Photonic thermal conduction by infrared plasmonic resonators in semiconductor nanowires
Autor: | Tervo, Eric J., Gustafson, Michael E., Zhang, Zhuomin M., Cola, Baratunde A., Filler, Michael A. |
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Rok vydání: | 2019 |
Předmět: | |
Druh dokumentu: | Working Paper |
DOI: | 10.1063/1.5093309 |
Popis: | Photons typically do not contribute to thermal transport within a solid due to their low energy density and tendency to be quickly absorbed. We propose a practical material system - infrared plasmonic resonators embedded in a semiconductor nanowire - that leverages near-field electromagnetic coupling to achieve photonic thermal transport comparable to the electronic and phononic contributions. We analytically show photonic thermal conductivities up to about 1 W m-1 K-1 for 10 nm diameter Si and InAs nanowires containing repeated resonators at 500 K. The nanowire system outperforms plasmonic particles in isotropic environments and presents a pathway for photonic thermal transport to exceed that of phonons and electrons. Comment: 10 pages, 4 figures, plus supplementary information |
Databáze: | arXiv |
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