Table 2.
Syntheses and magnetic properties of SNPs with sizes larger than 25 nm.
| Diameter (nm) | Precursor and Reagents | Solvent | Size Control Factor | Grain Size (nm) | MS (emu/g) | HC (Oe) | [Ref.] |
|---|---|---|---|---|---|---|---|
| 200, 400, 800 | FeCl3·6H2O, NaAc, PEG | Ethylene glycol (EG) | Rxn time | UN | 81.9 UN, UN |
UN | [48] |
| 31, 53, 71, 93, 141, 174 | FeCl3, NaOH, PAA | Diethylene glycol (DEG) | NaOH stock solution | ≈10 | UN, 30.9, UN, 56.7, UN, 63.5 | SPM | [53] |
| 120, 190, 560 (SPs) | Fe3O4 NPs functionalized with OA and DTAB in chloroform. PVP in EG. | Concentration of DTAB and nanoparticles | 5.8 (NPs) | UN | SPM | [67] [68] |
|
| 280 | FeCl3.6H2O Na(acrylate) NaAc | EG | - | 5.9, 6.9, 8.3, 13.5 | 36.2, 38.7, 46.5, 67.2 | SPM | [46] |
| 6, 60, 120, 170 | EG/DEG | Solvent composition | 10 | UN | SPM | ||
| 20, 90, 165, 300. | FeCl3·6H2O, NaAc, PVP | EG/DEG | Solvent composition | 10–20 | 62.1, 62.1, 62.8, 63.9 | 8, 20, 28, 16 | [47] |
| 82, 139, 188, 544, 728, 1116 | FeCl3·6H2O, NaAc, PAA, H2O | EG | H2O | 15.4, 20.7, 23.9, 18.6, 17.7, 17.6 | 56, 71, 73, 79, 80, 80.27 | 115, 141, 149, 139, 136, 127 | [70] |
| 100, 135, 150, 175, 275 | FeCl3·6H2O, NaAc, PVP | EG | Rxn time | 17, 17, 15, 12, 11 | 69, 72, 65, 32, 56 | 106, 42, 66, 21, 28 | [42] |
| 120, 440, 700 | FeCl3·6H2O, NaAc, PEG | EG, DEG | Solvent composition, FeCl3 | 18, 17, 17 | 78, 84, 87 | 62, 73, 72 | [43] |
UN denotes unknown, as the information was not provided in the literature. SPM denotes superparamagnetic, HC = MR = 0 (at RT). Values in italics indicate that the data were estimated from figures provided in the referenced articles.