Enhanced Piezoelectric Properties of Piezoelectric Single Crystals by Domain Engineering
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- Wada Satoshi
- Department of Metallurgy and Ceramics Science, Graduate School of Science Engineering, Tokyo Institute of Technology
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- Kakemoto Hirofumi
- Department of Metallurgy and Ceramics Science, Graduate School of Science Engineering, Tokyo Institute of Technology
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- Tsurumi Takaaki
- Department of Metallurgy and Ceramics Science, Graduate School of Science Engineering, Tokyo Institute of Technology
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Various engineered domain configurations were induced into barium titanate (BaTiO3) single crystals, and their piezoelectric properties were investigated as a function of (1) the crystal structure, (2) the crystallographic orientation and (3) the domain size. As a result, the orthorhombic mm2 BaTiO3 crystals showed the highest piezoelectric properties among three kinds of BaTiO3 crystals such as tetragonal 4mm, orthorhombic mm2 and rhombohedral 3m phases. On the other hand, the [001]c oriented BaTiO3 crystals always exhibited the larger piezoelectric properties than the [111]c oriented BaTiO3 crystals. Moreover, the domain size dependence on the piezoelectric properties was discussed, and this result revealed that the piezoelectric property was strongly dependent on the domain size, i.e., the piezoelectric properties significantly increased with decreasing domain size. On the basis of the above results, the most suitable engineered domain configuration was proposed for the high-strain high-coupling piezoelectric application.
収録刊行物
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- MATERIALS TRANSACTIONS
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MATERIALS TRANSACTIONS 45 (2), 178-187, 2004
公益社団法人 日本金属学会
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詳細情報 詳細情報について
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- CRID
- 1390282679227858560
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- NII論文ID
- 10012642842
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- NII書誌ID
- AA1151294X
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- COI
- 1:CAS:528:DC%2BD2cXjt1Oqsrk%3D
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- ISSN
- 13475320
- 13459678
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- NDL書誌ID
- 6864929
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- 使用不可