Table 1. Energy Level of R-Fe2O3 and D-Fe2O3.
| samples | Eg (eV) | EC (eV vs Vac.) | EF (eV vs Vac.) | EV (eV vs Vac.) |
|---|---|---|---|---|
| R-Fe2O3 | 2.02 | 4.66 | 4.96 | 6.66 |
| D-Fe2O3 | 1.70 | 4.76 | 5.36 | 6.46 |
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