Table 2. Coercivity and Remanence at Different Temperatures for B-Magnetite.
| B-magnetite | ||
|---|---|---|
| temperature (K) | Hc (Oe) | Mr (emu/g) |
| 10 | 16 (2) | 3.7 (6) |
| 100 | 7 (1) | 1.5 (2) |
| 300 | 1.1 (2) | 0.19 (3) |
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