| Sample | a (Å) | c (Å) | Lattice | Space group | Crystallite size (nm) from XRD | Particle size (nm) from TEM |
| ST | 3.899 | 3.899 | Cubic | Pm-3m | 24 - 29 | - |
| BST5 | 3.956 | 3.956 | Cubic | Pm-3m | 23 - 28 | 70 |
| BST6 | 3.969 | 3.969 | Cubic | Pm-3m | 24 - 90 | 95 |
| BST7 | 3.982 | 3.983 | Tetragonal | P4mm | 25 - 38 | - |
| BST8 | 3.989 | 3.995 | Tetragonal | P4mm | 21 - 26 | 40 |
| BST9 | 3.994 | 4.008 | Tetragonal | P4mm | 21 - 45 | - |
| BT | 3.9999 | 4.017 | Tetragonal | P4mm | 29 - 89 | - |