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Correlation between low-frequency Raman spectra and the structure of aerogels

✍ Scribed by A. Chougrani; J.L. Sauvajol; M. Foret; R. Vacher; J. Pelous


Book ID
117147305
Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
160 KB
Volume
145
Category
Article
ISSN
0022-3093

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Low Frequency Raman Spectra of Silica Ae
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Silica aerogel samples with double fractal structure were synthesized. The samples were sintered at 1000 C in different time intervals. In low frequency Raman spectra of the sintered samples, we observed two fractons caused by localization of vibration on clusters of two fractal substructures. Durin