Magnetic characteristics of as-synthesized with cysteine CoFe2O4 NPs before and after hybridization with Au@BSA nanoclusters. Saturation magnetization, MS, blocking temperature, TB, coercive field, HC, and remanent magnetization, MR.
| Samples | M S (emu g−1) | T B (K) | H C (Oe) | M R (emu g−1) | |||||
|---|---|---|---|---|---|---|---|---|---|
| 4 K | 200 K | 300 K | 200 K | 4 K | 4 K | 200 K | 300 K | ||
| Ultrasmall CoFe2O4 NPs | 13.44 | 11.48 | 10.17 | 125 | — | — | — | — | — |
| 2.4 nm-sized CoFe2O4 NPs | 49.6 | 41.1 | 34.9 | 150 | — | — | — | — | — |
| Au@BSA CLs-coated NPs | 50.32 | 45.82 | 42.58 | 300 | 800 | 1200 | 30 | 10 | — |