Magnetic data of α-Fe2O3 materials at 300 K.
| Samples | M m/emu g−1 | H c/Oe | M r/emu g−1 |
|---|---|---|---|
| α-Fe2O3-1 | 1.37 | 2997 | 0.26 |
| α-Fe2O3-2 | 1.30 | 2749 | 0.22 |
| Micro-pine dendrites14 | — | 1510 | — |
| Dendrites37 | 0.43 | 224 | 0.05 |
| Dendrites38 | — | 1610 | — |
| Snowflakes39 | 2.66 | 134 | 0.67 |
| Dendritic micro-crystal40 | 1.05 | 163 | — |
| Dendrites41 | 2.53 | 157 | 0.20 |
| Single-layered snowflakes41 | 1.38 | 239 | 0.12 |
| Double-layered snowflakes41 | 0.83 | 436 | 0.24 |
| Hyperbranched dendrites42 | 0.48 | 1364 | 0.17 |
| Primary and secondary branched dendrites42 | 0.46 | 1108 | 0.16 |
| Primary branched dendrites42 | 0.44 | 1104 | 0.17 |
| Slightly branched dendrites42 | 0.48 | 1102 | 0.13 |