Table 1 Comparison between the calculated and experimental Poisson's ratio for 120-nm-thick (Ba,Sr)TiO3 films with Ba/Sr ratio of 48/52 and 47/53, respectively
Ba/Sr = 48/52 | ||||||
|---|---|---|---|---|---|---|
|  | ε0/σ0 | εz/σ0 | −εz/ε0 | |||
|  | Calc. (10−12 m2/N) | Calc. | Meas. (at 338°C) | Meas. (at 402°C) | Meas. (at 431°C) | |
[002] | 4.076 | −3.476 | 0.853 | 0.947 | 0.947 | 0.947 |
[110] | 3.254 | −1.832 | 0.563 | 0.531 | 0.531 | 0.531 |
[111] | 2.980 | −1.284 | 0.431 | 0.344 | 0.344 | 0.344 |
Ba/Sr = 47/53 | |||||
|---|---|---|---|---|---|
|  | ε0/σ0 | εz/σ0 | −εz/ε0 | ||
|  | Calc. (10−12 m2/N) | Calc. | Meas. (at 462°C) | Meas. (at 505°C) | |
[002] | 4.047 | −3.439 | 0.850 | 0.942 | 0.942 |
[110] | 3.240 | −1.824 | 0.563 | 0.454 | 0.454 |
[111] | 2.971 | −1.286 | 0.433 | 0.342 | 0.342 |
