Ammonia and water physisorption on a H-passivated Si(111) surface: a study of admolecule motions

  • Picaud S
  • Ramseyer C
  • Hoang P
 et al. 
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Recent results on the stability of adsorption sites and on the equilibrium configuration of NH3and H2O molecules adsorbed on H-terminated Si(111) are used to determine the translational and orientational motions of these admolecules. The analysis of the corresponding quantum levels is a preliminary and necessary step for a further study of the dynamical processes connected to the sticking, surface diffusion and desorption of these molecules. First results allow us to discuss some aspects of the adsorption-desorption mechanisms. © 1992.

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  • Sylvain PICAUDUniverse Transport Interface Nanostructures Atmosphere and Environment Molecules

  • C. Ramseyer

  • P. N.M. Hoang

  • C. Girardet

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