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Title: Electrically tunable near-field radiative heat transfer via ferroelectric materials

Abstract

We investigate ways to actively control near-field radiative heat transfer between two surfaces that relies on electrical tuning of phonon modes of ferroelectric materials. Ferroelectrics are widely used for tunable electrical devices, such as capacitors and memory devices; however, their tunable properties have not yet been examined for heat transfer applications. We demonstrate via simulations that radiative heat transfer between two ferroelectric materials can be enhanced by over two orders of magnitude over the blackbody limit in the near field, and can be tuned as much as 16.5% by modulating the coupling between surface phonon polariton modes at the two surfaces via varying external electric fields. We then talk about how to maximize the modulation contrast for tunable thermal devices using the studied mechanism.

Authors:
ORCiD logo [1];  [1];  [1]
  1. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Publication Date:
Research Org.:
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1557635
Grant/Contract Number:  
FG02-02ER45977
Resource Type:
Accepted Manuscript
Journal Name:
Applied Physics Letters
Additional Journal Information:
Journal Volume: 105; Journal Issue: 24; Journal ID: ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; Ferroelectrics; Near-­‐field Radiation; Tunable Heat Transfer; Energy Transport; Surface Phonon Polaritons

Citation Formats

Huang, Yi, Boriskina, Svetlana V., and Chen, Gang. Electrically tunable near-field radiative heat transfer via ferroelectric materials. United States: N. p., 2014. Web. doi:10.1063/1.4904456.
Huang, Yi, Boriskina, Svetlana V., & Chen, Gang. Electrically tunable near-field radiative heat transfer via ferroelectric materials. United States. doi:10.1063/1.4904456.
Huang, Yi, Boriskina, Svetlana V., and Chen, Gang. Mon . "Electrically tunable near-field radiative heat transfer via ferroelectric materials". United States. doi:10.1063/1.4904456. https://www.osti.gov/servlets/purl/1557635.
@article{osti_1557635,
title = {Electrically tunable near-field radiative heat transfer via ferroelectric materials},
author = {Huang, Yi and Boriskina, Svetlana V. and Chen, Gang},
abstractNote = {We investigate ways to actively control near-field radiative heat transfer between two surfaces that relies on electrical tuning of phonon modes of ferroelectric materials. Ferroelectrics are widely used for tunable electrical devices, such as capacitors and memory devices; however, their tunable properties have not yet been examined for heat transfer applications. We demonstrate via simulations that radiative heat transfer between two ferroelectric materials can be enhanced by over two orders of magnitude over the blackbody limit in the near field, and can be tuned as much as 16.5% by modulating the coupling between surface phonon polariton modes at the two surfaces via varying external electric fields. We then talk about how to maximize the modulation contrast for tunable thermal devices using the studied mechanism.},
doi = {10.1063/1.4904456},
journal = {Applied Physics Letters},
number = 24,
volume = 105,
place = {United States},
year = {2014},
month = {12}
}

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Cited by: 6 works
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Works referenced in this record:

Room-temperature ferroelectricity in strained SrTiO3
journal, August 2004

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