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| MnxZn1−xCo2O4 | Oxidation states ratios obtained from XPS | |
|---|---|---|
| Co3+/Co2+ | Mn3+/Mn2+ | |
| x = 0.3 | 5.25 | 0.82 |
| x = 0.5 | 4.55 | 0.82 |
| x = 0.7 | 3.87 | 0.82 |
| x = 1 | 3.17 | 0.82 |
