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HomeJournal of Nano ResearchJournal of Nano Research Vol. 48Possibility of Improving Oscillation Performance...

Possibility of Improving Oscillation Performance of Double-Walled Nanotube Oscillators via Tuning Vacancy Defects

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Abstract:

The oscillatory behaviors of an oscillator made from double-walled carbon nanotubes (DWCNTs) with vacancy defects were systematically investigated via molecular dynamics simulation method. We found that the vacancy defects change the off-axial rocking motion and the van der Waals potential, resulting in more energy dissipation. Unlike the case in the C60–nanotube oscillators (Song, et al., Phys. Lett. A. 373 2009, 1058-1061) that one vacancy can make the oscillators more stable, our study showed that the vacancies cannot improve the performance of DWCNT-based oscillators no matter where vacancy defects are located.

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Journal of Nano Research Vol. 48

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Periodical:

Journal of Nano Research (Volume 48)

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148-155

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https://doi.org/10.4028/www.scientific.net/JNanoR.48.148

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Online since:

July 2017

Authors:

Qiang Hui Luo, Wu Gui Jiang*, Qing Hua Qin

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Double-Walled Carbon Nanotube, Molecular Dynamics, Oscillator, Vacancy Defects, Van der Waals Potential

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© 2017 Trans Tech Publications Ltd. All Rights Reserved

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