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

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概要

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• A series of (1-x)BaTiO3--xBaCeO3 (x = 0.1{\mbox{--}}1.0) ceramics were prepared at 1480 °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)O3 phase. The mutual solid solution limits of BaCeO3 and BaTiO3 are given. In the range of 0.4 \leq x \leq 0.8, the system is well separated into the Ce- and Ti-rich Ba(Ti,Ce)O3 perovskite phases, corresponding to Ce/Ti ratios of 4.3:1 and 1:2, respectively.

• 2012-07-25

著者

• Lu Da-yong

  Research Center For Materials Science And Engineering Jilin Institute Of Chemical Technology

• Sun Xiu-yun

  Research Center For Materials Science And Engineering Jilin Institute Of Chemical Technology

• Han Dan-Dan

  College of Chemistry, Northeast Normal University, Changchun 130024, China

• Sun Xiu-Yun

  Research Center for Materials Science and Engineering, Jilin Institute of Chemical Technology, Jilin 132022, China

関連論文

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• Point Defect Characteristics of High-$k$ Double Rare-Earth-Doped BaTiO3 Ceramics with Diffuse Phase Transition by Electron Spin Resonance
• Mutual Solid Solubility and Phase Equilibrium in the System BaTiO3--BaCeO3
• Raman Evidence for Ba-Site Ce

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