Research Article
Investigation of Structural, Electrical, and Vibrational Properties of Bi1.98A0.02Fe4O9 (A = Ba, Ce) Multiferroic Ceramics
Figure 3
Raman spectra for (a) Bi2Fe4O9(650–850), (b) Bi2Fe4O9(800–850), (c) Bi1.98Ba0.02Fe4O9, and (d) Bi1.98Ce0.02Fe4O9 samples.