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Low Frequency Coherent Raman Scattering of Spherical Acoustical Vibrations of Three-Dimensional Self-Organized Germanium Nanocrystals


Ivanda, Mile; Buljan, Maja; Desnica, Uroš; Furić, Krešimir; Ristić, Davor; G. C. Righini, M. Ferrari
Low Frequency Coherent Raman Scattering of Spherical Acoustical Vibrations of Three-Dimensional Self-Organized Germanium Nanocrystals // Advances in Science and Technology Volume 55 Smart Optics / Vincenzini Pietro ; Righini, Giancarlo Cesare (ur.).
Switzerland: Trans Tech Publications, 2008. str. 127-131 (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)


Naslov
Low Frequency Coherent Raman Scattering of Spherical Acoustical Vibrations of Three-Dimensional Self-Organized Germanium Nanocrystals

Autori
Ivanda, Mile ; Buljan, Maja ; Desnica, Uroš ; Furić, Krešimir ; Ristić, Davor ; G. C. Righini, M. Ferrari

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Advances in Science and Technology Volume 55 Smart Optics / Vincenzini Pietro ; Righini, Giancarlo Cesare - Switzerland : Trans Tech Publications, 2008, 127-131

ISBN
3-908158-21-4

Skup
CIMTEC 2008

Mjesto i datum
Acireale, Italija, 8-13.6.2008

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Coherent Raman scattering; low frequency vibrational modes; germanium

Sažetak
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.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekt / tema
098-0982886-2866 - Temeljna svojstva nanostruktura i defekata u poluvodičima i dielektricima (Branko Pivac, )
098-0982886-2897 - Poluvodički materijali za optoelektroniku i nanotehnologiju (Branko Šantić, )
098-0982904-2898 - Fizika i primjena nanostruktura i volumne tvari (Mile Ivanda, )

Ustanove
Institut "Ruđer Bošković", Zagreb