Studies on (Ba-Pb)(Ti-Zr)O_3 System

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概要

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• Structural studies on (Ba-Pb)(Ti-Zr)O_3 system were performed, and the phase diagram of the whole system was determined. In the vicinity of BaTiO_3, low temperature phases are brought to room temperature by adding Pb and Zr. Substituting some amount of Pb by Ba in Pb(Ti-Zr)O_3, Curie point becomes lower, but the morphotropic boundary between F_α and F_β Phase shifts only gradually to the Ti side, and may lie nearly at the same composition with varying temperature. The axial ratio in F_β phase decreases with decreasing Ti concentration, while 90°-α in F_α decreases with increasing Ba and hardly depends on Ti-Zr ratio. Some solid solution ceramics along the morphotropic bundary with Ba 5-20% and Ti 40-50% are excellent for piezoelectric materials, and those containing Ba ca. 30% and Ti 5-25% have large dielectric constants and low temperature coefficients.

• 社団法人日本物理学会の論文
• 1959-02-05

著者

• IKEDA Takuro

  Kobayashi Institute of Physical Research

関連論文

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• Elastic Constants of Porous Materials, Especially of BaTiO_3 Ceramics
• Dispersion of Ultrasonic Waves in Ethylene
• Studies on (Ba-Pb)(Ti-Zr)O_3 System
• Anisotropy in Polarized Barium Titanate Ceramics
• Some Studies on the Ternary System (Ba-Pb-Ca)TiO_3
• The Internal Friction of Barium Titanate Ceramics

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