Figure 5

High-pressure Raman spectroscopy of Dy2Ti2O7. Representative high-pressure Raman spectra for Dy2Ti2O7 annealed at various temperatures: (a) 1200 °C, (b) 800 °C, (c) unannealed. Mulliken symbols of the Raman modes given in (a). Value on the right of each spectrum is pressure in GPa.