Abstract
The nonequilibrium carrier dynamics in Ag nanoparticles was explored by femtosecond optical pump-probe spectroscopy. Metal-dielectric nanocomposite materials containing Ag nanoparticles of different sizes were prepared by thermal treatment of aluminophosphate glasses. The ultrafast relaxation dynamics of the electron scattering on the 10-13-10-12 sec scale shows size- and pump power-dependent properties. The two-photon absorption process in nanoparticles of different sizes is discussed. The laser-induced coherent vibrations of nanoparticles were observed in transient transmission experiments.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 1715-1721 |
| Number of pages | 7 |
| Journal | Journal of Electronic Materials |
| Volume | 35 |
| Issue number | 9 |
| DOIs | |
| State | Published - Sep 2006 |
| Externally published | Yes |
Keywords
- Aluminophosphate glass
- Pump-probe spectroscopy
- Silver nanoparticles (NPs)
- Surface plasmon resonance
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Electrical and Electronic Engineering
- Materials Chemistry
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