Journal
APPLIED PHYSICS LETTERS
Volume 103, Issue 5, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4817668
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Funding
- National Science Council, Taiwan [NSC 101-2120-M-194-002, 101-2120-M-194-003]
- AFOSR under AOARD [114105]
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Nanomechanics and real-time buckling deformation of an individual multi-walled carbon nanotube (MWCNT) were investigated through in situ nanoindentation within a transmission electron microscope (TEM). These in situ observations reveal a significant shell-to-Euler phase transformation in the buckling response of the nanotube. Objective evidences that the MWCNT possesses time-dependent characteristic were first suggested by combining in situ TEM nanoindentation performed strain rate influences on an individual MWCNT with classical molecular dynamics simulations. Structural evolutions and buckling instabilities for thin-wall and thick-wall CNTs are theoretically studied, indicating the role of the tube thickness and interwall van der Waals interactions in governing buckling behavior. (C) 2013 AIP Publishing LLC.
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