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首页> 外文期刊>RSC Advances >Ferro- and piezo-electric properties of a poly(vinyl fluoride) film with high ferro- to para-electric phase transition temperature
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Ferro- and piezo-electric properties of a poly(vinyl fluoride) film with high ferro- to para-electric phase transition temperature

机译：聚（乙烯基氟醚）膜的铁和压电性能，具有高铁至电相转变温度

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摘要

Excellent ferro- and piezo-electric performance is proposed for the first time in poly(vinyl fluoride) (PVF) in the beta crystal phase of a hexagonal plane and high crystallinity. A Currie phase transition from ferro- to para-electric is found at 168 degrees C, which is the highest among the reported polymeric ferroelectrics. At room temperature, a coercive electric field as high as 120 MV m(-1) and a remnant displacement of 5 mu C cm(-2) are obtained on D-E loops. After polarized at 300 MV m(-1), a relatively large piezoelectric coefficient of -11 pC N-1 is detected. Regarding its high depolarization temperature and facile film processing procedure, PVF ferroelectric films may attract interest and find particular applications at elevated temperatures.
机译：在六边形平面和高结晶度的β晶相中，在聚（乙烯酰氟）（PVF）中首次提出了优异的铁滤电性能。 从Ferro-to-Electric的静脉相转变在168摄氏度中发现，这是报告的聚合物铁电池中的最高。 在室温下，在D-E环上获得高达120 mV m（-1）的矫顽电场和5μccm（-2）的残余位移。 在300 mV m（-1）的偏振后，检测到-11pc n-1的相对大的压电系数。 关于其高去极化温度和体面薄膜处理程序，PVF铁电薄膜可能会吸引兴趣并在升高的温度下找到特殊应用。

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  • 来源
    《RSC Advances》 |2015年第99期|共6页
  • 作者

    Li Zhong; Wang Jian; Wang Xiao; Yang Qinghao; Zhang Zhicheng;

  • 作者单位

    Xian Univ Sci &

    Technol Coll Mat Sci &

    Engn Xian 710054 Shaanxi Peoples R China;

    Xi An Jiao Tong Univ Sch Sci MOE Key Lab Nonequilibrium Synth &

    Modulat Conden Dept Appl Chem Xian 710049 Shaanxi Peoples R China;

    Xi An Jiao Tong Univ Sch Sci MOE Key Lab Nonequilibrium Synth &

    Modulat Conden Dept Appl Chem Xian 710049 Shaanxi Peoples R China;

    Xian Univ Sci &

    Technol Coll Mat Sci &

    Engn Xian 710054 Shaanxi Peoples R China;

    Xi An Jiao Tong Univ Sch Sci MOE Key Lab Nonequilibrium Synth &

    Modulat Conden Dept Appl Chem Xian 710049 Shaanxi Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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