Shifting of Raman peaks (Δω) with grain size, (XA), Poisson's ratio (σ), anisotropy factor (A), Debye temperature (θD), Curie temperature (TC) and exchange interaction (J) obtained for Ni0.7Zn0.2Co0.1Fe2−xGdxO4 (0 ≤ x ≤ 0.12).
Gd content (x) | Δω | X A (nm) | σ | A (GPa) | T C (K) | J (J) × 10−14 | θ D (K) |
---|---|---|---|---|---|---|---|
0.00 | 0.00 | 81.7 ± 1 | 0.30 | 0.53 | 731 | 2.52 | 685.67 |
0.02 | 27.12 | 56.1 ± 3.8 | 0.30 | 0.54 | 718 | 2.48 | 680.85 |
0.05 | 92.99 | 55.3 ± 1.9 | 0.29 | 0.55 | 715 | 2.47 | 680.85 |
0.07 | 93 | 50.9 ± 2.8 | 0.31 | 0.53 | 713 | 2.46 | 680.45 |
0.10 | 97.99 | 42.9 ± 0.9 | 0.30 | 0.53 | 712 | 2.45 | 678.01 |
0.12 | 96.86 | 45.0 ± 0.03 | 0.30 | 0.53 | 711 | 2.45 | 675.97 |