Nanoscale heat conduction is limited by surface scattering of phonons but can be enhanced by surface phonon-polaritons (SPhPs), which are the hybridization of photons and optical phonons in polar materials. Here, we analyze the dispersion of SPhPs in a multilayer system consisting of a silicon (Si) layer sandwiched between two silicon dioxide (SiO2) nanolayers. We find that SPhPs generated in SiO2 nanolayers couple with guided resonant modes and propagate mainly in the nonabsorbent Si layer for microscale Si thicknesses. This coupling yields an enhancement in thermal conductivity with Si thickness. In contrast, for nanoscale Si thicknesses, evanescent components of SPhPs couple inside the Si layer, resulting in a higher thermal conductivity for thinner Si layers. The transition between these two different coupling phenomena provides the minimum of the in-plane SPhP thermal conductivity at a Si thickness of approximately 1 μm. Our finding brings deeper insight into thermal management in electronics and semiconductors.
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14 November 2022
Research Article|
November 14 2022
In-plane surface phonon-polariton thermal conduction in dielectric multilayer systems
Special Collection:
Thermal Radiation at the Nanoscale and Applications
S. Tachikawa
;
S. Tachikawa
a)
(Formal analysis, Investigation, Writing – original draft)
1
Institute of Industrial Science, The University of Tokyo
, Tokyo 153-8505, Japan
a)Authors to whom correspondence should be addressed: saekotac@iis.u-tokyo.ac.jp; volz@iis.u-tokyo.ac.jp; and nomura@iis.u-tokyo.ac.jp
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J. Ordonez-Miranda
;
J. Ordonez-Miranda
(Data curation, Validation, Writing – review & editing)
1
Institute of Industrial Science, The University of Tokyo
, Tokyo 153-8505, Japan
2
LIMMS, CNRS-IIS IRL 2820, The University of Tokyo
, Tokyo 153-8505, Japan
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Y. Wu
;
Y. Wu
(Investigation, Writing – review & editing)
1
Institute of Industrial Science, The University of Tokyo
, Tokyo 153-8505, Japan
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L. Jalabert
;
L. Jalabert
(Writing – review & editing)
1
Institute of Industrial Science, The University of Tokyo
, Tokyo 153-8505, Japan
2
LIMMS, CNRS-IIS IRL 2820, The University of Tokyo
, Tokyo 153-8505, Japan
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R. Anufriev
;
R. Anufriev
(Writing – review & editing)
1
Institute of Industrial Science, The University of Tokyo
, Tokyo 153-8505, Japan
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S. Volz
;
S. Volz
a)
(Funding acquisition, Supervision, Writing – review & editing)
1
Institute of Industrial Science, The University of Tokyo
, Tokyo 153-8505, Japan
2
LIMMS, CNRS-IIS IRL 2820, The University of Tokyo
, Tokyo 153-8505, Japan
a)Authors to whom correspondence should be addressed: saekotac@iis.u-tokyo.ac.jp; volz@iis.u-tokyo.ac.jp; and nomura@iis.u-tokyo.ac.jp
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M. Nomura
M. Nomura
a)
(Funding acquisition, Supervision, Writing – review & editing)
1
Institute of Industrial Science, The University of Tokyo
, Tokyo 153-8505, Japan
2
LIMMS, CNRS-IIS IRL 2820, The University of Tokyo
, Tokyo 153-8505, Japan
a)Authors to whom correspondence should be addressed: saekotac@iis.u-tokyo.ac.jp; volz@iis.u-tokyo.ac.jp; and nomura@iis.u-tokyo.ac.jp
Search for other works by this author on:
a)Authors to whom correspondence should be addressed: saekotac@iis.u-tokyo.ac.jp; volz@iis.u-tokyo.ac.jp; and nomura@iis.u-tokyo.ac.jp
Note: This paper is part of the APL Special Collection on Thermal Radiation at the Nanoscale and Applications.
Appl. Phys. Lett. 121, 202202 (2022)
Article history
Received:
July 30 2022
Accepted:
October 23 2022
Citation
S. Tachikawa, J. Ordonez-Miranda, Y. Wu, L. Jalabert, R. Anufriev, S. Volz, M. Nomura; In-plane surface phonon-polariton thermal conduction in dielectric multilayer systems. Appl. Phys. Lett. 14 November 2022; 121 (20): 202202. https://doi.org/10.1063/5.0117081
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