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| Preparation method | LaMnO3 phase purity a (%) | Crystallite size a (nm) | Surface area (m2 g–1) |
| SAS precipitation | 100 | 18 | 32 |
| Flame spray pyrolysis | 90 | 40 | 15 |
| Mechanochemical | 95 | 25 | 1 |
aDetermined from XRD analysis.
