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Size-independent low-frequency Raman scattering in Ge-nanocrystal-embedded SiO_2 films

โœ Scribed by Liu, L. Z.; Wu, X. L.; Gao, F.; Yang, Y. M.; Li, T. H.; Chu, Paul K.

Book ID
115433010
Publisher
Optical Society of America
Year
2010
Tongue
English
Weight
380 KB
Volume
35
Category
Article
ISSN
0146-9592

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Silicon nanocrystals (nc-Si) embedded in SiO 2 glassy mixture have been prepared on glass substrates and silicon and germanium wafers by r.f. co-sputtering and post-annealing in a vacuum. Using Raman spectrometry, photoluminescence and electrical conductivity measurements, we have investigated the s