Table 3 Few Selected bond distances and bond angles in BO6 octahedra (Ti–O–Ti) for all BBTO ceramics.
BBTO-PC | BBTO-La | BBTO-Pr | BBTO-Nd | BBTO-Sm |
|---|---|---|---|---|
Bond distance (Å) | ||||
(Ti1–O1) = 1.9158 | (Ti1–O1) = 1.8770 | (O1–Ti1) = 2.10875 | (O1–Ti1) = 2.1078 | (O1–Ti1) = 2.10703 |
(O2–Ti1) = 2.0048 | (Ti1–O2) = 2.0056 | (O2–Ti1) = 1.87524 | (O2–Ti1) = 1.8766 | (O2–Ti1) = 2.00474 |
(O3–Ti1) = 2.0359 | (Ti1–O3) = 2.0369 | (O3–Ti1) = 2.03502 | (O3–Ti1) = 2.0364 | (O3–Ti1) = 1.91548 |
(Ti1–O4) = 1.8829 | (Ti1–O4) = 1.8814 | (Ti1–O4) = 2.03502 | (O4–Ti1) = 2.0051 | (O4–Ti1) = 2.00474 |
(Ti1–O5) = 1.9816 | (Ti2–O5) = 1.9617 | O5–Ti1) = 1.88285 | (O5–Ti1) = 1.8820 | (O5–Ti1) = 1.88129 |
(Ti1–O6) = 2.0023 | (Ti2–O6) = 1.9949 | (O6–Ti1) = 1.91450 | (O6–Ti1) = 2.1078 | (O6–Ti1) = 2.03625 |
Bond angle (\(^\circ\)) | ||||
Ti1–O1–Ti1 = 165.55 | Ti1–O1–Ti1 = 168.21 | Ti1–O1–Ti1 = 168.53 | (Ti1–O1–Ti1) = 171.17 | (Ti1–O1–Ti1) = 171.22 |
Ti1–O3–Ti1 = 158.837 | Ti1–O3–Ti1 = 155.63 | Ti1–O3–Ti1 = 156.84 | (Ti1–O3–Ti1) = 159.48 | (Ti1–O3–Ti1) = 161.48 |
O2–Ti1–O3 = 169.493 | O2–Ti1–O3 = 169.50 | O2–Ti1–O3 = 168.818 | (O2–Ti2–O3) = 165.17 | (O2–Ti2–O3) = 168.21 |
O6–Ti2–O7 = 158.130 | O6–Ti2–O7 = 155.18 | O6–Ti2–O7 = 155.160 | (O7–Ti1–O6) = 158.19 | (O7–Ti1–O6) = 161.29 |
Ti2–O6–Ti2 = 156.121 | Ti2–O6–Ti2 = 158.12 | Ti2–O6–Ti2 = 158.139 | (Ti2–O6–Ti2) = 159.23 | (Ti2–O6–Ti2) = 160.12 |
Titling angle | Titling angle | Titling angle | Titling angle | Titling angle |
(O2–O2–O3) = 10.345 | (O2–O2–O3) = 8.46 | (O2–O2–O3) = 8.282 | (O2–O2–O3) = 7.451 | O2–O2–O3 = 7.1804 |
