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Transverse electric field-induced deformation of armchair single-walled carbon nanotube.


ABSTRACT: The deformation of armchair single-walled carbon nanotube under transverse electric field has been investigated using density functional theory. The results show that the circular cross-sections of the nanotubes are deformed to elliptic ones, in which the tube diameter along the field direction is increased, whereas the diameter perpendicular to the field direction is reduced. The electronic structures of the deformed nanotubes were also studied. The ratio of the major diameter to the minor diameter of the elliptic cross-section was used to estimate the degree of the deformation. It is found that this ratio depends on the field strength and the tube diameter. However, the field direction has little role in the deformation.(See supplementary material 1).

SUBMITTER: Kan B 

PROVIDER: S-EPMC2893793 | biostudies-literature | 2010 May

REPOSITORIES: biostudies-literature

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Transverse electric field-induced deformation of armchair single-walled carbon nanotube.

Kan Biao B   Ding Jianning J   Yuan Ningyi N   Wang Junxiong J   Chen Zhigang Z   Chen Xiaoshuang X  

Nanoscale research letters 20100506 7


The deformation of armchair single-walled carbon nanotube under transverse electric field has been investigated using density functional theory. The results show that the circular cross-sections of the nanotubes are deformed to elliptic ones, in which the tube diameter along the field direction is increased, whereas the diameter perpendicular to the field direction is reduced. The electronic structures of the deformed nanotubes were also studied. The ratio of the major diameter to the minor diam  ...[more]

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