adsorbed molecule lies approximately parallel to the Cu(001) surface.
  • Acetonitrile, CH3CN, copper, Cu(001), Helium atom scattering, Eikonal approximation, Patterson function, diffraction pattern deconvolution, molecular beam techniques, adsorption-desorption equilibrium
  • RePEc:wsi:srlxxx:v:14:y:2007:i:03:p:387-394
Language
  • English
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