Structure of 180° Domain Walls in Ferroelectric Thiourea

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概要

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• Antiparallel domain walls of ferroelectric thiourea have been observed on X-raydiffraction topographs. These domain walls are (001) planes with thicknesses less than1 pm. Contrast of the images of the xvalls on the topographs depends 0II the kind ofBragg reflections used for the topograplxs. Tlais dependence indicates that the strucLure of the domain walls is similar to the intermediate phase with modulated longperiod structures (phase II' and phase IV) observed between the higlt temperatureparaelectric phase and low temperature ferroelectric phase. A Bragg reflection fromthe domain walls accompanies satellite reflections. The period of the modulated structure of the walls is estimated to be 300 - 500 times the length of the c-;txis of the ferroelectric phase.[ferroe1ectric domain wall, domain boundary, 180' domain wall, l'erroelectric lf thiourea, X-ray topographyl

• 社団法人日本物理学会の論文
• 1992-10-15

著者

• Aoyama Junichi

  Department Of Physics Tokyo Institute Of Technology:one Sony Place M

• Takagi Mieko

  Department Of Physics Tokyo Institute Of Technology

• Takagi Mieko

  Department Of Physics Tokyo Institute Of Technology:sanyo Tsukuba Rc

• SUZUKI Shigeo

  S 730

• Takagi Mieko

  Department of Applied Physics, The University of Tokyo

関連論文

• Domain Formation in Ferroelectric BaTiO_3 Studied by X-ray Topography. II
• Domain Formation in Ferroelectric BaTiO_3 Studied by X-Ray Topography.I.
• X-Ray Bragg Reflection and Infrared Absorption Topography of Ferroelectric NaNO_2
• X-Ray Topographic Study of Defects in GaAs Epi-Layers Grown by Liquid Phase Epitaxial Method
• Topographic Study on Domain Boundaries in TGS.I
• Topographic Study on Domain Boundaries in TGS.II
• X-Ray Topographic Study on Lattice Strain at 180°Domain Wall in Ferroelectric BaTiO_3
• Structure of 180° Domain Walls in Ferroelectric Thiourea

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