Raman spectra measured for samples deposited with rHequal to 10%, 30%, and 50%. To compare, a reference spectrum of bulk Si is also shown. The spectra have been upshifted for clarity reasons. The inset shows fit of the phonon confinement model to the spectrum measured for rH = 50% sample.
Zatryb et al. Nanoscale Research Letters 2013 8:40 doi:10.1186/1556-276X-8-40