Table 2.
Saturation magnetization (Ms), remanent magnetization (Mr), coercivity (Hc), magnetic moments per unit cell (nB), and anisotropy (K) of CFO, ZCFO, NCFO, and CCFO annealed at 400, 700, and 1000 °C.
| Sample | Ms (emu/g) | Mr(emu/g) | Hc (Oe) | nB | K·103 (erg/cm3) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 400 | 700 | 1000 | 400 | 700 | 1000 | 400 | 700 | 1000 | 400 | 700 | 1000 | 400 | 700 | 1000 | |
| CFO | 14.8 | 22.4 | 28.7 | 2.6 | 4.7 | 12.1 | 400 | 880 | 1580 | 0.62 | 0.94 | 1.20 | 0.37 | 1.24 | 2.85 |
| ZCFO | 10.1 | 24.1 | 33.5 | 0.8 | 5.0 | 10.8 | 200 | 220 | 370 | 0.42 | 1.01 | 1.40 | 0.13 | 0.33 | 0.78 |
| NCFO | 9.65 | 18.2 | 25.2 | 1.4 | 3.2 | 9.5 | 360 | 540 | 900 | 0.40 | 0.76 | 1.05 | 0.22 | 0.62 | 1.42 |
| CCFO | 7.7 | 17.3 | 26.3 | 0.1 | 0.6 | 9.7 | 120 | 170 | 530 | 0.32 | 0.73 | 1.10 | 0.06 | 0.19 | 0.88 |