Table 1. Lattice parameters of o-SRO, o-CRO, c-BRO, and Ca- and Ba- co-doped SRO.
| parameters | o-SRO | o-CRO | c-BROa | x = 0.05 | x = 0.10 | x = 0.15 | x = 0.20 |
|---|---|---|---|---|---|---|---|
| space group | Pnma | Pnma | Pm-3m | Pnma | Pnma | Pnma | Pnma |
| RA (Å) | 1.44 | 1.34 | 1.61 | 1.12 | 1.44 | 1.44 | 1.44 |
| a (Å) | 5.53543 | 5.53298 | 4.0059 | 5.539 | 5.5395 | 5.5401 | 5.541 |
| b (Å) | 7.8504 | 7.66333 | 4.0059 | 7.8538 | 7.8509 | 7.8535 | 7.85 |
| c (Å) | 5.57108 | 5.3574 | 4.0059 | 5.5719 | 5.571 | 5.5696 | 5.5664 |
| ϕRu-O(1)-Ru (o) | 163.08 | 148.6 | 180 | 161.995 | 162.01 | 162.00 | 162.02 |
| ϕRu-O(2)-Ru (o) | 162.4 | 148.7 | 180 | 161.924 | 161.93 | 191.92 | 162.44 |
| χ2 | 2.3 | 3.1 | 2.5 | 1.769 | 1.535 | 1.647 | 1.56 |
adata from ref. 14.