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Communication Dans Un Congrès Année : 2022

Design of Si-based particles for infrared-active metamaterials

Résumé

We report the synthesis and self-assembly of Si@SiOxNy core-shell particles, scattering infrared light. They were produced by decomposing a Si coordination complex alongside cyclohexasilane, under supercritical conditions. Core and shell dimensions were controlled through precursor stoichiometry and relative concentration. The electric and magnetic multipoles were characterized using a custom-built static light scattering spectrometer. Simulations show that the magnetic and electric responses are respectively located in the core and shell. The particles were self-assembled into metasurfaces and optically characterized using ellipsometry.

Domaines

Matériaux
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Dates et versions

hal-04279930 , version 1 (10-11-2023)

Identifiants

  • HAL Id : hal-04279930 , version 1

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Cynthia Cibaka-Ndaya, Megan A. Parker, Lucien Roach, Maria Letizia De marco, Brian A Korgel, et al.. Design of Si-based particles for infrared-active metamaterials. 12th International Conference on Metamaterials, Photonic Crystals and Plasmonics (META 2022), Jul 2022, Torremolinos, Spain. ⟨hal-04279930⟩
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