Table 2.
Coercive field ( H c ), magnetization ( M ), remanent magnetization ( M r ), and optical band gap ( E g ) of La 1 − x Al x FeO 3 nanopowders
| La 1 − x Al x FeO 3 | H c (Oe) | M (emu/g) | M r (emu/g) | E g (eV) |
|---|---|---|---|---|
|
x = 0.0 |
366.8 |
0.202 |
0.007 |
2.05 |
|
x = 0.05 |
591.2 |
0.291 |
0.008 |
2.07 |
| x = 0.1 |
1,597.2 |
0.196 |
0.012 |
2.07 |
|
x = 0.2 |
3,390.6 |
0.300 |
0.038 |
2.07 |
|
x = 0.3 |
5,308.4 |
0.509 |
0.158 |
2.09 |
|
x = 0.4 |
4,399.3 |
0.899 |
0.301 |
2.09 |
| x = 0.5 | 4,087.0 | 1.665 | 0.623 | 2.07 |