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  4. Hollow carbon spheres in microwaves: Bio inspired absorbing coating
 
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2016
Journal Article
Title

Hollow carbon spheres in microwaves: Bio inspired absorbing coating

Abstract
The electromagnetic response of a heterostructure based on a monolayer of hollow glassy carbon spheres packed in 2D was experimentally surveyed with respect to its response to microwaves, namely, the Ka-band (26-37 GHz) frequency range. Such an ordered monolayer of spheres mimics the well-known ""moth-eye""-like coating structures, which are widely used for designing anti-reflective surfaces, and was modelled with the long-wave approximation. Based on the experimental and modelling results, we demonstrate that carbon hollow spheres may be used for building an extremely lightweight, almost perfectly absorbing, coating for Ka-band applications.
Author(s)
Bychanok, Dmitry S.
Li, S.
Sanchez-Sanchez, A.
Gorokhov, G.
Kuzhir, Polina P.
Ogrin, Feodor Yu
Pasc, Andrea
Ballweg, Thomas  
Fraunhofer-Institut für Silicatforschung ISC  
Mandel, Karl-Sebastian  
Fraunhofer-Institut für Silicatforschung ISC  
Szczurek, Andrzej
Fierro, V.
Celzard, Alain
Journal
Applied Physics Letters  
Open Access
DOI
10.1063/1.4938537
Additional full text version
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Language
English
Fraunhofer-Institut für Silicatforschung ISC  
Keyword(s)
  • Antireflexschicht

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