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Title: Near-field radiative heat transfer between metamaterials coated with silicon carbide thin films

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.
Authors:
; ;  [1]
  1. School for Engineering of Matter, Transport, and Energy, Arizona State University, Tempe, Arizona 85287 (United States)
Publication Date:
OSTI Identifier:
22415157
Resource Type:
Journal Article
Resource Relation:
Journal Name: Applied Physics Letters; Journal Volume: 106; Journal Issue: 3; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; COATINGS; EXCITATION; HEAT TRANSFER; MAGNETIC RESONANCE; METAMATERIALS; OPTICAL PROPERTIES; PHONONS; PLASMONS; POLARIZATION; POLARONS; SILICON CARBIDES; SUBSTRATES; THIN FILMS