Electromechanical properties of electrostrictive poly(vinylidene fluoride-trifluoroethylene) copolymer

Xing Zhong Zhao, Vivek Bharti, Q. M. Zhang, T. Romotowski, F. Tito, R. Ting

    Research output: Contribution to journalArticlepeer-review

    84 Scopus citations


    We report a large electrostrictive strain in electron irradiated poly(vinylidene fluoride-trifluoroethylene) copolymer at a composition with 65 mol% vinylidene fluoride, which also exhibits a large ratio of strain to applied field (∼275 pm/V). The strain response is nearly independent of the external driving condition (unipolar or bipolar field) and does not change with temperature in about 20°C temperature range near room temperature. Moreover, near room temperature, the material can reach a relatively high quasistatic longitudinal electromechanical coupling factor k33∼0.33.

    Original languageEnglish (US)
    Pages (from-to)2054-2056
    Number of pages3
    JournalApplied Physics Letters
    Issue number14
    StatePublished - 1998

    All Science Journal Classification (ASJC) codes

    • Physics and Astronomy (miscellaneous)


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