High-temperature (1-x) BiSc1/2 Fe1/2 O3 -xPbTiO3 piezoelectric ceramics

I. Sterianou, I. M. Reaney, D. C. Sinclair, D. I. Woodward, D. A. Hall, A. J. Bell, T. P. Comyn

    Research output: Contribution to journalArticlepeer-review


    Perovskite-structured ceramics in the (1-x) BiSc12 Fe12 O3 -x PbTiO3 (BSF-PT) system were fabricated for x≥0.45 in which a morphotropic phase boundary (MPB) occurred between rhombohedral and tetragonal phases at x≈0.50 (TC =440 °C). Samples close to the MPB gave piezoelectric and electromechanical coupling coefficients of ∼300 pCN and 0.5, respectively. The low cost of BSF-PT in comparison to (1-x) BiScO3 -x PbTiO3 (BS-PT) coupled with its high TC and usable piezoelectric properties suggests future commercial exploitation. © 2005 American Institute of Physics.
    Original languageEnglish
    Article number242901
    Pages (from-to)1-3
    Number of pages2
    JournalApplied Physics Letters
    Issue number24
    Publication statusPublished - 2005


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