Figure 2.

Raman spectra from samples A and B. The calculated Raman spectra are indicated by solid line curves and the experimental data are plotted as discrete points. Phonon confinement model has been used to fit the experimental data in (a) and (c) whereas Eq.1is used to fit the data in the (b) and (d)

Kumar et al. Nanoscale Research Letters 2008 3:105-108   doi:10.1007/s11671-008-9120-x