Journal
PHYSICAL REVIEW B
Volume 99, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.99.035433
Keywords
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Funding
- National Natural Science Foundation of China [51636004, 51476097]
- Science and Technology Commission of Shanghai Municipality [16JC1403200, 18JC1413300]
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Near-field radiative heat transfer has attracted increased attention in recent years for surpassing the far-field blackbody limit. Recently, it has been developed into three-body scenario to further enhance the heat transfer rate. Here we propose the exact formulation of near-field radiative heat transfer in three-body systems with periodic structures. We demonstrate that a three-grating system could provide the possibility to enhance radiative heat transfer over two-grating and three-slab counterparts. This enhancement is attributed to an additional heat transport channel provided by the intermediate grating, which can support hyperbolic surface modes in a specific wavelength range. Moreover, asymmetric situations are analyzed for weighting the impacts of both structure and position asymmetries on modulation of the near-field properties in the system. These findings open new pathways toward extended control over radiative heat transfer in the near-field regime.
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