Energy dissipation mechanisms in carbon nanotube oscillators

Energy transfer from the translational degrees of freedom to phonon modes is studied for isolated systems of two coaxial carbon nanotubes, which may serve as a nearly frictionless nano-oscillator. It is found that for oscillators with short nanotubes (less than 30 Å) a rocking motion, occurring when...

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Main Authors: Zhao, Yang, Ma, Chi Chiu, Chen, Guan Hua, Jiang, Qing
Other Authors: School of Materials Science & Engineering
Format: Journal Article
Language:English
Published: 2011
Subjects:
Online Access:https://hdl.handle.net/10356/92238
http://hdl.handle.net/10220/6732
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author Zhao, Yang
Ma, Chi Chiu
Chen, Guan Hua
Jiang, Qing
author2 School of Materials Science & Engineering
author_facet School of Materials Science & Engineering
Zhao, Yang
Ma, Chi Chiu
Chen, Guan Hua
Jiang, Qing
author_sort Zhao, Yang
collection NTU
description Energy transfer from the translational degrees of freedom to phonon modes is studied for isolated systems of two coaxial carbon nanotubes, which may serve as a nearly frictionless nano-oscillator. It is found that for oscillators with short nanotubes (less than 30 Å) a rocking motion, occurring when the inner tube is pulled about 1/3 out of the outer tube, is responsible for significant phonon energy acquisitions. For oscillators with long nanotubes translational energies are mainly dissipated via a wavy deformation in the outer tube undergoing radial vibrations. Frictional forces between 10^-17 and 10^-14 N per atom are found for various dissipative mechanisms.
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spelling ntu-10356/922382023-07-14T15:51:49Z Energy dissipation mechanisms in carbon nanotube oscillators Zhao, Yang Ma, Chi Chiu Chen, Guan Hua Jiang, Qing School of Materials Science & Engineering DRNTU::Science::Physics::Atomic physics::Solid state physics Energy transfer from the translational degrees of freedom to phonon modes is studied for isolated systems of two coaxial carbon nanotubes, which may serve as a nearly frictionless nano-oscillator. It is found that for oscillators with short nanotubes (less than 30 Å) a rocking motion, occurring when the inner tube is pulled about 1/3 out of the outer tube, is responsible for significant phonon energy acquisitions. For oscillators with long nanotubes translational energies are mainly dissipated via a wavy deformation in the outer tube undergoing radial vibrations. Frictional forces between 10^-17 and 10^-14 N per atom are found for various dissipative mechanisms. Published version 2011-03-03T06:20:19Z 2019-12-06T18:19:49Z 2011-03-03T06:20:19Z 2019-12-06T18:19:49Z 2003 2003 Journal Article Zhao, Y., Ma, C. C., Chen, G. H., & Jiang, Q. (2003). Energy Dissipation Mechanisms in Carbon Nanotube Oscillators, Physical Review Letters 91(17), 1-4. https://hdl.handle.net/10356/92238 http://hdl.handle.net/10220/6732 10.1103/PhysRevLett.91.175504 en Physical review letters © 2003 American Physical Society. This paper was published in Physical Review Letters and is made available as an electronic reprint (preprint) with permission of American Physical Society. The paper can be found at: [Doi: http://dx.doi.org/10.1103/PhysRevLett.91.175504]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law. 4 p. application/pdf
spellingShingle DRNTU::Science::Physics::Atomic physics::Solid state physics
Zhao, Yang
Ma, Chi Chiu
Chen, Guan Hua
Jiang, Qing
Energy dissipation mechanisms in carbon nanotube oscillators
title Energy dissipation mechanisms in carbon nanotube oscillators
title_full Energy dissipation mechanisms in carbon nanotube oscillators
title_fullStr Energy dissipation mechanisms in carbon nanotube oscillators
title_full_unstemmed Energy dissipation mechanisms in carbon nanotube oscillators
title_short Energy dissipation mechanisms in carbon nanotube oscillators
title_sort energy dissipation mechanisms in carbon nanotube oscillators
topic DRNTU::Science::Physics::Atomic physics::Solid state physics
url https://hdl.handle.net/10356/92238
http://hdl.handle.net/10220/6732
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