Resonant Raman scattering by breathing modes of metal nanoparticles
- 22 August 2001
- journal article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 115 (8) , 3444-3447
- https://doi.org/10.1063/1.1396817
Abstract
Low-frequency Raman scattering experiments have been performed on metal nanoparticles embedded in two different thermally treated matrices. In addition to the well-known Raman scattering by the nanoparticle quadrupolar vibrational mode, the spectra measured in the 3–40 cm−1 frequency range exhibit several new bands. They are ascribed to resonant scattering by the nanoparticle breathing mode and its harmonics, in very good agreement with time-resolved measurements.Keywords
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