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Titolo: Phonon characterization of nano-crystals by Raman spectroscopy
Autori: 
Data di pubblicazione: 2008
Rivista: 
CHEMICAL PHYSICS LETTERS  
Abstract: Proposed herein is a method based on the Levenberg–Marquadt technique to retrieve an approximated average phonon dispersion curve from Raman spectra of nano-sized crystals. To this end we deal with a modified form of the well-known phonon confinement model in which the intrinsic linewidth C0 is replaced by an effective linewidth C. An application to experimental results obtained on TiO2 nano-crystals is presented as a test of the method.
Handle: http://hdl.handle.net/11584/107951
Tipologia:1.1 Articolo in rivista

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