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Effect of single-wall carbon nanotubes’chiral angle for the phonon frequency
Author(s) -
Zhang Hui-Peng,
Qinhan Jin,
Yufang Wang,
Baohui Li,
Datong Ding
Publication year - 2005
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.54.4279
Subject(s) - brillouin zone , carbon nanotube , phonon , chirality (physics) , degenerate energy levels , curvature , vibration , materials science , condensed matter physics , molecular physics , physics , nanotechnology , chiral symmetry , quantum mechanics , geometry , mathematics , quark , nambu–jona lasinio model
The phonon frequencies at the center of Brillouin zone in a series of chiral single-wall carbon nanotubes were calculated numerically, in which the curvature effect was treated appropriately. According to the numerical results, the classification of the vibration modes for chiral tubes at the center of Brillouin zone were analysed. The relations between frequency-chirality and frequency-tube diameter for 12 non-degenerate vibration modes were illustrated.

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