Table 1.

Peak positions and linewidths (full width at half maximum) for the confined acoustic phonon bands, in cm⁻¹.

Size	Experimental		PCM
	Position	FWHM	Position	FWHM
12 nm	11.7	11.4	9.9	21.8
9.0 nm	12.6	16.1	13.3	26.3
5.6 nm	26.2	22.3	23.1	31.1
4.6 nm	32.6	20.8	29.5	38.2