Raman and Fluorescence Spectroscopy of CeO₂, Er₂O₃, Nd₂O₃, Tm₂O₃, Yb₂O₃, La₂O₃, and Tb₄O₇

Figure 14

Raman spectra for La₂O₃ with (a) 442 nm excitation, (b) 514 nm excitation, and (c) 633 nm excitation. The spectra ranges from 200 nm to 750 cm⁻¹ are shown on the small figure. From top to bottom: 442 nm excitation, 514 nm excitation, and 633 nm excitation.