Optical properties of metal nanoparticles with no center of inversion symmetry: Observation of volume plasmons

Maxim Sukharev*, Jiha Sung, Kenneth G. Spears, Tamar Seideman

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

We present theoretical and experimental studies of the optical response of L-shaped silver nanoparticles. The scattering spectrum exhibits several plasmon resonances that depend sensitively on the polarization of the incident electromagnetic field. The physical origin of the resonances is traced to different plasmon phenomena. In particular, a high energy band with unusual properties is interpreted in terms of volume plasmon oscillations arising from the asymmetry of a nanoparticle.

Original languageEnglish (US)
Article number184302
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume76
Issue number18
DOIs
StatePublished - Nov 13 2007

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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