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Optical Characterization of a Spheroidal Nanoparticle on a Substrate

Published online by Cambridge University Press:  21 February 2011

Carlos E. Román-Velázquez ,
Cecilia Noguez  and
Rubén G. Barrera
Carlos E. Román-Velázquez
Affiliation:
Instituto de Física, Universidad Nacional Autónoma de México, Apartado Postal 20-364, México, . F. 01000 MEXICO
Cecilia Noguez
Affiliation:
Instituto de Física, Universidad Nacional Autónoma de México, Apartado Postal 20-364, México, . F. 01000 MEXICO
Rubén G. Barrera
Affiliation:
Instituto de Física, Universidad Nacional Autónoma de México, Apartado Postal 20-364, México, . F. 01000 MEXICO
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Abstract

With the help of a spectral formalism recently formulated, we study the effects in the optical response of the material properties of a nanoparticle lying over a substrate. A spectral representation was formulated to calculate the optical response of spheroidal nanoparticles including multipolar effects. We present our results in terms of Differential Reflectance spectra that can be compared directly with measurements. We have found that multipolar contributions depend in the shape of the particle and type of substrate.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 581: Symposium F – Nanophase & Nanocomposite Materials II , 1999 , 485
Copyright
Copyright © Materials Research Society 2000

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References

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