Relative intensity ratios% of samples with different molar ratios.
| Sample | Oxides | Peaks | Peak intensity | Relative intensity ratios% |
|---|---|---|---|---|
| ZNC-(1 : 1 : 1) | ZnO | (101) | 41.98 | 39.62 |
| NiO | (200) | 40.71 | 38.42 | |
| CuO | (111) | 23.27 | 21.96 | |
| ZNC-(2 : 1 : 1) | ZnO | (101) | 96.22 | 58.99 |
| NiO | (200) | 39.90 | 24.46 | |
| CuO | (111) | 26.99 | 16.55 | |
| ZNC-(1 : 2 : 1) | ZnO | (101) | 33.02 | 34.27 |
| NiO | (200) | 48.35 | 50.17 | |
| CuO | (111) | 14.99 | 15.56 | |
| ZNC-(1 : 1 : 2) | ZnO | (101) | 37.83 | 28.19 |
| NiO | (200) | 47.67 | 35.53 | |
| CuO | (111) | 48.65 | 36.26 |