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Effect of Tamm surface states on hot electron generation and Landau damping in nanostructures metal-semiconductor

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posted on 2023-01-12, 15:27 authored by Alexander V. Uskov, Igor V. Smetanin, Igor E. Protsenko, Morten Willatzen, Nikolay V. Nikonorov
The hot electron generation in plasmonic nanoparticles is the key to efficient plasmonic photocatalysis. In the paper, we study theoretically for the first time the effect of Tamm states (TSs) at the interface metal-semiconductor on hot electron generation and Landau damping (LD) in metal nanoparticles. TSs can lead to resonant hot electron generation and to the LD rate enhanced by several times. The resonant hot electron generation is reinforced by the transition absorption due to the jump of the permittivity at the metal-semiconductor interface.

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