Magnetic parameters of magnetoferritinsa.
Samples | Mean size (nm) | M rs (5 K) (emu g−1) | M s (5 K) (emu g−1) | M rs/Ms (5 K) | H c (5 K) (mT) | M s (300 K) (emu g−1) | R |
---|---|---|---|---|---|---|---|
M-HFn5000 | 4.6 | 8.7 | 26.7 | 0.33 | 28.9 | 21.3 | 0.42 |
M-HFn5000-110 °C | 4.6 | 9.1 | 36.3 | 0.25 | 18.8 | 28.9 | 0.42 |
M-PfFn5000 | 4.6 | 6.9 | 21.5 | 0.32 | 23.1 | 17.2 | 0.44 |
M-PfFn5000-110 °C | 4.6 | 8.5 | 35.9 | 0.24 | 14.7 | 28.1 | 0.43 |
M-PcFn5000 | 4.7 | 8.8 | 24.1 | 0.37 | 27.8 | 19.3 | 0.43 |
M-PcFn5000-110 °C | 4.7 | 9.6 | 35.2 | 0.27 | 19.3 | 27.5 | 0.42 |
M rs, saturation remanence; Ms, saturation magnetization; Hc, coercivity; R value was determined by Wohlfarth–Cisowski test, as shown in Fig. S2. R value of 0.5 suggesting no magnetostatic interaction.