Ultrafast generation of optical and acoustic phonons in nanocrystallites

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We report on the impulsive generation of optical and acoustic phonons in CdTe0.68Se0.32 nanocrystallites embedded in glass, at room temperature. Using ultrafast laser pulses in a pump-probe configuration, we were able to generate coherent vibrations. The energy of our laser was tuned to the absorpti...

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Detalles Bibliográficos
Autores principales: Bragas, A.V., Aku-Leh, C., Merlin, R.
Formato: CONF
Materias:
Coherent phonon
Confined acoustic phonon
Laser pulse
Semiconductor quantum dot
Stimulated Raman
Excitons
Frequencies
Laser pulses
Nanostructured materials
Raman scattering
Semiconductor quantum dots
Spectrum analysis
Coherent phonons
Confined acoustic phonons
Ultrafast phonons
Phonons
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_0277786X_v5725_n_p126_Bragas
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

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