Structural Study of Europium Doped Gadolinium Polyphosphates LiGd(PO₃)₄ and Its Effect on Their Spectroscopic, Thermal, Magnetic, and Optical Properties

Table 4

Attributions of main IR bands () of (PO₃)₄ samples.

Assignment	x=0	x=0.02	x= 0.04
OPO	1257	1241	1250
	1137	1127	1149
OPO	1089	1089	109
POP	1014	1014	1014
	944	944	947
POP	689	689	689
	736	736	736
	761	758	761
	818	818	818
POP	437-	437	437
POP	456	456	457
	519	519	521
	586	585	585