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

Figure 17

Raman spectra on the same spot for Tb₄O₇ (a) primary spectrum and (b) consecutive spectrum (excitation wavelength was 442 nm).