Synthesis, Structural and Optical Investigations of (Pb, Bi)TiO₃ Borosilicate Glasses

Table 2

Peak position of IR spectra of different glass samples in the system 55[(Pb_𝑥Bi_1−𝑥)TiO₃]-44[2SiO₂·B₂O₃]-1[La₂O₃].

Glass code	Wavelength of different absorption peaks (cm^−1)
	1	2	3	4		5		6	7	8	9	10	11	12
				a	b	a	b							a	b
BT1L0.0	3396	2928	2265	1631	1596	1384	1350	1190	1121	987	753	656	612	437	418
PBT1L0.1	3325/3384	2928	2343	1631	1600	1384	1350	1190	1121	987	756	656	612	437	418
PBT1L0.3	3393	2925	2343	1631	1596	1400	1350	1190	1121	987	753	656	612	437	418
PBT1L0.5	3400	—	—	1631	1600	1384	1350	1190	1109	987; 912	753	656	612	437	418
PBT1L0.7	3387	—	—	1631	1587	1384	1350	1190	1106	987	750	656	609	437	418
PBT1L0.9	3387	—	—	1631	1596	1384	1350	1190	1109	987	753	656	612	437	418