Anisotropy in Polarized Barium Titanate Ceramics

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概要

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• Dielectric constants ε_1^T and ε_3^T (perpendicular and parallel to the direction of the polarization) and elastic compliance coefficients S_<11>^E, S_<33>^E and S_<44>^E of fully prepolarized BaTiO_3 ceramics are measured, and are compared with the dielectric constant ε^0 and the elastic compliance coefficients S_<11>^0 and S_<44>^0 of the unpolarized ceramics. Anisotropy is small (a few percent). By semi-quantitative calculations, it is shown that the 180°-reversals of domains mainly remain after the poling process, and that anisotropy is due to the piezoelectric interactions among single crystals which constitute the ceramic.

• 社団法人日本物理学会の論文
• 1957-03-05

著者

• MARUTAKE Masakazu

  Kobayasi Institute of Physical Research

• Marutake Masakazu

  Kobayashi Institute Of Physical Research

• IKEDA Takuro

  Kobayashi Institute of Physical Research

• Ikeda Takuro

  Kobayasi Institute Of Physical Research

関連論文

• Electromechanical Properties of NaNO_2 Single Crystals
• Elastic Properties of Lead Zirconate
• Elastic Constants of Porous Materials, Especially of BaTiO_3 Ceramics
• The Dispersion of the Piezoelectric Modulus in Rochelle Salt Crystal at Low Frequencies
• Dispersion of Ultrasonic Waves in Ethylene
• The Dispersion of the Dielectric Constant in Rochelle Salt Crystal at Low Frequencies
• 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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