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Uv-vis bands of the Mn-doped bioactive glass-ceramic as a gel at 120 °C and after treatment at 700 and 1100 °C.
| Wavelength (nm) 120 °C | Wavelength (nm) 700 °C | Wavelength (nm) 1100 °C | Assignments |
|---|---|---|---|
| 516 | 6A1g (S) → 4T1g (G) transition of Mn2+ ion in octahedral position [45] | ||
| 485 | 486 | 5Eg → 5T2g transition of Mn3+ ions in octahedral position [45] | |
| 469 | 473 | 6A1g (S) → 4T1g (G) transition of Mn2+ ion [46] | |
| 305 | 305 | 294 | Mn3O4 [47] |
| 265 | MnO (O2− → Mn2+ charge-transfer transition) [45] |
