Bh. Choi et al., Helium atom scattering from isolated CO molecules on a Pt(111) surface: Experiment versus close-coupling calculations for a realistic He-CO potential, J CHEM PHYS, 112(23), 2000, pp. 10538-10547
The angular dependence of the elastic scattering of helium atoms from a low
coverage (Theta(CO) = 0.03) of randomly distributed isolated CO molecules
adsorbed on a Pt(111) surface has been measured over a wide range of incide
nt helium atom beam energies between E-i=5.25 and 62.1 meV. The results are
compared with a close-coupling theory for a realistic He-CO potential. Fro
m a best fit of the experimental results the distance of the molecule from
the surface and a modified gas phase He-CO potential are obtained. (C) 2000
American Institute of Physics. [S0021-9606(00)01821-3].