Calculations of the Energy Accommodation Coefficient for Gas-Surface Interactions

Details Calculations of the Energy Accommodation Coefficient for Gas-Surface Interactions Calculations of the Energy Accommodation Coefficient for Gas-Surface Interactions

2008-04-14

arxiv.org/abs/0804.2269v1

Physics

Classical Physics

15 pages including 3 figures

Scientific paper

Calculations are carried out for the energy accommodation coefficient at a gas-surface interface using a recently developed classical mechanical theory of atom-surface collisions that includes both direct scattering and trapping-desorption processes in the physisorption well of the interaction potential. Full three-dimensional calculations are compared with the available data for the accommodation of rare gases at a tungsten surface and good agreement is found for the heavier gases for which classical physics is expected to be valid at all measured temperatures.

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