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Scattering of electromagnetic radiation by a metal nanoparticle

Abstract

The scattering cross section of electromagnetic radiation by a small spherical metal particle has been calculated in the framework of the standard kinetic theory in a dipole approximation. The calculation has been performed for relatively small (∼10 nm) particles, which allows the skin effect to be ignored. A mechanism of mixed specular-diffuse reflection of conduction electrons from the particle surface is considered. It is established that, at certain angles of scattering, the mechanism of magnetic-dipole scattering becomes dominating. The influence of kinetic effects on the differential scattering cross section is analyzed.

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Correspondence to I. A. Kuznetsova.

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Original Russian Text © I.A. Kuznetsova, M.E. Lebedev, A.A. Yushkanov, 2014, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2014, Vol. 40, No. 8, pp. 70–79.

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Kuznetsova, I.A., Lebedev, M.E. & Yushkanov, A.A. Scattering of electromagnetic radiation by a metal nanoparticle. Tech. Phys. Lett. 40, 353–356 (2014). https://doi.org/10.1134/S106378501404021X

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Keywords

  • Electromagnetic Radiation
  • Differential Cross Section
  • Technical Physic Letter
  • Scattering Cross Section
  • Differential Scattering Cross Section