Multiscale Supercrystal Meta-atoms

Meta-atoms are the building blocks of metamaterials, which are employed to control both generation and propagation of light as well as provide novel functionalities of localization and directivity of electromagnetic radiation. In many cases, simple dielectric or metallic resonators are employed as m...

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Bibliographic Details
Published inNano letters Vol. 24; no. 9; pp. 2758 - 2764
Main Authors Tonkaev, Pavel, Grechaninova, Evgeniia, Iorsh, Ivan, Montanarella, Federico, Kivshar, Yuri, Kovalenko, Maksym V., Makarov, Sergey
Format Journal Article
LanguageEnglish
Published United States American Chemical Society 06.03.2024
Subjects
Mie resonances
exciton-polaritons
supercrystals
Halide perovskites
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Summary:Meta-atoms are the building blocks of metamaterials, which are employed to control both generation and propagation of light as well as provide novel functionalities of localization and directivity of electromagnetic radiation. In many cases, simple dielectric or metallic resonators are employed as meta-atoms to create different types of electromagnetic metamaterials. Here, we fabricate and study supercrystal meta-atoms composed of coupled perovskite quantum dots. We reveal that these multiscale structures exhibit specific emission properties, such as spectrum splitting and polaritonic effects. We believe that such multiscale supercrystal meta-atoms will provide novel functionalities in the design of many novel types of active metamaterials and metasurfaces.
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ISSN:1530-6984
1530-6992
DOI:10.1021/acs.nanolett.3c04580