Uniaxial stress dependence of electromechanical and dielectric properties of 0.9PMN-0.1PT electroceramics

J. Zhao, Qiming Zhang, V. Mueller

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    Abstract

    The piezoelectric and dielectric coefficients d33 and K33 obtained in the electric DC biased state of electrostrictive 0.9PMN-0.1PT electroceramics show a pronounced dependence on the value of the uniaxial stress T1 applied perpendicular to the electric field. This effect was attributed to the influence of T1 on the response of micro-polar regions and on the field induced transformation between the micro-polar and macro-polar state of 0.9PMN-0.1PT. The application of mechanical prestress T1 makes it possible to elevate the upper temperature limit for the use of the electroceramic in technical applications.

    Original languageEnglish (US)
    Pages (from-to)361-364
    Number of pages4
    JournalIEEE International Symposium on Applications of Ferroelectrics
    StatePublished - 1998

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    All Science Journal Classification (ASJC) codes

    • Engineering(all)
    • Materials Science(all)

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