Perfectness of Macrodomains of BaTiO_3 Crystals

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概要

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• Statistico-thermodynamical investigation is made on the size and density of reversely-polarized microdomains contained within a unidomain c-plate (or a macrodomain of a multidomain c-plate) of BaTiO_3 in thermal equilibrium at room temperature, with or without constant electric field applied. Microdomains treated here are confined to ones running through the crystal plate from the surface on the one side to the surface on the other side. It is found that a thinner crystal plate contains more reversely-polarized microdomains, and a plate thicker than about 2x10^<-6> cm contains practically no reversely-polarized microdomains. Reversely-polarized microdomains tend to disperse rather than coalesce, and can hardly be depressed by electric field.

• 社団法人日本物理学会の論文
• 1961-05-05

著者

• Nakada Osamu

  Hitachi Central Research Laboratory

• Aizu K.

  Hitachi Central Research Laboratory

• Aizu Keisiro

  Hitachi Central Research Laboratory

関連論文

• Molecular Theory of Relaxation Phenomena in Polymers
• Simultaneous Ferroelectricity and Ferroelasticity of Gd_2(MoO_4)_3
• Subkinds of the 22 Kinds of Ferroelectrics, Complexity in the Narrower Sense, and Ferro-Ferroelectric Phase Transformations
• Theory of Non-Linear Responses of Many Variable System
• Theory of Non-linear Responses
• Perfectness of Macrodomains of BaTiO_3 Crystals
• Statistical Theory of Ferroelectricity Based on the Concept of Ferroelectric Modes of Lattice Vibration

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