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Tents, Chairs, Tacos, Kites, and Rods: Shapes and Plasmonic Properties of Singly Twinned Magnesium Nanoparticles by Asselin, Jérémie; Boukouvala, Christina; Hopper, Elizabeth R.; Ramasse, Quentin M.; Biggins, John S.; Ringe, Emilie is a Engineering article available to read on EtoBox.
What is Tents, Chairs, Tacos, Kites, and Rods: Shapes and Plasmonic Properties of Singly Twinned Magnesium Nanoparticles about?
Nanostructures of some metals can sustain light-driven electron oscillations called localized surface plasmon resonances, or LSPRs, that give rise to absorption, scattering, and local electric field enhancement. Their resonant frequency is dictated by the nanoparticle (NP) shape and size, fueling much research geared toward discovery and control of new structures. LSPR properties also depend on composition; traditional, rare, and expensive noble metals (Ag, Au) are increasingly eclipsed by earth-abundant alternatives, with Mg being an exciting candidate capable of sustaining resonances across the ultraviolet, visible, and near-infrared spectral ranges. Here, we report numerical predictions and experimental verifications of a set of shapes based on Mg NPs displaying various twinning patterns including (101̅1), (101̅2), (101̅3), and (112̅1), that create tent-, chair-, taco-, and kite-shaped NPs, respectively. These are strikingly different from what is obtained for typical plasmonic metals because Mg crystallizes in a hexagonal close packed structure, as opposed to the cubic Al, Cu, Ag, and Au. A numerical survey of the optical response of the various structures, as well as the effec
Who reads Tents, Chairs, Tacos, Kites, and Rods: Shapes and Plasmonic Properties of Singly Twinned Magnesium Nanoparticles?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Asselin, Jérémie; Boukouvala, Christina; Hopper, Elizabeth R.; Ramasse, Quentin M.; Biggins, John S.; Ringe, Emilie
- Publisher
- American Chemical Society; American Chemical Society (ACS) (ISSN 1936-0851)
- Published
- 2020
- Language
- EN
- Field
- Engineering (Physical Sciences)