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Item type:Publication, Access status: with files , Near-field radiative heat transfer with hyperbolic metamaterials(2019); Despite its general significance, Max Planck’s blackbody theory cannot explain the increase in radiative heat flux between closely spaced bodies, known as near-field radiative heat transfer. We experimentally demonstrate this effect by utilizing a new, dynamic measuring technique and show heat fluxes up to 16 times above the blackbody limit. We also reveal that thermal radiation inside hyperbolic metamaterials (HMMs) – extremely anisotropic nanostructures – is very strong and has properties significantly different from blackbody radiation. Finally, near-field heat flux between HMMs turns out to be very strong and its penetration into the HMMs is comparatively large.Publicationtype: Doctoral Thesis463 902