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Related Experiment Video

Updated: May 28, 2026

Synthesis, Characterization, and Functionalization of Hybrid Au/CdS and Au/ZnS Core/Shell Nanoparticles
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Ring-type plasmon resonance in metallic nanoshells.

Boris Apter1, Oren Guilatt, Uzi Efron

  • 1Department of Electrical Engineering, Holon Institute of Technology, Holon, Israel.

Applied Optics
|October 22, 2011
PubMed
Summary
This summary is machine-generated.

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A new theoretical model simplifies surface plasmon resonance in metal nanotubes. This model accurately predicts plasmon behavior using ring-type resonance, validated by simulations.

Area of Science:

  • Nanoscience
  • Theoretical Physics
  • Plasmonics

Background:

  • Surface plasmon resonance (SPR) is crucial for nanoscale optical phenomena.
  • Understanding SPR in two-dimensional (2D) nanostructures like metal nanotubes is complex.
  • Existing models often rely on approximations like the quasi-static approach.

Purpose of the Study:

  • To develop a simple, approximate theoretical model for SPR in 2D metal nanoshells (nanotubes).
  • To explain plasmon resonance as a self-interfering plasmonic wave phenomenon.
  • To validate the new model against established methods and simulations.

Main Methods:

  • Development of a theoretical model based on short-range surface plasmons in circular metal nanotubes.
  • Treating plasmon resonance as a ring-type resonance of a propagating plasmonic wave.

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Last Updated: May 28, 2026

Synthesis, Characterization, and Functionalization of Hybrid Au/CdS and Au/ZnS Core/Shell Nanoparticles
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Published on: March 2, 2016

Fabrication of Periodic Gold Nanocup Arrays Using Colloidal Lithography
08:21

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15:06

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Published on: January 3, 2016

  • Validation using detailed computer simulations employing the finite-difference time-domain (FDTD) method.

    • Main Results:

    • The proposed model successfully describes surface plasmon resonance in metal nanotubes.
    • Resonance occurs when plasmonic wavelengths match integer fractions of the nanotube's circumference.
    • The model shows full agreement with the plasmon hybridization model and FDTD simulations.

    Conclusions:

    • The developed theoretical model provides a simplified yet accurate approach to understanding SPR in 2D metal nanotubes.
    • This model offers a valuable tool for predicting and analyzing plasmonic behavior in such nanostructures.
    • The findings align with established plasmonics theories, reinforcing their validity.