Raman modes of BiFeO₃, Bi_98.59%La_0.67%Pr_0.74%FeO₃, Bi_97.80%La_0.61%Pr_1.59%FeO₃ and Bi_96.35%La_0.94%Pr_2.71%FeO₃ powders.

Samples	Assigned Raman modes (cm−1)
	A1-1	A1-2	A1-3	E-3	E-5	A1-4	E-7	E-8	E-9
BiFeO3	133	171	219	276	345	—	483	538	605
Bi98.59%La0.67%Pr0.74%FeO3	133	169	215	283	332	413	478	518	612
Bi97.80%La0.61%Pr1.59%FeO3	134	168	216	283	330	407	472	508	613
Bi96.35%La0.94%Pr2.71%FeO3	136	166	218	285	329	409	492	—	614