Near-Field Radiative Heat Transfer between Metamaterials coated with Silicon Carbide Film

Abstract

In this letter, we study the near-field radiative heat transfer between two metamaterial substrates coated with silicon carbide (SiC) thin films. It is known that metamaterials can enhance the near-field heat transfer over ordinary materials due to excitation of magnetic plasmons associated with s polarization, while strong surface phonon polariton exists for SiC.By careful tuning of the optical properties of metamaterial it is possible to excite electrical and magnetic resonance for the metamaterial and surface phonon polaritons for SiC at different spectral regions, resulting in the enhanced heat transfer. The effect of the SiC film thickness at different vacuum gaps is investigated. Results obtained from this study will be beneficial for application of thin film coatings for energy harvesting.

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• Fano interference for tailoring near-field radiative heat transfer
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• Moderate-temperature near-field thermophotovoltaic systems with thin-film InSb cells
• High Resolution Measurement of Near-Field Radiative Heat Transfer enabled by Nanomechanical Resonators