Research Article
Sol-Gel Derived Eu3+-Doped Gd2Ti2O7 Pyrochlore Nanopowders
Table 1
Characteristic vibrational modes obtained from FTIR measurements.
| Functional group | Region (cm−1) | Comments |
| -OH stretching vibration | 3600–3000 | From water | Aliphatic C-H stretching vibration | 3000–2800 | From isopropoxide | O-N=O asymmetrical stretching | ~1650 | From nitrates | Asymmetrical and symmetrical CH3 deformation vibrations | 1450–1350 | From isopropoxide | CH(CH3)2 skeletal vibrations | 1170–880 | From isopropoxide | N-O stretching vibrations | ~800 | From nitrates | CO2 | 2400–2300 | Inevitable in the atmosphere |
|
|