Table 6 A comparison with the properties of synthesized (bimetallic) magnetic nanoparticles in the literature. Although the magnetization of nanoparticles out of precious metals (Co and Ag) is high, using cheaper Cu (this work) produces acceptable magnetization while superparamagnetic.
MNPs | Synthetic method | NP size (nm) | Saturation magnetization (Ms) (emu/g) | Ref. |
|---|---|---|---|---|
FeNi2 | 9.27 ferromagnetic | |||
CoNi | 4.15 superparamagnetic | |||
FeCo | 273 | |||
FeAg | 47.2 | |||
Fe-oxide | 38.7 | |||
Fe0.5Cu0.5 | Chemical reduction | 11 | 27.50 superparamagnetic | This work |
Fe0.5Cu0.5 | Chemical reduction | ~ 15 | ||
Fe0.9Cu0.1 | Chemical reduction | ~ 30 | ||
FeCu | Dry-ball milling | |||
FeCu | Laser ablation | 102 | ~ 5 | |
FeCu | Aqueous chemical reduction (fast method) | \(\:\stackrel{-}{5}\) | ||
FeCu | Aqueous chemical reduction (slow method) | \(\:\stackrel{-}{10}\) | ||
FeCu | Mechanical milling | 16–50 |
