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December 9, 2025American Journal of Optics and PhotonicsOpen Access

On the Kerr Effect and Optical Bistability of Graphene Based Spherical ZnO@Ag Core-Shell Nanocomposite

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Authors

GBGashaw Beyene

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Overview

Numerical study reveals enhanced optical bistability in graphene-wrapped ZnO@Ag core-shell nanocomposite, suggesting potential for plasmonic applications.

Key Points

  • Investigate the optical response of a graphene-based ZnO@Ag core-shell nanocomposite.
  • Analyzed the optical properties using a quasi-static approximation framework.
  • Examined the impact of the dielectric function, volume fraction, and graphene’s Fermi energy.
  • Studied the characteristics of the spherical core-shell structure.
  • Achieved strong nonlinear optical response in the visible spectral region.
  • Identified low bistability threshold by adjusting key parameters.
  • Found that graphene's incorporation enhances nonlinear effects in the nanocomposite.

Cite This Study

Gashaw Beyene (2025) studied this question.

synapsesocial.com/papers/69401efa2d562116f28f9843https://doi.org/10.11648/j.ajop.20251302.11
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