On instability of single-walled carbon nanotubes with a vacancy defect

Q. Wang; V. K. Varadan; Y. Xiang; Q. K. Han; B. C. Wen

doi:10.1142/S0219455408002697

On instability of single-walled carbon nanotubes with a vacancy defect

Q. Wang, V. K. Varadan, Y. Xiang, Q. K. Han, B. C. Wen

School of Engineering, Design & Built Environment

Research output: Contribution to journal › Article › peer-review

16 Citations (Scopus)

Abstract

This technical note is concerned with the buckling of single-walled carbon nanotubes with one atomic vacancy. An elastic beam theory is developed to predict the buckling strain of defective CNTs, and the strain prediction via the continuum mechanics model is verified from comparison studies by molecular dynamics simulations. The results demonstrate the effectiveness of the continuum mechanics theory for longer CNTs. In addition, a local kink is revealed in the morphology of the buckling of shorter defective CNTs via molecular dynamics.

Original language	English
Pages (from-to)	357-366
Number of pages	10
Journal	International Journal of Structural Stability and Dynamics
Volume	8
Issue number	2
DOIs	https://doi.org/10.1142/S0219455408002697
Publication status	Published - 2008

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AU - Varadan, V. K.

AU - Xiang, Y.

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AU - Wen, B. C.

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AB - This technical note is concerned with the buckling of single-walled carbon nanotubes with one atomic vacancy. An elastic beam theory is developed to predict the buckling strain of defective CNTs, and the strain prediction via the continuum mechanics model is verified from comparison studies by molecular dynamics simulations. The results demonstrate the effectiveness of the continuum mechanics theory for longer CNTs. In addition, a local kink is revealed in the morphology of the buckling of shorter defective CNTs via molecular dynamics.

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On instability of single-walled carbon nanotubes with a vacancy defect

Abstract

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