Table 2 Magnetic parameters of 0, 5 and 9% Mn-doped iron oxide NPs.
Sample | \(\:{\varvec{M}}_{4\:\varvec{T}}^{300\:\varvec{K}}\) (emu/g) | \(\:{\varvec{M}}_{\varvec{s}}^{\varvec{l}\varvec{a}\varvec{n}\varvec{g}}\) (emu/g) | µp × 10−24 (emu) | Dmag (nm) | Keff×104 (J/m3) | χa x 10−7 (emu/Oe) |
|---|---|---|---|---|---|---|
0% | 19.7 | 19.38 | 8.79 | 9.53 | 23.60 | 2.75 |
5% | 21.4 | 21.1 | 12.50 | 10.42 | 9.23 | 14 |
9% | 43 | 42.5 | 9.19 | 7.45 | 4.56 | 20 |