Table 1.
Measured maximum exchange bias field (HE), types of magnetic coupling, mean blocking temperature (TB), and diameter/shell thickness of iron oxide-based nanoparticles. FM, FI and AFM stand for ferromagnetic, ferrimagnetic, and antiferromagnetic, respectively.
| Material | Total Diameter, d (nm) | Types of Magnetic Coupling | Loop Shift, HE (Oe) | Blocking Temperature, TB (K) | Reference |
|---|---|---|---|---|---|
| Fe3O4 (solid) | 9 | FI | 0 | 36 | [37] |
| Fe3O4 (solid), under 5 GPa pressure | 20 | FI | 800 | 40 | [63] |
| Fe3O4 (hollow) | 16/4.5 | FI | 133 | -- | [31] |
| Fe/Fe3O4 (C/S) | 14/2.5 | FM/FI | 1190 | 115 | [31] |
| FeO/Fe3O4 (C/S) | 14/3.5 | AFM/FI | 471 | -- | [32] |
| FeO/Fe3O4 (C/S) | 35/4 | AFM/FI | 2250 | 270 | [33] |
| FeO/Fe3O4 (C/S) | 18/6 | AFM/FI | 1000 | 210 | [104] |
| FeO/Fe3O4 (C/S) | 24/5 | AFM/FI | 3700 | 260 | [104] |
| FeO/Fe3O4 (C/S) | 10/0.6 | AFM/FI | 1700 | 220 | [34] |
| FeO/Fe3O4 (C/S) | 20 | AFM/FI | 1550 | >275 | [105] |
| Fe3O4/FeO (C/S) | 6 | FI/AFM | 514 | -- | [103] |
| Fe3O4/γ-Fe2O3 (C/S) | 12 | FI/FI | 140 | 105 | [35] |
| Au/Fe3O4 (dumbbell) | 8/9 | FI | 260 | 65 | [37] |
| Au/Fe3O4 (flower) | 8/9 | FI | 500 | 90 | [37] |
| Au/FeO/Fe3O4 (C/S) | 10/14 | AFM/FI | 860 | 250 | [92] |
| γ-Fe2O3 (solid) | 4 | FI | 750 | 7 | [58] |
| γ-Fe2O3 (solid) | 7 | FI | 60 | 20 | [65] |
| γ-Fe2O3 (solid) | 10 | FI | 1500 | 42 | [19] |
| γ-Fe2O3 (hollow) | 19/4.5 | FI | 960 | 150 | [41] |
| γ-Fe2O3/CuO/Cu (C/S) | 7/0.5 | FI/AFM | 18 | 50 | [92] |
| Fe/γ-Fe2O3 (C/S) | 11 | FM/FI | 6300 | 110 | [27] |
| γ-Fe2O3/CoO (C/S) | 5 | FI/AFM | 1200 | -- | [36] |
| CoO/γ-Fe2O3 (C/S) | 5 | AFM/FI | 2000 | -- | [36] |
| MnFe2O4/γ-Fe2O3 (C/S) | 3.3/0.4 | FI/FI | 86 | -- | [73] |
| CoFe2O4/γ-Fe2O3 (C/S) | 3.1/0.5 | FI/FI | 125 | -- | [73] |
| Au/γ-Fe2O3 (C/S) | 13/3 | FI | 1200 | 65 | [93] |
| Fe/α-Fe2O3 (C/S) | 70/10 | FM/AFM | 78 | -- | [106] |