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The saturation magnetization of MNPs and MNP@Au measured by VSM, and anisotropy constant and effective magnetic core size calculated using LLG equation.
| MNPs | MNP@Au | |
|---|---|---|
| Saturation magnetization Ms | 84 emu/g Fe | 72 emu/g Fe |
| Anisotropy constant K | 11.5 kJ/m3 | 8.0 kJ/m3 |
| Effective magnetic core size | 9.2 ± 2.7 nm | 10.2 ± 3.0 nm |
