Figure 3

Temperature-dependent Raman spectra of (a) FL/HfO2 and (b) bulk BP/HfO2 samples at 80–300 K under a 514 nm excitation laser.
Temperature-dependent Raman spectra of (a) FL/HfO2 and (b) bulk BP/HfO2 samples at 80–300 K under a 514 nm excitation laser.