Recovery of remanent polarization of poly(vinylidene fluoride-co- trifluoroethylene) thin film after high temperature annealing using topographically nanostructured aluminium bottom electrode
作者： Youn Jung Park , Seok Ju Kang , Cheolmin Park , Euntaek Woo , Kyusoon Shin
DOI: 10.1063/1.2743389
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摘要: Facile recovery of ferroelectric polarization after high temperature annealing was observed in a poly(vinylidene fluoride-co-trifluoroethylene) (P(VDF-TrFE)) thin film on an etched Al bottom electrode which has topographically nanostructured surface with hexagonal registry the recessed hemispherical bowls approximately 100nm diameter. Fairly large remanent 10μC∕cm2 obtained up to 185°C electrode, while rapidly dropped near melting P(VDF-TrFE) (∼150°C) flat electrode. The topographic is found facilitate reorganization crystal under electric field.
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