Table 1: Actual Crystal Size L, (Mean) Peak-Position ω and -Width Г Considered in Figs. (1, 2).Гand A_R Stand for the Retrieved Effective Linewidth and Phonon Curve Parameters Obtained by Using a Standard Levenberg-Marquardt Fitting Procedure

L (nm)	cm1	cm1	Г(cm-1)	AR(cm-1)
28	143.8	9	9	23.3
19.2	144.2	11.5	11.5	21.3
16.3	145.6	12.9	12.5	34
8.4	147	16.2	14.5	18
7.9	148.4	18	15.7	23.3
7.6*	148.6	22.4	18.5	22.5
7.5	149.6	20.3	17	27
6.8	150	21.5	18	23.5
6.6	150.4	23.2	19.3	24
6.4*	150	24	19	20.8
6.2*	152.2	27	20.5*	26.6