Abstract
Vinylidene Fluoride/Trifluoroethylene copolymers with compositions 47/53 and 37/63 mol% exhibit a ferroelectric square D–E hysteresis loop at low temperatures (below −40°C) and undergo transition to a paraelectric motional phase near Tc=70°C. At intermediate temperature they exhibit a double-hysteresis loop suggesting that polarization reversal occurs through a non-polar phase. Time domain measurement of polarization reversal shows two-step switching transient consisting of fast depolarization and slow re-polarization processes. The remanent polarization imparted in the ferroelectric phase shows gradual decay on heating and disappears completely well below Tc. We conclude that these copolymers take an antiferroelectric-like non-polar phase between low temperature ferroelectric and high temperature paraelectric phases.
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T. Furukawa, Phase Transitions, 18, 143 (1989).
K. Tashiro and M. Kobayashi, Phase Transitions, 18, 213 (1989).
K. Tashiro, K. Takano, M. Kobayashi, Y. Chatani, and H. Tadokoro, Ferroelectrics, 57, 297 (1984).
A. J. Lovinger, G. T. Davis, M. G. Broadhurst, and T. Furukawa, Macromolecules, 15, 323 (1982).
T. Horiuchi, K. Matsushige, and T. Takemura, Jpn. J. Appl. Phys., 25, L465 (1986).
Koizumi, Y. Murata, and H. Tsunashima, IEEE Trans. Elect. Insul., EI-21, 543 (1986).
Y. Oka, N. Koizumi, and Y. Murata, J. Polym. Sci., B: Polym. Phys., 24, 2059 (1986).
T. Furukawa, M. Date, M. Ohuchi, and A. Chiba, J. Appl. Phys., 56, 1481 (1984).
T. Furukawa, M. Ohuchi, A. Chiba, and M. Date, Macromolecules, 17, 1384 (1984).
T. Sasaki, A. Funato, K. Kubo, and A. Chiba, Jpn. J. Appl. Phys., 34, 3117 (1995).
H. Kodama, Y. Takahashi, and T. Furukawa, Ferroelectrics, 203, 435 (1997).
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Takahashi, Y., Kodama, H., Nakamura, M. et al. Antiferroelectric-Like Behavior of Vinylidene Fluoride/Trifluoroethylene Copolymers with Low Vinylidene Fluoride Content. Polym J 31, 263–267 (1999). https://doi.org/10.1295/polymj.31.263
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DOI: https://doi.org/10.1295/polymj.31.263
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