期刊
FULLERENES NANOTUBES AND CARBON NANOSTRUCTURES
卷 14, 期 2-3, 页码 131-140出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/15363830600663412
关键词
carbon nanotubes; interwall interaction; incommensurability defects; electromechanical nanodevices
Interaction of non-rigid walls of double-walled carbon nanotubes is studied within the Frenkel-Kontorova model. It reveals a clearly defined commensurate-incommensurate phase transition. Parameter which determines this phase is calculated for a set of double-walled nanotubes with non-chiral commensurate walls using ab initio interwall interaction energies and elastic properties. Possibility of formation of incommensurability defects in the commensurate phase is considered. The length of the defects and energy of their formation are calculated. Principal scheme of strain nanosensor based on the commensurate-incommensurate phase transition in double-walled nanotube is proposed.
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