Table 4. Magnetic Parameters of Ni-Cr Nanoparticles Sintered at Different Temperatures.
| samples | saturation magnetization (Ms) (emu/g) | remanence (Mr) (emu/g) | coercivity (Hc) (Oe) | squareness ratio (S = Mr/Ms) |
|---|---|---|---|---|
| NCFG-1 | 3.9235 | 1.08 | 709.53 | 0.2752 |
| NCFG-2 | 3.0198 | 0.79 | 872.77 | 0.2635 |
| NCFG-3 | 2.9088 | 1.06 | 903.78 | 0.3656 |
| NCFG-4 | 0.8505 | 0.26 | 2292.38 | 0.3057 |
| NCFP-1 | 3.0645 | 0.27 | 145.46 | 0.0881 |
| NCFP-2 | 2.8210 | 0.48 | 284.54 | 0.1714 |
| NCFP-3 | 3.4075 | 0.95 | 390.33 | 0.2795 |
| NCFP-4 | 1.5574 | 0.77 | 870.22 | 0.4944 |
| NCFU-1 | 3.9077 | 0.78 | 318.06 | 0.2004 |
| NCFU-2 | 3.1013 | 0.79 | 401.82 | 0.2567 |
| NCFU-3 | 3.5672 | 1.29 | 546.28 | 0.3616 |
| NCFU-4 | 0.8509 | 0.25 | 1156.79 | 0.2939 |