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Pattern formation on carbon nanotube surfaces

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Ewels, CP Van Lier, Gregory [UCL] Charlier, Jean-Christophe [UCL] Heggie, MI Briddon, PR

Calculations of fluorine binding and migration on carbon nanotube surfaces show that fluorine forms varying surface superlattices at increasing temperatures. The ordering transition is controlled by the surface migration barrier for fluorine atoms to pass through next neighbor sites on the nanotube, explaining the transition from semi-ionic low coverage to covalent high coverage fluorination observed experimentally for gas phase fluorination between 200 and 250 degrees C. The effect of solvents on fluorine binding and surface diffusion is explored.

Document type Article de périodique (Journal article) – Article de recherche
Access type Accès restreint
Publication date 2006
Language Anglais
Journal information "Physical Review Letters" - Vol. 96, no. 21, p. 216103 (2006)
Peer reviewed yes
Publisher American Physical Soc (College Pk)
issn 0031-9007
Publication status Publié
Affiliation UCL
Links
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Bibliographic reference Ewels, CP ; Van Lier, Gregory ; Charlier, Jean-Christophe ; Heggie, MI ; Briddon, PR. Pattern formation on carbon nanotube surfaces. In: Physical Review Letters, Vol. 96, no. 21, p. 216103 (2006)
Permanent URL http://hdl.handle.net/2078.1/38443