Investigation of ferroelectric properties of vinylidene fluoride oligomer evaporated films

K. Noda, K. Ishida, K. Mochizuki, A. Kubono, T. Horiuchi, H. Yamada, K. Matsushige

研究成果: Conference article › 査読

1 被引用数 (Scopus)

抄録

Structures and electrical properties of newly synthesized vinylidene fluoride (VDF) oligomer [CF3(CH2CF2)17I] films evaporated onto various substrates around liquid nitrogen temperature were investigated. As a result, the VDF oligomer films were mainly formed with ferroelectric phase (form I) crystals and the molecular chains were oriented parallel to the substrate surfaces regardless of both the kind of the substrates and the thickness of the VDF oligomer films. In addition to these properties, the VDF oligomer films showed polarization reversal due to 180° rotation of the polar VDF oligomer molecules according to the applied voltages. This ferroelectric behavior was verified by local poling and piezoresponse measurements with an atomic force microscope, and by measurements of D-E hysteresis curves.

本文言語English
ページ（範囲）217-222
ページ数6
ジャーナルMaterials Research Society Symposium - Proceedings
巻748
出版ステータスPublished - 2003
イベントFerroelectric Thin Films XI - Boston, MA, United States
継続期間: 2002 12 2 → 2002 12 5

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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