Raman scattering by electron-hole excitations in silver nanocrystals

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Raman scattering experiments from silver nanocrystals embedded in films of amorphous silica are reported. In addition to the low-frequency peak due to vibrational quadrupolar modes, a broadband is observed in the high-frequency range, with a maximum at about 1000 $cm^{-1}$. The linear dependence of the position of this maximum on the inverse cluster radius is in agreement with the Raman scattering by single or collective electron-hole excitations.
7 pages, 3 figures. To be pub.in PRB

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Condensed Matter

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http://salesiana.dossiersoluciones.com/handle/123456789/17313

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0101471
 http://arxiv.org/abs/cond-mat/0101471
 Phys. Rev. B 63, 233402-233405, 2001
 doi:10.1103/PhysRevB.63.233402

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arXiv