Ceramic synthesis of 0.08BiGaO3–0.90BaTiO3–0.02LiNbO3 under high pressure and high temperature |
The x-ray diffraction patterns of lead-free piezoelectric ceramics: (a) sintered at 1200 °C for 2 h; (b) sintered at 1100 °C for 1.1 h; (c) sintered at 1100 °C for 2.6 h, and (d) before HPHT treatment. |