Table 3.
Variation of n values with mechanism of diffusion
| n | Mechanism | dM t /dt dependence |
|---|---|---|
| 0.5 | Fickian diffusion | t-0.5 |
| 0.5 < n > 1.0 | Anomalous diffusion | tn-1 |
| 1.0 | Case II transport | Zero order |
| n > 1.0 | Super case II transport | tn-1 |
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