Abstract
Boron nitride nanotubes with hollow conical-helix geometry have exhibited striking flexibility and elasticity comparable to metals. During an electron-beam induced deformation at room temperature, the nanotubes can be bent by a maximum angle as high as 180° and then retrieve the starting morphology without any evidence of structural failure. The outstanding low-temperature elasticity in this nano-material is interpreted by a theoretical model, displaying deformation processes dominated by slide of filaments along with changes in apex angles stepwise. The specific tubular geometry is believed to take advantages of both high stiffness and extraordinary flexibility of BN filaments, and easiness of interlayer slide in graphitic structure, hence leading to high resistance to fracture.
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Dates
Type | When |
---|---|
Created | 22 years, 1 month ago (July 24, 2003, 6:30 p.m.) |
Deposited | 1 year, 6 months ago (Feb. 5, 2024, 6:07 p.m.) |
Indexed | 1 year, 6 months ago (Feb. 5, 2024, 6:40 p.m.) |
Issued | 22 years ago (Aug. 8, 2003) |
Published | 22 years ago (Aug. 8, 2003) |
Published Print | 22 years ago (Aug. 8, 2003) |
@article{Xu_2003, title={Elastic deformation of helical-conical boron nitride nanotubes}, volume={119}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.1589738}, DOI={10.1063/1.1589738}, number={6}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Xu, F. F. and Bando, Y. and Golberg, D. and Ma, R. Z. and Li, Y. B. and Tang, C. C.}, year={2003}, month=aug, pages={3436–3440} }