Sample
Eg
(eV)
Eu
(meV)
Eo
(eV)
Ed (eV)
M−1
M−3
(eV)−2
(nm)
So × 1013
(m)−2
As prepared
3.31
75.75
6.62
2.00
12.49
1.887
0.043
2.89
269
1.69
2.57
Annealed at 450˚C
3.26
95.27
6.04
1.85
12.38
2.05
0.056
3.05
323
1.75
1.96
| Sample | Eg (eV) | Eu (meV) | Eo (eV) |
| Ed (eV) | M−1 | M−3 (eV)−2 |
|
|
| So × 1013 (m)−2 |
| As prepared | 3.31 | 75.75 | 6.62 | 2.00 | 12.49 | 1.887 | 0.043 | 2.89 | 269 | 1.69 | 2.57 |
| Annealed at 450˚C | 3.26 | 95.27 | 6.04 | 1.85 | 12.38 | 2.05 | 0.056 | 3.05 | 323 | 1.75 | 1.96 |