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The concentration-pressure phase diagram for Zr-rich PbZr1-xTixO3 ceramics

This work reports on systematic high-pressure Raman studies of the PbZr1-xTixO3 (0.02⩽x⩽0.14) ceramics performed at room temperature. The pressure dependence of the Raman spectra reveals the stable phases of the material under pressure variation. The results allowed us to propose a concentration-pressure phase diagram for the Zr-rich PZT system up to pressures of 5.0 GPa.