Dielectric properties of three liquid crystal polymers

Peng Yang, Yoshimichi Ohki*

*この研究の対応する著者

    研究成果: Article査読

    抄録

    Dielectric properties of three kinds of liquid crystal polymers (LCPs) were investigated by measuring their thermal properties, thermally stimulated polarization and depolarization currents, and complex dielectric permittivity. To make clear the differences among the three LCP samples, complex electric modulus was introduced, which was found to be effective to suppress the effects of large conduction currents at high temperatures. Moreover, the slopes of the frequency dependence of e{open}[r' and e{open}]r'' are different below and above the phase transition temperature, indicating that the accumulation of charges occurs in front of the electrodes. The experimental results indicate that the phase transition has a significant influence on both the electrical conduction and dielectric relaxation for all LCPs.

    本文言語English
    ページ(範囲)609-613
    ページ数5
    ジャーナルIEEJ Transactions on Electrical and Electronic Engineering
    10
    6
    DOI
    出版ステータスPublished - 2015 11月 1

    ASJC Scopus subject areas

    • 電子工学および電気工学

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