Scattering and trapping of Ar-Pt(111) system using Phantom Particle model

Toshihiko Ishida
2001 AIP Conference Proceedings  
Energy exchange and trapping probabilities for interaction of gas molecules with a metal surface are calculated by the Molecular Dynamics method using the Phantom Particles model as a solid surface. The validity of the Phantom Particle model is confirmed through the power spectra of three directions, the velocity distribution in each layer and the response to an abrupt change of a preset temperature. Then the Phantom Particle model is applied to gas-surface interaction for Ar-Pt(lll) system.
more » ... flux distributions, the TOP spectrum of gas atoms scattered at the specular angle and the trapping probabilities are calculated and compared with those of molecular beam experiments, leading to good quantitative agreement as well.
doi:10.1063/1.1407583 fatcat:2kfbg7rzu5ghbfjkiwkpjio2yu