Low Frequency Coherent Raman Scattering of Spherical Acoustical Vibrations of Three-Dimensional Self-Organized Germanium Nanocrystals (CROSBI ID 545142)
Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Ivanda, Mile ; Buljan, Maja ; Desnica, Uroš ; Furić, Krešimir ; Ristić, Davor ; G. C. Righini, M. Ferrari
engleski
Low Frequency Coherent Raman Scattering of Spherical Acoustical Vibrations of Three-Dimensional Self-Organized Germanium Nanocrystals
The Ge+SiO2 and SiO2 alternating multilayers are prepared by the magnetron sputtering of germanium and silica targets. By controlling the substrate temperature and by subsequent thermal annealing, the self-organized germanium quantum dots in 3D rombohedral (R 3 m) superlattice are produced. The polarized low-frequency Raman scattering measurements shows the coherent effects on the symmetric and quadrupolar spheroidal vibrations of Ge nanocrystals. It has been shown that the coherence effects are dependent on degree of Ge-ordering in the superlattice.
Coherent Raman scattering ; low frequency vibrational modes ; germanium
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Podaci o prilogu
127-131.
2008.
objavljeno
10.4028/www.scientific.net/AST.55.127
Podaci o matičnoj publikaciji
Advances in Science and Technology Volume 55 Smart Optics
Vincenzini, Pietro ; Righini, Giancarlo Cesare
Trans Tech Publications
3-908158-21-4
Podaci o skupu
CIMTEC 2008
predavanje
08.05.2008-13.05.2008
Acireale, Italija