Table 1. Properties of the common magnetic materials as particles or films used in the fabrication of magnetic microrobots. 1 emu is equivalent to 10-3 Am2.
| Material | Saturation magnetization | Remanent magnetization | Coercive field [mT] |
|---|---|---|---|
| FePt nanoparticles (this article) | 60 emu g-1 | 32 emu g-1 | 320 |
| FePt nanoparticles (Kadiri et al.)[21] | 0.7 emu mm“-3 | 0.65 emu mm-3 | 1500 |
| FePt nanoparticles (Shima et al.)[16c] | 1 emu mm-1 | 1 emu mm-1 | 3600 |
| NdFeB microparticles[26] | 1.1 emu mm"3 | 0.73 emu mm"3 | 700 |
| Cobalt film[27] | 0.76 emu mm-3 | 0.2 emu mm-3 | 22 |
| Nickel film | 55.1 emug-1[28] | 0.28-0.50 emu mm-3[29] | 0.2-29[24,29] |
| SPIONs[30] | 45 emu g-1 | 0 | 0 |