Near and far field plasmonic properties of metallic alloy nanoparticles: effect of composition and size-dependent plasmon damping

Tania Mahata; Venkata Ramanaiah Dantham

doi:10.1117/12.2670054

11 May 2023 Near and far field plasmonic properties of metallic alloy nanoparticles: effect of composition and size-dependent plasmon damping

Tania Mahata, Venkata Ramanaiah Dantham

Author Affiliations +

Proceedings Volume 12638, Women in Optics and Photonics in India 2022; 126380W (2023) https://doi.org/10.1117/12.2670054
Event: Women in Optics and Photonics in India, 2022, Bangalore, India

Abstract

Herein, we report the theoretical investigation of two different types of Au-Ag alloy nanoparticles. In detail, the role of composition and localized surface plasmon damping due to the electron-surface scattering on the far field scattering spectra and near field or local electric field enhancement of the small Au-Ag alloy nanospheres and thin alloy nanoshells is studied with the help of analytical theory developed based on Bromwich formulism.

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Tania Mahata and Venkata Ramanaiah Dantham "Near and far field plasmonic properties of metallic alloy nanoparticles: effect of composition and size-dependent plasmon damping", Proc. SPIE 12638, Women in Optics and Photonics in India 2022, 126380W (11 May 2023); https://doi.org/10.1117/12.2670054

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