Journal
APPLIED PHYSICS LETTERS
Volume 106, Issue 3, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4906530
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Funding
- ASU New Faculty Startup fund
- University Graduate Fellowship at ASU
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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 resonances 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. (C) 2015 AIP Publishing LLC.
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