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Title: Temperature-independent thermal radiation

Abstract

Thermal emission is the process by which all objects at nonzero temperatures emit light and is well described by the Planck, Kirchhoff, and Stefan–Boltzmann laws. For most solids, the thermally emitted power increases monotonically with temperature in a one-to-one relationship that enables applications such as infrared imaging and noncontact thermometry. Here, we demonstrated ultrathin thermal emitters that violate this one-to-one relationship via the use of samarium nickel oxide (SmNiO 3), a strongly correlated quantum material that undergoes a fully reversible, temperature-driven solid-state phase transition. The smooth and hysteresis-free nature of this unique insulator-to-metal phase transition enabled us to engineer the temperature dependence of emissivity to precisely cancel out the intrinsic blackbody profile described by the Stefan–Boltzmann law, for both heating and cooling. Our design results in temperature-independent thermally emitted power within the long-wave atmospheric transparency window (wavelengths of 8 to 14 µm), across a broad temperature range of ~30 °C, centered around ~120 °C. As a result, the ability to decouple temperature and thermal emission opens a gateway for controlling the visibility of objects to infrared cameras and, more broadly, opportunities for quantum materials in controlling heat transfer.

Authors:
 [1];  [1];  [2];  [3];  [1];  [1];  [1];  [1];  [1];  [4]; ORCiD logo [5];  [4];  [3];  [1]
  1. Univ. of Wisconsin-Madison, Madison, WI (United States)
  2. Harvard Univ., Cambridge, MA (United States)
  3. Purdue Univ., West Lafayette, IN (United States)
  4. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
  5. Brookhaven National Lab. (BNL), Upton, NY (United States)
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1580242
Report Number(s):
BNL-212473-2019-JAAM
Journal ID: ISSN 0027-8424
Grant/Contract Number:  
SC0012704; N00014-16-1-2556; ECCS-1750341; FA9550-16-1-0159
Resource Type:
Accepted Manuscript
Journal Name:
Proceedings of the National Academy of Sciences of the United States of America
Additional Journal Information:
Journal Volume: 116; Journal Issue: 52; Journal ID: ISSN 0027-8424
Publisher:
National Academy of Sciences
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; thermal radiation; thermal emission; phase transition; quantum materials; heat transfer

Citation Formats

Shahsafi, Alireza, Roney, Patrick, Zhou, You, Zhang, Zhen, Xiao, Yuzhe, Wan, Chenghao, Wambold, Raymond, Salman, Jad, Yu, Zhaoning, Li, Jiarui, Sadowski, Jerzy T., Comin, Riccardo, Ramanathan, Shriram, and Kats, Mikhail A. Temperature-independent thermal radiation. United States: N. p., 2019. Web. doi:10.1073/pnas.1911244116.
Shahsafi, Alireza, Roney, Patrick, Zhou, You, Zhang, Zhen, Xiao, Yuzhe, Wan, Chenghao, Wambold, Raymond, Salman, Jad, Yu, Zhaoning, Li, Jiarui, Sadowski, Jerzy T., Comin, Riccardo, Ramanathan, Shriram, & Kats, Mikhail A. Temperature-independent thermal radiation. United States. doi:10.1073/pnas.1911244116.
Shahsafi, Alireza, Roney, Patrick, Zhou, You, Zhang, Zhen, Xiao, Yuzhe, Wan, Chenghao, Wambold, Raymond, Salman, Jad, Yu, Zhaoning, Li, Jiarui, Sadowski, Jerzy T., Comin, Riccardo, Ramanathan, Shriram, and Kats, Mikhail A. Tue . "Temperature-independent thermal radiation". United States. doi:10.1073/pnas.1911244116.
@article{osti_1580242,
title = {Temperature-independent thermal radiation},
author = {Shahsafi, Alireza and Roney, Patrick and Zhou, You and Zhang, Zhen and Xiao, Yuzhe and Wan, Chenghao and Wambold, Raymond and Salman, Jad and Yu, Zhaoning and Li, Jiarui and Sadowski, Jerzy T. and Comin, Riccardo and Ramanathan, Shriram and Kats, Mikhail A.},
abstractNote = {Thermal emission is the process by which all objects at nonzero temperatures emit light and is well described by the Planck, Kirchhoff, and Stefan–Boltzmann laws. For most solids, the thermally emitted power increases monotonically with temperature in a one-to-one relationship that enables applications such as infrared imaging and noncontact thermometry. Here, we demonstrated ultrathin thermal emitters that violate this one-to-one relationship via the use of samarium nickel oxide (SmNiO3), a strongly correlated quantum material that undergoes a fully reversible, temperature-driven solid-state phase transition. The smooth and hysteresis-free nature of this unique insulator-to-metal phase transition enabled us to engineer the temperature dependence of emissivity to precisely cancel out the intrinsic blackbody profile described by the Stefan–Boltzmann law, for both heating and cooling. Our design results in temperature-independent thermally emitted power within the long-wave atmospheric transparency window (wavelengths of 8 to 14 µm), across a broad temperature range of ~30 °C, centered around ~120 °C. As a result, the ability to decouple temperature and thermal emission opens a gateway for controlling the visibility of objects to infrared cameras and, more broadly, opportunities for quantum materials in controlling heat transfer.},
doi = {10.1073/pnas.1911244116},
journal = {Proceedings of the National Academy of Sciences of the United States of America},
number = 52,
volume = 116,
place = {United States},
year = {2019},
month = {12}
}

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