Table 1 The comparison of EC characteristics of BaTiO3-based ferroelectric systems obtained from the indirect measurements.
Systems | TC (K) | Emax (kV/cm) | ΔT (K) | ΔT/ΔE (K mm/kV) | T span (K) | Pr (μC/cm2) |
|---|---|---|---|---|---|---|
BaTiO337 | 403 | 55 | 0.78 | 0.142 | 40 (ΔT ≈ 0.6 K) | ~ 12 |
0.98BaTiO3-0.02(BiMg1/2Ti1/2)O337 | 416 | 55 | 1.21 | 0.220 | 50 (ΔT ≈ 0.9 K) | ~ 9 |
Ba0.85Ca0.15Ti0.90Hf0.10O338 | 396 | 35 | 0.74 | 0.211 | 75 (ΔT ≈ 0.6 K) | ~ 7 |
Ba0.94Sm0.04TiO339 | 347 | 30 | 0.92 | 0.306 | 7 (ΔT ≈ 0.8 K) | ~ 9 |
BaTi0.885Sn0.105O340 | 303 | 20 | 0.61 | 0.305 | 27 (ΔT ≈ 0.5 K) | ~ 7 |
(Ba0.835Ca0.165)(Zr0.09Ti0.91)O341 | 404 | 12 | 0.46 | 0.38 | 15 (ΔT ≈ 0.4 K) | ~ 11 |
BaTi0.89Hf0.11O342 | 343 | 10 | 0.35 | 0.35 | 31 (ΔT ≈ 0.2 K) | ~ 6 |
0.9Ba(Ti0.89Sn0.11)O3-0.1(Ba0.7Ca0.3)TiO310 | 323 | 40 | 0.91 | 0.35 | 30 (ΔT ≈ 0.6 K) | ~ 8 |
(Ba0.85Sr0.15)(Sn0.05Ti0.95)O343 | 309 | 20 | 1.44 | 0.52 | NA* | ~ 4 |
Ba(Ti0.8Zr0.2)O3–(Ba0.7Ca0.3)TiO344 | 363 | 30 | 1.32 | 0.43 | 50 (ΔT ≈ 0.6 K) | ~ 9 |
0.98BaTiO3-0.02NaNbO345 | 350 | 200 | 3.6 | 0.18 | 35 (ΔT ≈ 3.2 K) | ~ 4 |
BBLT Present work (Dark) | 351 | 30 | 1.27 | 0.426 | 13 (ΔT ≈ 0.5 K) | ~ 15.8 |
BBLT Present work (Light) | 349 | 30 | 1.61 | 0.536 | 35 (ΔT ≈ 0.5 K) | ~ 8.3 |
