X-Ray Topography on Domain-Controlled BaTiO3 Crystals

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概要

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• The effect of the domain configuration on the microscopic and macroscopic crystal structures of BaTiO3 is reported using polarizing microscopy observations and high-spatial-resolution synchrotron X-ray measurements. The size of the ferroelectric domain was controlled by defects produced by substituting strontium for barium. The domain configuration of Sr-substituted BaTiO3 consisted of small and uniform domains. The tetragonality of the Sr-substituted BaTiO3 was smaller than that of undoped tetragonal BaTiO3 due to the lattice strain from the domain boundaries. We investigated the domain-controlled BaTiO3 crystal and discussed the relationship between the domain configuration and microscopic crystal structure.

• Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
• 2004-09-15

著者

• KOHMURA Yoshiki

  Harima Institute, RIKEN

• SUZUKI Yoshio

  Synchrotron Radiation Research Laboratory, Japan Synchrotron Radiation Research Institute

• Yoneda Yasuhiro

  Synchrotron Radiation Research Center Japan Atomic Energy Research Institute

• Takashige Masaaki

  Department Of Electronic Engineering College Of Science And Engineering Iwaki Meisei University

• Kohmura Yoshiki

  Harima Institute, RIKEN, Sayo-gun, Hyogo 679-5148, Japan

• Takashige Masaaki

  Departmentt of Electronics, Iwaki Meisei University, Iino, Fukushima 970-8551, Japan

• Yoneda Yasuhiro

  Synchrotron Radiation Research Center, Japan Atomic Energy Research Institute (JAERI), Sayo-gun, Hyogo 679-5148, Japan

• Hamazaki Shin'ichi

  Fukushima National College of Technology, Iwaki, Fukushima 970-8034, Japan

• Mizuki Jun'ichiro

  Synchrotron Radiation Research Center, Japan Atomic Energy Research Institute (JAERI), Sayo-gun, Hyogo 679-5148, Japan

• Suzuki Yoshio

  Synchrotron Radiation Research Laboratory, Japan Synchrotron Radiation Research Institute (JASRI), Sayo-gun, Hyogo 679-5198, Japan

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