COMPARATIVE ANALYSIS OF THE INFLUENCE OF SURFACE QUANTUM EFFECTS ON THE OPTICAL CHARACTERISTICS OF NANOPARTICLES OF ALKALI AND NOBLE METALS

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详细

Based on the discrete element method, a mathematical model has been built making it possible to carry out a comparative analysis of the influence of volume and surface quantum effects on the optical properties of alkali and noble metal nanoparticles located in a dense external environment. A significant difference in the manifestations of volume and surface quantum effects in alkali metal nanoparticles has been detected. In particular, in such particles plasmon resonance in the case of volume quantum effect shifts to the shortwave region (blue shift) while the surface effect leads to a shift to the longwave region (red shift). It is shown that this shift significantly depends on the density of the environment and can reach 50 nm in the spectral region.

作者简介

Yu. Eremin

Lomonosov MSU

Email: eremin@cs.msu.ru
Moscow

V. Lopushenko

Lomonosov MSU

Email: lopushnk@cs.msu.ru
Moscow

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