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Article

High Surface Phonon-Polariton in-Plane Thermal Conductance along Coupled Films

1
Institute of Industrial Science, The University of Tokyo, Tokyo 153-8505, Japan
2
Institut Pprime, CNRS, Universite de Poitiers, ISAE-ENSMA, F-86962 Futuroscope Chasseneuil, France
3
Laboratory for Integrated Micro Mechatronic Systems/National Center for Scientific Research-Institute of Industrial Science (LIMMS/CNRS-IIS), The University of Tokyo, Tokyo 153-8505, Japan
*
Authors to whom correspondence should be addressed.
Nanomaterials 2020, 10(7), 1383; https://doi.org/10.3390/nano10071383
Received: 10 June 2020 / Revised: 7 July 2020 / Accepted: 11 July 2020 / Published: 15 July 2020
Surface phonon-polaritons (SPhPs) are evanescent electromagnetic waves that can propagate distances orders of magnitude longer than the typical mean free paths of phonons and electrons. Therefore, they are expected to be powerful heat carriers capable of significantly enhancing the in-plane thermal conductance of polar nanostructures. In this work, we show that a SiO2/Si (10 μm thick)/SiO2 layered structure efficiently enhances the SPhP heat transport, such that its in-plane thermal conductance is ten times higher than the corresponding one of a single SiO2 film, due to the coupling of SPhPs propagating along both of its polar SiO2 nanolayers. The obtained results thus show that the proposed three-layer structure can outperform the in-plane thermal performance of a single suspended film while improving significantly its mechanical stability. View Full-Text
Keywords: surface phonon-polaritons; multilayered structure; thermal conductance; polar materials surface phonon-polaritons; multilayered structure; thermal conductance; polar materials
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MDPI and ACS Style

Tachikawa, S.; Ordonez-Miranda, J.; Wu, Y.; Jalabert, L.; Anufriev, R.; Volz, S.; Nomura, M. High Surface Phonon-Polariton in-Plane Thermal Conductance along Coupled Films. Nanomaterials 2020, 10, 1383. https://doi.org/10.3390/nano10071383

AMA Style

Tachikawa S, Ordonez-Miranda J, Wu Y, Jalabert L, Anufriev R, Volz S, Nomura M. High Surface Phonon-Polariton in-Plane Thermal Conductance along Coupled Films. Nanomaterials. 2020; 10(7):1383. https://doi.org/10.3390/nano10071383

Chicago/Turabian Style

Tachikawa, Saeko; Ordonez-Miranda, Jose; Wu, Yunhui; Jalabert, Laurent; Anufriev, Roman; Volz, Sebastian; Nomura, Masahiro. 2020. "High Surface Phonon-Polariton in-Plane Thermal Conductance along Coupled Films" Nanomaterials 10, no. 7: 1383. https://doi.org/10.3390/nano10071383

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