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Title
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Reaction mechanisms and thin a-C:H film growth from low energy hydrocarbon radicals
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Author
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Abstract
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| Molecular dynamics simulations using the Brenner potential have been performed to investigate reaction mechanisms of various hydrocarbon radicals with low kinetic energies on amorphous hydrogenated carbon (a-C:H) surfaces and to simulate thin a-C:H film growth. Experimental data from an expanding thermal plasma setup were used as input for the simulations. The hydrocarbon reaction mechanisms were studied both during growth of the films and on a set of surface sites specific for a-C:H surfaces. Thin film growth was studied using experimentally detected growth species. It is found that the reaction mechanisms and sticking coefficients are dependent on the specific surface sites, and the structural properties of the growth radicals. Furthermore, it is found that thin a-C:H films can be densified using an additional H-flux towards the substrate. |
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Language
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English
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Source (journal)
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Journal of physics : conference series. - Bristol, 2004, currens
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Publication
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Bristol
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Institute of Physics Publishing
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2007
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ISSN
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1742-6588
[print]
1742-6596
[online]
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DOI
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10.1088/1742-6596/86/1/012020
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Volume/pages
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86
(2007)
, p. 12020,1-12020,15
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Article Reference
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12020
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ISI
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000256282900020
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Medium
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E-only publicatie
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Full text (Publisher's DOI)
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Full text (open access)
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