Comment on "Surface diffusion potential energy surfaces from first principles: CO chemisorbed on Pt{110}" [J. Chem. Phys. 111, 9461 (1999)]

In a recent article Ge and King [J. Chem. Phys. 111, 9461 (1999)] question, on the basis of their recent density functional calculations, the interpre tation of quasielastic helium atom scattering experiments on surface diffus ion. In this comment we attempt to clarify a number of misunderstandings an d justify the methods used in the data analysis. (C) 2001 American Institut e of Physics.