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X-ray diffraction positions (2θ) and the interplanar spacing values (d hkl) of the ND-Fe3O4 sample (red color line).
| 2θ | d (Å) | (hkl) | Phase (microstructure) |
|---|---|---|---|
| 30.09 | 2.96 | (220) | Magnetite (Fe3O4) |
| 35.49 | 2.51 | (311) | Magnetite (Fe3O4) |
| 43.58 | 2.068 | (111) | Cubic nanodiamond |
| 43.28 | 2.09 | (400) | Magnetite (Fe3O4) |
| 56.99 | 1.61 | (511) | Magnetite (Fe3O4) |
| 62.62 | 1.48 | (440), (214) | Magnetite + α-Fe2O3 |
| 74.02 | 1.28 | (533) | Magnetite (Fe3O4) |
| 74.63 | 1.267 | (220) | Cubic nanodiamond |
