Absorption spectrum of metal-coated particles

Kiyoshi Kawamura; Kazunori Urata; Mikio Eto

doi:10.1142/S0218625X96000280

Absorption spectrum of metal-coated particles

Kiyoshi Kawamura, Kazunori Urata, Mikio Eto

Department of Physics

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

A theory for the absorption spectrum of light by a metal-coated insulating particle suspended in another insulating medium is described. Electromagnetism of dielectric media is employed to evaluate the strength of a local electric field and electric polarizability is evaluated by using the Kubo formula. The computed absorbance spectrum agrees well with that experimentally observed. Dependence of the absorbance on various combinations of physical parameters for each substance is also presented.

Original language	English
Pages (from-to)	137-141
Number of pages	5
Journal	Surface Review and Letters
Volume	3
Issue number	1
DOIs	https://doi.org/10.1142/S0218625X96000280
Publication status	Published - 1996 Feb

ASJC Scopus subject areas

Condensed Matter Physics
Surfaces and Interfaces
Surfaces, Coatings and Films
Materials Chemistry

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abstract = "A theory for the absorption spectrum of light by a metal-coated insulating particle suspended in another insulating medium is described. Electromagnetism of dielectric media is employed to evaluate the strength of a local electric field and electric polarizability is evaluated by using the Kubo formula. The computed absorbance spectrum agrees well with that experimentally observed. Dependence of the absorbance on various combinations of physical parameters for each substance is also presented.",

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