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Related papers: Near-field radiative heat transfer between rough s…

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Dielectric media are very promising for near-field radiative heat transfer (NFRHT) applications as these materials can thermally emit surface phonon polaritons (SPhPs) resulting in large and quasi-monochromatic heat fluxes. Near-field…

The near-field radiative heat transfer (NFRHT) between one-dimensional metamaterials comprising phonon dielectric multilayers was experimented. Large sized (1cm x 1cm) near-field samples were fabricated using SiC, SiO2 and Ge layers at a…

Near-field radiative heat transfer (NFRHT) between dissimilar materials supporting surface polaritons in the infrared is of critical importance for applications such as photonic thermal rectification and near-field thermophotovoltaics.…

Applied Physics · Physics 2020-03-09 Lei Tang , John DeSutter , Mathieu Francoeur

Near-field radiative heat transfer (NFRHT) between irregularly shaped dielectric particles made of SiO2 and morphology characterized by Gaussian random spheres is studied. Particles are modeled using the discrete system Green's function…

Applied Physics · Physics 2023-01-16 Lindsay P. Walter , Eric J. Tervo , Mathieu Francoeur

In this work we analyze the near-field radiative heat transfer (NFRHT) between finite-thickness planar fused silica slabs coated with graphene gratings. We go beyond the effective medium approximation by using an exact Fourier Modal Method…

Applied Physics · Physics 2024-03-14 Minggang Luo , Youssef Jeyar , Brahim Guizal , Junming Zhao , Mauro Antezza

In this work we focus on the surface roughness correction to the near-field radiative heat transfer between a nanoparticle and a material with a rough surface utilizing a direct perturbation theory up to second order in the surface profile.…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 Svend-Age Biehs , Jean-Jacques Greffet

It is well established that near-field radiative heat transfer (NFRHT) can exceed Planck's blackbody limit1 by orders of magnitude owing to the tunneling of evanescent electromagnetic frustrated and surface modes2-4, as has been…

Optics · Physics 2023-11-01 Lei Tang , Lívia M. Corrêa , Mathieu Francoeur , Chris Dames

A generalized fluctuational electrodynamics-based many-body approach for calculating near-field radiative heat transfer (NFRHT) between nonspherical dipoles is proposed. The geometric parameters of nonspherical dipoles are implemented in…

Applied Physics · Physics 2025-09-10 Lindsay P. Walter , Mathieu Francoeur

Recently, many works have experimentally demonstrated near-field radiative heat transfer (NFRHT) exceeding the far-field blackbody limit between planar surfaces. Due to the difficulties associated with maintaining the nanosize gaps required…

Applied Physics · Physics 2019-07-02 John DeSutter , Lei Tang , Mathieu Francoeur

Enhancement and peaks in near-field radiative heat transfer (NFRHT) typically arise due to surface phonon-polaritons, plasmon-polaritons, and electromagnetic (EM) modes in structured materials. However, the role of material quantum…

Mesoscale and Nanoscale Physics · Physics 2025-09-29 Wenbo Sun , Zhuomin M. Zhang , Zubin Jacob

A fluctuational electrodynamics-based formalism for calculating near-field radiative heat transfer between objects of arbitrary size and shape and an infinite surface is presented. The surface interactions are treated analytically via…

Computational Physics · Physics 2016-07-13 Sheila Edalatpour , Mathieu Francoeur

Near-field radiative heat transfer between close objects may exceed the far-field blackbody radiation in orders of magnitude when exploiting polaritonic materials. Great efforts have been made to experimentally measure this fundamental…

Near-field radiative heat transfer (NFRHT) is strongly related with many applications such as near-field imaging, thermos-photovoltaics and thermal circuit devices. The active control of NFRHT is of great interest since it provides a degree…

Mesoscale and Nanoscale Physics · Physics 2019-07-17 Lixin Ge , Ke Gong , Yuping Cang , Yongsong Luo , Xi Shi , Ying Wu

Near-field radiative heat transfer (RHT) between two bodies can significantly exceed the far-field limit set by Planck's law due to the evanescent wave tunneling, which typically can only occur when the two bodies are separated at…

Applied Physics · Physics 2018-03-14 Jian Dong , Junming Zhao , Linhua Liu

We explore in the present work the near-field radiative heat transfer between two semi-infinite parallel nonlocal dielectric planes by means of fluctuational electrodynamics. We use atheory for the nonlocal dielectric permittivityfunction…

Classical Physics · Physics 2015-07-20 F Singer , Y Ezzahri , Karl Joulain

Twisted two-dimensional bilayer materials exhibit many exotic physical phenomena. Manipulating the twist angle between the two layers enables fine control of the physical structure, resulting in development of many novel physics, such as…

Optics · Physics 2021-04-14 ChengLong Zhou , XiaoHu Wu , Yong Zhang , HongLiang Yi , Mauro Antezza

Metasurfaces, the two-dimensional (2D) counterpart of metamaterials, have recently attracted a great attention due to their amazing properties such as negative refraction, hyperbolic dispersion, manipulation of the evanescent spectrum. In…

Mesoscale and Nanoscale Physics · Physics 2019-08-21 Yong Zhang , Mauro Antezza , Hong-Liang Yi , He-Ping Tan

In this letter, active control of near-field radiative heat transfer (NFRHT) between two isotropic materials is realized by a coating-twisting method. The two slabs are coated with graphene gratings, and then the NFRHT can be not only…

Applied Physics · Physics 2020-07-06 Mingjian He , Hong Qi , Yatao Ren , Yijun Zhao , Mauro Antezza

Metamaterials possess artificial bulk and surface electromagnetic states. Tamed dispersion properties of surface waves allow one to achieve controllable super-Planckian radiative heat transfer (RHT) process between two closely spaced…

Optics · Physics 2016-09-28 Jin Dai , Sergey A. Dyakov , Sergey I. Bozhevolnyi , Min Yan

Near-field (NF) radiative heat transfer (RHT) over vacuum space between closely spaced bodies can exceed the Planck far-field (FF) values by orders of magnitude. Strong effect of superconductivity on NF RHT between plane-parallel thin-film…

Superconductivity · Physics 2019-01-23 Věra Musilová , Tomáš Králík , Tomáš Fořt , Michal Macek
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