Jpn. J. Appl. Phys. 51 (2012) 04DK05 (4 pages)  |Previous Article| |Next Article|  |Table of Contents|
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Structural and Ferroelectric Characterization of Uniaxially Oriented Vinylidene Fluoride Oligomer Thin Films

Yusuke Kuroda, Yasuko Koshiba, Masahiro Misaki, Satoshi Horie, Kenji Ishida, and Yasukiyo Ueda

(Received September 26, 2011; revised November 11, 2011; accepted December 1, 2011; published online April 20, 2012)

A uniaxially oriented film of ferroelectric vinylidene fluoride (VDF) oligomer was fabricated by vacuum deposition on a friction-transferred vinylidene fluoride–trifluoroethylene copolymer; i.e., P(VDF/TrFE), film as a structural template. Fourier transform infrared spectroscopy and scanning electron microscopy measurements revealed that the ultra thin P(VDF/TrFE) film induced the formation of the ferroelectric form I crystal phase and the uniaxial orientation of what to the VDF oligomer by epitaxial growth. The VDF oligomer/P(VDF/TrFE) films exhibit ferroelectric hysteresis loops with a coercive field and a remanent polarization of 150 MV/m and 77 mC/m², respectively; however, VDF oligomer films without a structural template showed no ferroelectric properties.

URL: http://jjap.jsap.jp/link?JJAP/51/04DK05/
DOI: 10.1143/JJAP.51.04DK05

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