Electrostrictive Phenomena Associated with Polarization Reversal in Ferroelectric Polymers

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概要

• 論文の詳細を見る

• The electrostriction effect of ferroelectric vinylidene fluoride (VDF) and trifluoroethylene copolymers was studied by measuring their dimensional variation under an external electric field changing beyond a coercive electric field. The relationship between strain and polarization for the copolymer which includes a 54 mol% VDF reveals a parabolic electrostriction relationship over the entire measurement range of the strain-polarization relationship. The relationship for the copolymer which includes a 73 mol% VDF, however, deviates from the parabolic relationship. The result is discussed in terms of the thermodynamics of a ferroelectric phase transition. Furthermore, the origin of the ferroelectricity of these copolymers is discussed.

• 社団法人応用物理学会の論文
• 1999-03-15

著者

• Ikeda Susumu

  Department of Polymer Science and Engineering, Yamagata University

• Koda Tomonori

  Department Of Applied Physics Faculty Of Engineering Nagoya University

• Yamaguchi E

  Hokkaido Univ. School Of Medicine Sapporo

• YUKI Toshinao

  Department of Materials Science and Engineering, Faculty of Engineering, Yamagata University

• YAMAGUCHI Etsuro

  Department of Materials Science and Engineering, Faculty of Engineering, Yamagata University

• Ikeda Susumu

  Department Of Physics Graduate School Of Science Tohoku Univ.

• Yuki Toshinao

  Department Of Materials Science And Engineering Faculty Of Engineering Yamagata University

• Yamaguchi Etsuro

  Department Of Materials Science And Engineering Faculty Of Engineering Yamagata University

• Ikeda Susumu

  Department Of Applied Chemistry Faculty Of Science And Engineering Saga University

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