Summary of the magnetic parameters of Ni0.6Zn0.4Al0.5Fe1.5−xNdxO4 (x = 0.0, 0.05, 0.075 and 0.1) nanoparticle samples.
Parameter | x = 0.0 | x = 0.05 | x = 0.075 | x = 0.1 |
---|---|---|---|---|
T C (K) | 623 | 622 | 606 | 591 |
θ CW (K) | 668 | 601 | 669 | 655 |
μ eff (μB) | 3.13 | 1.13 | 0.37 | 0.25 |
M s (emu g−1) | 47 | 42 | 39.8 | 34 |
H c (Oe) | 34 | 25 | 20 | 15 |
M r (emu g−1) | 3.2 | 2 | 1.5 | 0.5 |
M r/Ms | 0.07 | 0.08 | 0.04 | 0.01 |
K 1 (J m−3) | 5.9 × 104 | 5 × 104 | 3.9 × 104 | 4.2 × 104 |
n B (μB) | 1.87 | 1.7 | 1.63 | 1.41 |
n th (μB) | 5.5 | 5.4 | 5.35 | 5.3 |
Y–K angles (°) | 60.74 | 61.87 | 62.3 | 69.26 |