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Thermal Conductivity of Isolated and Interacting Carbon Nanotubes: Comparing Results from Molecular Dynamics and the Boltzmann Transport Equation
Abstract
We investigate the thermal conductivity of single-wall carbon nanotubes (SWCNT) either isolated or in contact with external media by using equilibrium molecular dynamics and the Boltzmann transport equation. We show that, contrary to existing controversies, both methods yield a finite value of the thermal conductivity for infinitely long tubes, as opposed to the case of 1D, momentum-conserving systems. Acoustic and flexure modes with mean free paths of the order of a few microns are identified as major contributors to the high value of SWCNT conductivity. We also find that the interaction with an external medium may substantially decrease the lifetime of the low-frequency vibrations, reducing the thermal conductivity by up to 2 orders of magnitude.
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Citations
Cites
Thermal Transport Measurements of Individual Multiwalled Nanotubes
Kim, P., Shi, L., Majumdar, A., & McEuen, P. L. (2001) · Physical Review Letters · doi:10.1103/physrevlett.87.215502 · Cited by 3,378
Cited by
Thermal properties of graphene and nanostructured carbon materials
Balandin, A. A. (2011) · Nature Materials · doi:10.1038/nmat3064 · Cited by 6,244
Heat transport in low-dimensional systems
Dhar, A. (2008) · Advances in Physics · doi:10.1080/00018730802538522 · Cited by 940
Qiu, L., Zhu, N., Feng, Y., Michaelides, E. E., Żyła, G., Jing, D., Zhang, X., Norris, P. M., Markides, C. N., & Mahian, O. (2020) · Physics Reports · doi:10.1016/j.physrep.2019.12.001 · Cited by 523
Size-dependent phononic thermal transport in low-dimensional nanomaterials
Zhang, Z., Ouyang, Y., Cheng, Y., Chen, J., Li, N., & Zhang, G. (2020) · Physics Reports · doi:10.1016/j.physrep.2020.03.001 · Cited by 341
Characterization of thermal transport in low-dimensional boron nitride nanostructures
Sevik, C., Kinaci, A., Haskins, J. B., & Çağın, T. (2011) · Physical Review B · doi:10.1103/physrevb.84.085409 · Cited by 326
Metadata
- Authors
- Donadio, D., & Galli, G.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2007-12-20
- Volume
- 99
- Issue
- 25
- Pages
- 255502-255502
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2051396276
- Cited by
- 193
- References
- 1
- FWCI
- 4.39
- Type
- journal article
- Language
- en
- Open access
- closed
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- Donadio, D., & Galli, G. (2007). Thermal Conductivity of Isolated and Interacting Carbon Nanotubes: Comparing Results from Molecular Dynamics and the Boltzmann Transport Equation. Physical Review Letters. https://doi.org/10.1103/physrevlett.99.255502
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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