The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
Acoustic Phonon Lifetimes and Thermal Transport in Free-Standing and Strained Graphene
Open accessAbstract
We use first-principles methods based on density functional perturbation theory to characterize the lifetimes of the acoustic phonon modes and their consequences on the thermal transport properties of graphene. We show that using a standard perturbative approach, the transverse and longitudinal acoustic phonons in free-standing graphene display finite lifetimes in the long-wavelength limit, making them ill-defined as elementary excitations in samples of dimensions larger than ∼1 μm. This behavior is entirely due to the presence of the quadratic dispersions for the out-of-plane phonon (ZA) flexural modes that appear in free-standing low-dimensional systems. Mechanical strain lifts this anomaly, and all phonons remain well-defined at any wavelength. Thermal transport is dominated by ZA modes, and the thermal conductivity is predicted to diverge with system size for any amount of strain. These findings highlight strain and sample size as key parameters in characterizing or engineering heat transport in graphene.
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Cites
Superior Thermal Conductivity of Single-Layer Graphene
Balandin, A. A., Ghosh, S., Bao, W., Calizo, I., Teweldebrhan, D., Miao, F., & Lau, C. N. (2008) · Nano Letters · doi:10.1021/nl0731872 · Cited by 13,823
Thermal properties of graphene and nanostructured carbon materials
Balandin, A. A. (2011) · Nature Materials · doi:10.1038/nmat3064 · Cited by 6,244
Two-Dimensional Phonon Transport in Supported Graphene
Seol, J. H., Jo, I., Moore, A. L., Lindsay, L., Aitken, Z. H., Pettes, M. T., Li, X., Yao, Z., Huang, R., Broido, D., et al. (2010) · Science · doi:10.1126/science.1184014 · Cited by 1,926
Cited by
ShengBTE: A solver of the Boltzmann transport equation for phonons
Li, W., Carrete, J., A. Katcho, N., & Mingo, N. (2014) · Computer Physics Communications · doi:10.1016/j.cpc.2014.02.015 · Cited by 3,147
Thermal Conductivity of Graphene and Graphite: Collective Excitations and Mean Free Paths
Fugallo, G., Cepellotti, A., Paulatto, L., Lazzeri, M., Marzari, N., & Mauri, F. (2014) · Nano Letters · doi:10.1021/nl502059f · Cited by 586
Self-citationPhonons and thermal transport in graphene and graphene-based materials
Nika, D. L., & Balandin, A. A. (2017) · Reports on Progress in Physics · doi:10.1088/1361-6633/80/3/036502 · Cited by 359
Thermal and Thermoelectric Properties of Graphene
Xu, Y., Li, Z., & Duan, W. (2014) · Small · doi:10.1002/smll.201303701 · Cited by 300
Temperature-Dependent Mean Free Path Spectra of Thermal Phonons Along the c-Axis of Graphite
Zhang, H., Chen, X., Jho, Y.-D., & Minnich, A. J. (2016) · Nano Letters · doi:10.1021/acs.nanolett.5b04499 · Cited by 106
Metadata
- Authors
- Bonini, N., Garg, J., & Marzari, N.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2012-05-31
- Volume
- 12
- Issue
- 6
- Pages
- 2673-2678
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W1970311092
- Cited by
- 218
- References
- 3
- FWCI
- 6.52
- Type
- journal article
- Language
- en
- Open access
- green
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