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Temperature-Dependent Thermal Boundary Conductance of Monolayer MoS2 by Raman Thermometry
Open accessAbstract
The electrical and thermal behavior of nanoscale devices based on two-dimensional (2D) materials is often limited by their contacts and interfaces. Here we report the temperature-dependent thermal boundary conductance (TBC) of monolayer MoS 2 with AlN and SiO 2, using Raman thermometry with laser-induced heating. The temperature-dependent optical absorption of the 2D material is crucial in such experiments, which we characterize here for the first time above room temperature. We obtain TBC ∼ 15 MW m –2 K –1 near room temperature, increasing as ∼ T 0.65 in the range 300−600 K. The similar TBC of MoS 2 with the two substrates indicates that MoS 2 is the “softer” material with weaker phonon irradiance, and the relatively low TBC signifies that such interfaces present a key bottleneck in energy dissipation from 2D devices. Our approach is needed to correctly perform Raman thermometry of 2D materials, and our findings are key for understanding energy coupling at the nanoscale.
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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
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
Thermal Conductivity and Phonon Transport in Suspended Few-Layer Hexagonal Boron Nitride
Jo, I., Pettes, M. T., Kim, J., Watanabe, K., Taniguchi, T., Yao, Z., & Shi, L. (2013) · Nano Letters · doi:10.1021/nl304060g · Cited by 770
Heat transport in thin dielectric films
Lee, S.-M., & Cahill, D. G. (1997) · Journal of Applied Physics · doi:10.1063/1.363923 · Cited by 732
Liu, J., Choi, G.-M., & Cahill, D. G. (2014) · Journal of Applied Physics · doi:10.1063/1.4904513 · Cited by 262
Kimling, J., Philippi-Kobs, A., Jacobsohn, J., Oepen, H. P., & Cahill, D. G. (2017) · Physical Review B · doi:10.1103/physrevb.95.184305 · Cited by 76
Metadata
- Authors
- Yalon, E., Aslan, B., Smithe, K. K. H., McClellan, C. J., Suryavanshi, S. V., Xiong, F., Sood, A., Neumann, C. M., Xu, X., Goodson, K. E., Heinz, T. F., & Pop, E.
- Venue
- ACS Applied Materials & Interfaces
- Publisher
- American Chemical Society (ACS)
- Published
- 2017-10-20
- Volume
- 9
- Issue
- 49
- Pages
- 43013-43020
- ISSN
- 1944-8244 (ISSN-L)
- 1944-8252
- OpenAlex
- W2765267178
- Cited by
- 179
- References
- 6
- FWCI
- 7.79
- Type
- journal article
- Language
- en
- Open access
- green
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- Yalon, E., Aslan, B., Smithe, K. K. H., McClellan, C. J., Suryavanshi, S. V., Xiong, F., Sood, A., Neumann, C. M., Xu, X., Goodson, K. E., Heinz, T. F., & Pop, E. (2017). Temperature-Dependent Thermal Boundary Conductance of Monolayer MoS2 by Raman Thermometry. ACS Applied Materials & Interfaces. https://doi.org/10.1021/acsami.7b11641
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