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Acoustic energy dissipation and thermalization in carbon nanotubes: Atomistic modeling and mesoscopic description
The rates and channels through which acoustic energy deposited instantaneously in individual CNTs is dissipated are investigated in a series of atomistic molecular dynamics simulations. Several distinct regimes of energy dissipation, dependent on the initial stretching or bending deformations, are e...
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| Published in: | Physical review. B, Condensed matter and materials physics Condensed matter and materials physics, 2012-10, Vol.86 (16), Article 165414 |
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| Main Authors: | , , , , |
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| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c417t-558f49ea88af6361bfa023ac0758bb707fe8cd31b96ec2fd9b4e17f17ddc5f033 |
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| cites | cdi_FETCH-LOGICAL-c417t-558f49ea88af6361bfa023ac0758bb707fe8cd31b96ec2fd9b4e17f17ddc5f033 |
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| container_issue | 16 |
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| container_title | Physical review. B, Condensed matter and materials physics |
| container_volume | 86 |
| creator | Jacobs, William M. Nicholson, David A. Zemer, Hagit Volkov, Alexey N. Zhigilei, Leonid V. |
| description | The rates and channels through which acoustic energy deposited instantaneously in individual CNTs is dissipated are investigated in a series of atomistic molecular dynamics simulations. Several distinct regimes of energy dissipation, dependent on the initial stretching or bending deformations, are established. The onset of axial or bending buckling marks the transition from a regime of slow thermalization to a regime in which the energy associated with longitudinal and bending oscillations is rapidly damped.The results of the atomistic simulations are used in the design and parameterization of a "heat bath" description of thermal energy in a mesoscopic model, which is capable of simulating systems consisting of thousands of interacting CNTs. |
| doi_str_mv | 10.1103/PhysRevB.86.165414 |
| format | article |
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| identifier | ISSN: 1098-0121 |
| ispartof | Physical review. B, Condensed matter and materials physics, 2012-10, Vol.86 (16), Article 165414 |
| issn | 1098-0121 1550-235X |
| language | eng |
| recordid | cdi_osti_scitechconnect_1565038 |
| source | American Physical Society:Jisc Collections:APS Read and Publish 2023-2025 (reading list) |
| subjects | Acoustics Bending Channels Computer simulation Condensed matter Energy dissipation Materials Science Mathematical models Parametrization Physics |
| title | Acoustic energy dissipation and thermalization in carbon nanotubes: Atomistic modeling and mesoscopic description |
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