Abstract
AbstractIn this study, we report the temperature dependence of polarization fatigue in ferroelectric copolymer films. Studies on temperature effect show a non‐monotonic change of fatigue rate with increasing temperature. At temperature below ∼ 90°C, fatigue endurance is weakened at higher temperature; while, at temperature above ∼ 90°C, experimental data indicate that the higher the temperature, the lower the fatigue rate. X‐ray diffraction spectra reveal little changes of characteristic peak before and after polarization fatigue. On the basis of the hypothesis of charge‐injection‐induced fatigue, we propose a possible explanation of our experimental results. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci 2008
Published Version
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