Spheroidal nanoparticles as thermal near-field sensors
arXiv:1103.4511 · doi:10.1063/1.3437651
Abstract
We suggest to exploit the shape-dependence of the near-field heat transfer for nanoscale thermal imaging. By utilizing strongly prolate or oblate nanoparticles as sensors one can assess individual components of the correlation tensors characterizing the thermal near field close to a nanostructured surface, and thus obtain directional information beyond the local density of states. Our theoretical considerations are backed by idealized numerical model calculations.
References in corpus (9)
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- Near-field radiative heat transfer between a sphere and a substrate
- Effects of spatial dispersion in near-field radiative heat transfer between two parallel metallic surfaces
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Cited by in corpus (10)
- Near-field Radiative Heat Transfer in Many-Body Systems
- Modulation of near-field heat transfer between two gratings
- Fluctuating surface-current formulation of radiative heat transfer: theory and applications
- Radiative Heat Transfer in Anisotropic Many-Body Systems: Tuning and Enhancement
- Strong tip-sample coupling in thermal radiation scanning tunneling microscopy
- Radiative cooling of nanoparticles close to a surface
- Three-body radiation dynamics in systems with anisotropic nanoparticles
- Temperature dependence of plasmon resonances in spheroidal metal nanoparticles
- Probing the Dynamical Behaviour of Surface Dipoles Through Energy Absorption Interferometry
- Quantum emitter coupled to plasmonic nanotriangle: Spatially dependent emission and thermal mapping