Abstract

AbstractIn this article, we reported the studies on the local dual‐peak vibrations in ferroelectric P(VDF‐TrFE) films, induced by an alternating voltage with its amplitude high enough to cause polarization reversal. A further study showed that this dual‐peak vibration was caused by ferroelectric switching process. The buildup of these dual‐peak vibrations had been detected, and the asymmetrical evolution of local butterfly loops was observed. It was believed that the observed time delay during the developments of dual‐peak vibrations and butterfly loops should be attributed to the electrode effect. © 2006 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys 44: 3282–3287, 2006

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