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Ultrafast electron dynamics in germanium nanoparticles

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7 Author(s)
Stagira, S. ; Dipt. di Fisica, Politecnico di Milano, Italy ; Nisoli, M. ; De Silvestri, S. ; Stella, A.
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Summary form only given. We report on a detailed analysis of the ultrafast electron relaxation in Ge nanoparticles. The experiments have been performed on Ge nanocrystals with radii in the range 4-16 nm embedded in a dielectric material. Transient measurements were performed by pump-probe technique. The differential transmission spectra of nanoparticles at three pump energies are shown. The experimental results are described using a model based on Ge bulk band structure.

Published in:

Quantum Electronics Conference, 2000. Conference Digest. 2000 International

Date of Conference:

10-15 Sept. 2000