Mutual Solid Solubility and Phase Equilibrium in the System BaTiO3-BaCeO3

作者：Lu, Da-Yong; Han, Dan-Dan; Sun, Xiu-Yun

来源：Japanese Journal of Applied Physics, 2012, 51(7): 071501.

DOI：10.1143/JJAP.51.071501

• BARIUM-TITANATE CERAMICS
• TEMPERATURE CHARACTERISTICS
• TRANSITION BEHAVIOR
• RAMAN-SCATTERING
• DOPED BATIO3
• MICRO-RAMAN
• CERIUM
• DEPENDENCE
• BACEO3

A series of (1 - x)BaTiO3-xBaCeO(3) (x = 0.1-1.0) ceramics were prepared at 1480 degrees C by a cold-pressing ceramic technique. The mutual solid solubility and phase equilibrium in the system BaTiO3-BaCeO3 were investigated by X-ray diffraction analysis, scanning electron microscopy, and Raman spectroscopy. The results indicate that no pure BaCeO3 phase can be separated from the Ba(Ti1-xCex)O-3 phase. The mutual solid solution limits of BaCeO3 and BaTiO3 are given. In the range of 0.4 <= x <= 0.8, the system is well separated into the Ce- and Ti-rich Ba(Ti,Ce)O-3 perovskite phases, corresponding to Ce/Ti ratios of 4.3 : 1 and 1 : 2, respectively.

• 出版日期2012-7
• 单位东北师范大学