Energy dissipation from vibrating gold nanoparticle strongly influenced by surrounding environment

Metal nanoparticles could play a key role in next-generation light detectors, optical circuits, and cancer therapies. For these future technologies to be realized, it is important to understand what happens when nanoparticles are caused to undergo vibrations, and the consequent scattering of light that can occur due to oscillations, or surface plasmons, in their free electron cloud. However, little is known about exactly how these vibrations are affected by the nanoparticle’s immediate surroundings — in particular, how the environment affects the dissipation of energy from a nanoparticle when it vibrates.

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