Table 1: Variation of CSs, lattice parameters, and unit cell volumes of samples with different Sr concentrations.

Sr concentration ( )a b c Volume of unit cell ( )3Crystalline size (CS) (nm)

0.405.4895.4677.703229.29319
0.505.4945.4527.662229.50218
0.555.4945.4677.667230.28317
0.605.4875.4857.672230.89815