Poling Field Dependence of Ferroelectric Properties and Crystal Orientation in Rhombohedral Lead Zirconate Titanate Ceramics
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概要
- 論文の詳細を見る
Rhombohedral lead zirconate titanate (PZT) ceramics were evaluated statically and dynamically to examine the relationship between domain structures and electrical properties. The poling field dependence of the electrical properties and crystal orientation was investigated as a statical evaluation. When the poling field was varied, maximum dielectric constant, minimum planar coupling factor, minimum frequency constant and minimum relative intensity of the X-ray diffraction (222) peak were obtained at the poling fields of ±0.5, ±1.0, ±0.5 and ±0.75 kV/mm, respectively. Since 180° domain switching was the dominant factor affecting the coupling factor, it was thought that the electrical domain clamping occurred at ±1.0 kV/mm. Furthermore, responses to repeated voltage pulses applied to the ceramics were measured by a high voltage test system as a dynamical evaluation. From these evaluations, we could clarify the domain behavior for the switching and clamping of180° domain, 71° and 109° domain rotations and transient phenomena on the domain orientation.
- INSTITUTE OF PURE AND APPLIED PHYSICSの論文
- 1998-09-30
著者
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Nakamura Koji
Department Of Community Preventive Medicine Niigata University Graduate School Of Medical And Dental
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Ogawa Toshio
Department of Chemistry, College of General Education, Nagoya University
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Ogawa Toshio
Department of Electronic Engineering, Shizuoka Institute of Science and Technology, Fukuroi, Shizuoka 437-8555, Japan
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