Table 2 FTIR assignment of Ca3(Si3O9)/CoO powder heat treated at 1300 °C.
From: Magnetic and electrical properties of pseudowollastonite nanoceramic prepared by wet method
Assignment | References | Base 1300 | 0.5% | 3.5% | 6.5% | 9.5% |
|---|---|---|---|---|---|---|
Si–O stretching vibration | 1089 | 1089 | – | – | – | |
1063 | 1063 | 1064 | – | – | ||
983 | 983 | 992 | 994 | 1007 | ||
– | – | – | 964 | 962 | ||
933 | – | – | – | – | ||
Si-O-Ca stretching vib. | 22]] | 913 | 905 | 900 | 898 | 898 |
845 | 845 | 843 | 838 | 834 | ||
Si-O- vib. | 22]] | 712 | 713 | 714 | 715 | 721 |
Si-O-Si bending vib. | – | – | – | 683 | 681 | |
O-Si-O bending vib. | 21]] | 645 | 645 | 645 | 644 | 644 |
– | – | – | 621 | 620 | ||
563 | 563 | 562 | 562 | 562 | ||
Si-O- Si bending vib. | 499 | 499 | 497 | 498 | ||
δ3(O − Si − O) | 420 | 431 | 440 | 450 439 | 452 |
