This short review paper describes how earth-abundant plasmonic nanoparticle (specifically Magnesium, Aluminium and Sodium nanoparticles), which have not been given much attention possess advantages over conventional plasmonic particles, and can be used to achieve efficient upconversion luminescence – the enhancement of low energy excitations - due to their availability and stability. They can be used to achieve high upconversion luminescence efficiency by coupling their plasmonic resonances with the upconversion particles due to their localized field enhancement effect. Copper nanoparticles just like any other plasmonic nanoparticles can be used for Metal Enhanced Fluorescence. A major advantage of Earth abundant nanoparticles is that they are more stable and readily available to be used in industrial applications for example in photovoltaic cells.
This review paper covers aspects of spin waves excitation and propagation as magnons (a quasiparticle of excited spin waves analogous to phonons and plasmons which are also quasiparticles of quanta of vibrational waves and electromagnetic waves propagating along a metal surface respectively) how they can be biologically engineered for applications and probing the biogenic magnonic nanoparticle using lab-scale spin and angular resolved photoemission spectroscopy to obtain more details on spin waves.
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