The magnetic parameters of (Gd, Co) co-doped ZnO magnetic NTs.
| Sample | Remanent magnetization (Mr) (×10−2 emu g−1) | Coercive field (Oe) | Saturation magnetization (Ms) (×10−2 emu g−1) |
|---|---|---|---|
| Zn0.96Gd0.04O | 0.3367 | 50 | 0.52 |
| Zn0.96Gd0.04Co0.01O | 0.4413 | 68 | 1.97 |
| Zn0.93Gd0.04Co0.03O | 0.5788 | 83 | 2.67 |
| Zn0.92Gd0.04Co0.04O | 0.4538 | 53 | 1.52 |