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Título: | Monodisperse silicon nanocavities and photonic crystals with magnetic response in the optical region |
Autor: | Shi, Lei; Fenollosa Esteve, Roberto; Rodríguez, Marie-Isabelle; Meseguer, Francisco CSIC ORCID | Palabras clave: | Nanotechnology Physical sciences Optical physics |
Fecha de publicación: | 2013 | Editor: | Nature Publishing Group | Citación: | Nature Communications 4: 1904 (2013) | Resumen: | It is generally accepted that the magnetic component of light has a minor role in the light-matter interaction. The recent discovery of metamaterials has broken this traditional understanding, as both the electric and the magnetic field are key ingredients in metamaterials. The top-down technology used so far employs noble metals with large intrinsic losses. Here we report on a bottom-up approach for processing metamaterials based on suspensions of monodisperse full dielectric silicon nanocavities with a large magnetic response in the near-infrared region. Experimental results and theory show that silicon-colloid-based liquid suspensions and photonic crystals made of two-dimensional arrays of particles have strong magnetic response in the near-infrared region with small optical losses. Our findings might have important implications in the bottom-up processing of large-area low-loss metamaterials working in the near-infrared region. © 2013 Macmillan Publishers Limited. All rights reserved. | URI: | http://hdl.handle.net/10261/94871 | DOI: | 10.1038/ncomms2934 | Identificadores: | doi: 10.1038/ncomms2934 e-issn: 2041-1723 |
Aparece en las colecciones: | (ICMM) Artículos |
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