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

Luo Qiang-Hui; Jiang Wu-Gui; Qin Qing-Hua

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

机译：通过调整空位缺陷改善双壁纳米管振荡器的振荡性能的可能性

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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.

机译：通过分子动力学模拟方法，系统研究了具有空位缺陷的双壁碳纳米管（DWCNT）制成的振荡器的振荡行为。我们发现空位缺陷会改变离轴摇摆运动和范德华势，从而导致更多的能量耗散。与C60纳米管振荡器（Song等人，Phys。Lett。A. 373 2009，1058-1061）的情况不同，一个空位可以使振荡器更稳定，我们的研究表明，这些空位不能改善C60纳米管振荡器的性能。不管空缺缺陷位于何处，基于DWCNT的振荡器。

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来源
《Journal of nano research》 |2017年第2017期|148-155|共8页
作者
Luo Qiang-Hui; Jiang Wu-Gui; Qin Qing-Hua;
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作者单位

Nanchang Hangkong Univ, Sch Aeronaut Mfg Engn, Nanchang 330063, Jiangxi, Peoples R China;

Nanchang Hangkong Univ, Sch Aeronaut Mfg Engn, Nanchang 330063, Jiangxi, Peoples R China;

Australian Natl Univ, Res Sch Engn, Acton, ACT 2601, Australia;

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正文语种 eng
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关键词
Oscillator; Double-walled carbon nanotube; Vacancy defects; van der Waals potential; Molecular dynamics;

机译：振荡器;双壁碳纳米管;空位缺陷;范德华势;分子动力学;

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

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