Estimated crystal size using the Scherrer equation, crystallite strain using the W–H and (SSPM) equation.
| SM | UDM | USDM | UDEDM | SSPM | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D (nm) | D (nm) | ε | D (nm) | σ (MPa) | ε | D (nm) | U | ε | σ (MPa) | D (nm) | ε | |
| ZnO | 46 | 39 (1) | −4.07 × 10−4 (1) | 39 (1) | −48.15 (4) | −4.07 × 10−4 (2) | 39 (1) | −9.95 (3) | 1.29 × 10−5 (3) | 1.52 (3) | 136 (1) | −3.38 × 10−4 (2) |
| Pr0.01Zn0.97O | 23 | 20 (1) | −7.97 × 10−4 (1) | 20 (1) | −94.24 (4) | −7.97 × 10−4 (2) | 20 (1) | −13.92 (4) | 1.53 × 10−5 (3) | 1.80 (3) | 70 (1) | −6.60 × 10−4 (3) |