Table 9 The experimental magnetic parameters: saturation magnetization (MS), coercivity (HC), and remanent magnetization (Mr), and the calculated magnetic parameters estimated from hysteresis loops of Co1−2xAgxCrxFe2O4 system the squareness ratio (S = \(\:{M}_{r}\)/\(\:{M}_{s}\)).
Cr and Ag content | Ms (emu/g) | \(\:\varvec{H}\varvec{c}\) \(\:\left(\varvec{O}\varvec{e}\right)\) | Mr (emu/g) | SQ=Mr/Ms | Mthe | K (erg/oe) | Mexp | Θy−k (degree) | Dnm |
|---|---|---|---|---|---|---|---|---|---|
0.0 | 57.3 | 500 | 15.23 | 0.26 | 4.38 | 29,883 | 2.736 | 37.68 | 8.4 |
0.02 | 50.7 | 758 | 15.62 | 0.3 | 5.87 | 40,052 | 2.136 | 37.26 | 7.7 |
0.04 | 45.5 | 1131 | 16.814 | 0.36 | 5.75 | 53,611 | 1.925 | 38.15 | 7.4 |
0.06 | 41.9 | 1327 | 16.22 | 0.387 | 5.57 | 57,890 | 1.778 | 38.07 | 7.7 |
0.08 | 36.3 | 515 | 14.35 | 0.397 | 5.25 | 19,516 | 1.782 | 39.12 | 10.7 |
0.1 | 32.8 | 1947 | 13.11 | 0.40 | 5.1 | 66,485 | 1.401 | 40.26 | 7.3 |