Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
| Samples | CTAB% | H FORC (Oe) | H u (Oe) | M r/Ms | |
|---|---|---|---|---|---|
| Uncalcinated (Fe3O4) | S2 | 1.5 | 40 | 161 | 0.047 |
| S3 | 3 | 132 | 295 | 0.118 | |
| S4 | 5 | 170 | 221 | 0.104 | |
| Calcinated (γ-Fe2O3) | C2 | 1.5 | 18 | 150 | 0.031 |
| C3 | 3 | 14 | 120 | 0.022 | |
| C4 | 5 | 20 | 191 | 0.026 | |
