Pyroelectricity of Ferroelectric Vinylidene Fluoride-Oligomer-Evaporated Thin Films

Kei Noda, Kenji Ishida, Toshihisa Horiuchi, Hirofumi Yamada, Kazumi Matsushige

研究成果: Article査読

10 被引用数 (Scopus)


The pyroelectricity of ferroelectric vinylidene fluoride (VDF)-oligomer [CF3(CH2CF2)17I]-evaporated film was investigated utilizing a low-frequency sinusoidal heat source. A current profile appeared as the summation of a fundamental sine wave with a frequency of the temperature change and its harmonic responses. The pyroelectric coefficient (p) of the 600-nm-thick VDF oligomer film was estimated to be -68 μC/m2K at 37°C, whose absolute value is larger than those reported for ferroelectric polymers. Various characteristics such as a large |p|, a small dielectric constant and suitability for preparation of thinner films suggest that the VDF oligomer is a promising material for application in pyroelectric thin-film infrared detectors.

ジャーナルJapanese Journal of Applied Physics, Part 2: Letters
11 A
出版ステータスPublished - 2003 11 1

ASJC Scopus subject areas

  • 工学(全般)
  • 物理学および天文学(その他)
  • 物理学および天文学(全般)


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