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Pattern formation on carbon nanotube surfaces

Lookup NU author(s): Professor Patrick Briddon

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Abstract

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°C. The effect of solvents on fluorine binding and surface diffusion is explored. © 2006 The American Physical Society.


Publication metadata

Author(s): Ewels CP, Van Lier G, Charlier J-C, Heggie MI, Briddon PR

Publication type: Article

Publication status: Published

Journal: Physical Review Letters

Year: 2006

Volume: 96

Issue: 21

ISSN (print): 0031-9007

ISSN (electronic): 1079-7114

Publisher: American Physical Society

URL: http://dx.doi.org/10.1103/PhysRevLett.96.216103

DOI: 10.1103/PhysRevLett.96.216103


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