首页> 外文会议>2013 IEEE International Symposium on the Applications of Ferroelectric and Workshop on the Piezoresponse Force Microscopy >Nonlinear dielectric response of polymer system with coexisting ferroelectric and relaxor states
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Nonlinear dielectric response of polymer system with coexisting ferroelectric and relaxor states

机译:铁电态和弛豫态共存的聚合物系统的非线性介电响应

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摘要

We report dielectric investigations of poly(vinylidene fluoride-trifluoroetylene), P(VDF-TrFE) copolymer, irradiated with high-energy electrons. While the ferroelectric copolymer is transformed into a relaxor system at high irradiation doses, our investigations, particularly nonlinear dielectric experiments, clearly evidence that at lower doses ferroelectric and relaxor states coexist in the P(VDF-TrFE). Nonlinear dielectric response furthermore reveals the nature of the ferroelectric phase transition, which is confirmed by the polarization measurements.
机译:我们报告了高能电子辐照的聚偏二氟乙烯-三氟乙烯,P(VDF-TrFE)共聚物的介电研究。当铁电共聚物在高辐照剂量下转变为弛豫系统时,我们的研究(尤其是非线性介电实验)清楚地表明,在较低剂量下,P(VDF-TrFE)中铁电态和弛豫态共存。非线性介电响应进一步揭示了铁电相变的性质,这已通过极化测量得到了证实。

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