Electrical resistivities of the magnetic particles of IO, PAni and the PAni/NPIO 20% composite.
| Sample | Electrical resistivity (Ω cm) | |
|---|---|---|
| Before exposure | After exposure | |
| IO particles | 1.0 ± 0.1 × 109 | 5.5 ± 0.7 × 106 |
| PAni | 9.8 ± 0.6 × 108 | 2.7 ± 0.4 × 106 |
| NPIO/PAni | 9.8 ± 0.5 × 108 | 2.8 ± 0.4 × 106 |