Table 1. Average Crystallite Size.

samples	average crystallite size (nm)
S1	21.78 ± 0.31
S2	17.21 ± 0.28
S3	18.06 ± 0.23
S4	16.27 ± 0.19
S5	16.83 ± 0.26
S6	17.59 ± 0.35