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Effects of surface morphology and anisotropy on the tangential momentum accommodation coefficient between Pt(100) and Ar
Abstract : In this paper, we study the influence of Platinum (100) surface morphology on the Tangential Momentum Accommodation Coefficient with Argon using Molecular Dynamics method (MD). The coefficient is computed directly by beaming Ar atoms into the surfaces and measuring the relative momentum changes. The wall is maintained at a constant temperature and its interaction with the gas atoms is governed by the Kulginov potential. To capture correctly the surface effect of the walls and atoms trajectory, the Quantum Sutton-Chen multi-body potential is employed between the Pt atoms. Effects of wall surface morphology, incident direction and temperature are considered in this work and provide full information of gas-wall interaction.
Cited literature [29 references]
https://hal-upec-upem.archives-ouvertes.fr/hal-00749278
Contributor : Quy Dong To <>
Submitted on : Wednesday, November 7, 2012 - 10:56:01 AM
Last modification on : Tuesday, April 21, 2020 - 10:29:58 AM
Long-term archiving on: : Friday, February 8, 2013 - 3:42:38 AM
Contributor : Quy Dong To <>
Submitted on : Wednesday, November 7, 2012 - 10:56:01 AM
Last modification on : Tuesday, April 21, 2020 - 10:29:58 AM
Long-term archiving on: : Friday, February 8, 2013 - 3:42:38 AM
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