Engineering the heat flux between two surfaces kept at different temperatures relies on the ability to tailor the dispersion of modes sustained by the system. Metasurfaces made of ordered arrays of subwavelength spherical nanoparticles have an optical response that depends not only on materials but also on their geometrical parameters. Our system is modeled by using an effective medium approximation allowing the homogenization of individual metasurfaces and replacing them with anisotropic layers. Excitation or suppression of surface and hyperbolic modes can be controlled by means of different degrees of freedom offered by the metasurfaces. By leveraging this flexibility, we theoretically show that the near-field radiative heat transfer between two such metasurfaces can be effectively geometrically tuned.
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14 November 2022
Research Article|
November 18 2022
Near-field radiative heat transfer management by subwavelength plasmonic crystals
Special Collection:
Thermal Radiation at the Nanoscale and Applications
S. G. Castillo-López
;
S. G. Castillo-López
(Conceptualization, Data curation, Formal analysis, Funding acquisition, Methodology, Supervision, Validation, Visualization, Writing – original draft)
Instituto de Física, Universidad Nacional Autónoma de México
, Apartado Postal 20-364, Mexico 01000, Mexico
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R. Esquivel-Sirvent
;
R. Esquivel-Sirvent
(Formal analysis, Funding acquisition, Investigation, Supervision, Writing – original draft)
Instituto de Física, Universidad Nacional Autónoma de México
, Apartado Postal 20-364, Mexico 01000, Mexico
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C. Villarreal
;
C. Villarreal
(Funding acquisition, Supervision, Writing – original draft)
Instituto de Física, Universidad Nacional Autónoma de México
, Apartado Postal 20-364, Mexico 01000, Mexico
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G. Pirruccio
G. Pirruccio
a)
(Conceptualization, Data curation, Formal analysis, Funding acquisition, Methodology, Supervision, Validation, Visualization, Writing – original draft)
Instituto de Física, Universidad Nacional Autónoma de México
, Apartado Postal 20-364, Mexico 01000, Mexico
a)Author to whom correspondence should be addressed: pirruccio@fisica.unam.mx
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a)Author to whom correspondence should be addressed: pirruccio@fisica.unam.mx
Note: This paper is part of the APL Special Collection on Thermal Radiation at the Nanoscale and Applications.
Appl. Phys. Lett. 121, 201708 (2022)
Article history
Received:
August 29 2022
Accepted:
November 07 2022
Citation
S. G. Castillo-López, R. Esquivel-Sirvent, C. Villarreal, G. Pirruccio; Near-field radiative heat transfer management by subwavelength plasmonic crystals. Appl. Phys. Lett. 14 November 2022; 121 (20): 201708. https://doi.org/10.1063/5.0123232
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