Hydrogen reflection in low-energy collisions with amorphous carbon |
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Authors: | C.O. Reinhold P.S. Krstic |
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Affiliation: | a Physics Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831-6372, USA b Department of Chemistry, Clemson University, Clemson, SC 29634, USA |
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Abstract: | Reflection and sticking of hydrogen atoms at amorphous carbon surfaces is studied at impact energies ranging from 0.1 to 50 eV using molecular dynamics simulations. We show that the reflection coefficient at the lowest energies is large and is very sensitive to both the many-body potential used in the simulations and the degree of hydrogen enrichment of the surfaces. |
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Keywords: | 68.49.Bc 34.35.+a 68.49.Sf 52.40.Hf 61.80.&minus x |
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