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Figure 7
Raman vibrations of the unannealed and annealed CdWO4 films_
| Raman shift, vibration mode – as-prepared CdWO4 film (cm−1) | Raman shift, vibration mode – CdWO4 film annealed at 600°C (cm−1) | Reference [22] (cm−1) |
|---|---|---|
| 898, ν 1 | 897, ν 1 | 900 |
| 546, 387, and 307, ν 2 | 547, 388, and 306, ν 2 | 550, 390, and 308 |
| 772, ν 3 | 772, ν 3 | 776 |
| 515, ν 4 | 515, ν 4 | 522 |
| 145, 132, 114, 98, and 75, lattice vibr. | 147, 133, 116, 97, and 77, lattice vibr. |
EDX quantitative elemental analysis of the annealed film at 600°C_
| Spectral line | At% experimental/EDX | At% theoretical for CdWO4 |
|---|---|---|
| O K | 89.1 | 66.7 |
| Cd L | 4.2 | 16.7 |
| W M | 6.7 | 16.7 |
IR vibration modes of the unannealed and annealed CdWO4 films_
| IR, vibration mode –as-prepared CdWO4 film (cm−1) | IR, vibration mode –CdWO4 film annealed at 600°C (cm−1) | Reference [23] (cm−1) |
|---|---|---|
| 887, ν 1 | 881, ν 1 | 885, 835, and 700 |
| 797, ν 3 | 802, ν 3 | 796 |
| 696, (weak), ν 1 | 687, (shoulder), ν 1 | 795 |