Surface enhanced Raman scattering of silver sensitized cobalt nanoparticles in metal-dielectric nanocomposites.

@article{Margueritat2008SurfaceER,
  title={Surface enhanced Raman scattering of silver sensitized cobalt nanoparticles in metal-dielectric nanocomposites.},
  author={J. Margueritat and J. Gonzalo and C. Afonso and U. H{\"o}rmann and G. Van Tendeloo and A. Mlayah and D. Murray and L. Saviot and Y. Zhou and M. Hong and B. Luk'yanchuk},
  journal={Nanotechnology},
  year={2008},
  volume={19 37},
  pages={
          375701
        }
}
We report the preparation of a new type of nanocomposite containing cobalt and silver nanoparticles organized in parallel layers with a well controlled separation. This arrangement allows the observation of an enhanced low-frequency Raman signal at the vibration frequency of cobalt nanoparticles excited through the surface plasmons of silver nanoparticles. Numerical simulations of the electric field confirm the emergence of hot spots when the separation between silver and cobalt nanoparticles… Expand
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