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Identification of local silicon cluster nanostructures inside Si(x)Ge(1-x) alloy nanocrystals by Raman spectroscopy
1Nanjing National Laboratory of Microstructures and Department of Physics, Nanjing University, Nanjing 210093, PR China.
Chemical Communications (Cambridge, England)
|June 26, 2010
Abstract:
By experimentally examining and theoretically analyzing the Raman spectra of Si(x)Ge(1-x) nanocrystal-embedded silica films, we show that the 430 cm(-1) Si-Si optical phonon mode can be used as a fingerprint to identify the existence of local silicon cluster nanostructures inside Si(x)Ge(1-x) nanocrystals with high silicon content.
