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Title: Bending behavior of double-walled carbon nanotubes with sp3 interwall bonds
Authors: Zhang, Y.Y.
Wang, C.M. 
Xiang, Y.
Issue Date: 15-Apr-2011
Citation: Zhang, Y.Y., Wang, C.M., Xiang, Y. (2011-04-15). Bending behavior of double-walled carbon nanotubes with sp3 interwall bonds. Journal of Applied Physics 109 (8) : -. ScholarBank@NUS Repository.
Abstract: The bending behavior of double-walled carbon nanotubes (DWCNTs) with sp3 interwall bonding is investigated by using molecular dynamics simulations. The presence of sp3 interwall bonding is shown to have a significant influence on the bending properties of DWCNTs and the effects are strongly dependent on the sp3 distribution density as well as temperature and geometry of DWCNTs. The adverse initial perturbation dominates at a low distribution density and thereby making the DWCNTs more susceptible to bending instability. However, the stiffening effect of sp3 interwall bonding is triggered after a sufficiently large distribution density is reached and one can expect the bending rigidity of the DWCNTs to improve substantially thereafter with increasing distribution density. © 2011 American Institute of Physics.
Source Title: Journal of Applied Physics
ISSN: 00218979
DOI: 10.1063/1.3569593
Appears in Collections:Staff Publications

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