Table 2. Crystallographic data and composition for Ar-containing MAPbI3 in the 0–2.4 GPa pressure range.
| ArxMAPbI3 | ArxMAPbI3 | |
|---|---|---|
| P (GPa) | 0.18 → 0.49 → 0.98 | 1.34 → 2.10 → 2.39 |
| Crystal system | Tetragonal | Orthorhombic |
| Space group | P42 bc | Immm |
| a (Å) | 8.850 (5) → 8.7468 (15) → 8.7222 (15) | 12.1294 (12) → 12.0192 (10) →11.900 (11) |
| b (Å) | = a | 12.1415 (12) → 12.0195 (10) → 11.990 (1) |
| c (Å) | 12.520 (5) → 12.398 (10) → 11.9979 (15) | 12.1734 (15) → 12.0213 (10) → 11.920 (1) |
| x in Arx | 0.76 (1) → 1.00 (1) → 1.34 (1) | 1.40 (1) → 1.78 (1) → 1.75 (1) |