Evolution of relaxor ferroelectric behavior of poly(vinylidene fluoride trifluoroethylene chlorofluoroethylene) terpolymer nanorods

Jun Hong Lin, S. G. Lu, M. Lin, Markus Geu, Q. M. Zhang

    Research output: Contribution to journalArticlepeer-review

    6 Scopus citations

    Abstract

    The evolution of relaxor ferroelectric behavior of poly(vinylidene fluoride trifluoroethylene chlorofluoroethylene) [P(VDF-TrFE-CFE)] terpolymer nanorods with diameters reduced from 200 to 25 nm was investigated. It was observed that all the nanorods studied exhibited relaxor ferroelectric behavior, as characterized by the dielectric peak shifting toward high temperatures with increasing frequency. The frequency-permittivity peak temperature characteristics fit well with the Vogel-Fulcher (VF) relation. Moreover, the freezing temperature in the VF relation decreased with the reduction of nanorod diameter, indicating that the scaling down of the lateral size of nanorods influenced the relaxor ferroelectric behavior of the terpolymer.

    Original languageEnglish (US)
    Article number022911
    JournalApplied Physics Letters
    Volume95
    Issue number2
    DOIs
    StatePublished - 2009

    All Science Journal Classification (ASJC) codes

    • Physics and Astronomy (miscellaneous)

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