Chen, CW and Robertson, J (2006) Surface atomic properties of tetrahedral amorphous carbon. Diamond and Related Materials, 15. pp. 936-938. ISSN 0925-9635Full text not available from this repository.
The surface energy and surface atomic structure of tetrahedral amorphous carbon has been calculated by an ab-initio method. The surface atoms are found to reconstruct into sp2 sites often bonded in graphitic rings. Placing the dangling bonds on adjacent surface atoms lower their energy by π-bonding and this is the source of the low surface energy. The even lower surface energy of hydrogenated amorphous carbon (a-C:H) is due to the hydrogenation of all broken surface bonds. © 2005 Elsevier B.V. All rights reserved.
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