Effect of Domain Switching and Rotation on Dielectric and Piezoelectric Properties in Lead Zirconate Titanate Ceramics
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概要
- 論文の詳細を見る
Domain switching and rotation in soft lead zirconate titanate (PZT) ceramics were investigated in comparison with those in hard PZT ceramics by measuring the poling field dependence of the dielectric and piezoelectric properties. The minimum dielectric constant (ε_r) and maximum frequency constant (fcp) were observed at the coercive fields, which correspond to the poling fields required to obtain the minimum planar coupling factor. These phenomena were due to the 180° domain clamping at these fields. The fields of 90° (71° or 109°) domain rotation were estimated using the relationships between the maximum and minimum fcp. While minimum ε_r and maximum fcp due to domain clamping were observed in the compositions of tetragonal and rhombohedral soft PZT ceramics, domain rotations which caused maximum ε_r and minimum fcp were mainly observed in rhombohedral hard PZT ceramics. It was thought that the reason why domain rotations which caused maximum ε_r and minimum fcp were not obtained in soft PZT was the mechanical softness of the ceramics.
- 社団法人応用物理学会の論文
- 1999-09-30
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 Electronic Engineering Shizuoka Institute Of Science And Technology
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Nakamura Koji
Department Of Electronic Engineering Shizuoka Institute Of Science And Technology
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Ogawa Toshio
Department of Electrical and Electronic Engineering, Faculty of Science and Technology, Shizuoka Institute of Science and Technology, 2200-2 Toyosawa, Fukuroi, Shizuoka 437-8555, Japan
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Nakamura Koji
Department of Electronic Engineering, Shizuoka Institute of Science and Technology
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Ogawa Toshio
Department of Chemistry, College of General Education, Nagoya University
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