On the synthesis and dielectric studies of (1 - x)Bi(Mg1 / 2Zr1 / 2)O3 - xPbTiO3 piezoelectric ceramic system

A. H. Qureshi, G. Shabbir, D. A. Hall

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Scandium free piezoelectric ceramics of the composition (1 - x)Bi(Mg1 / 2Zr1 / 2)O3 - xPbTiO3 (BMZ - xPT) were fabricated by the solid state reaction method. Dielectric and structural properties were measured and phase diagram was constructed from the temperature dependent dielectric and impedance data. The morphotropic phase boundary (MPB) was found to be located in the range 0.55 <x <0.60 with paraelectric-ferroelectric phase transition temperature, TC (∼ 280 °C). The ceramics near the MPB showed high room temperature dielectric constant (∼ 1387). The room temperature values of the remanent polarization (Pr) and coercive filed (EC), were ∼ 29 μC/cm2 and ∼ 23 kV/cm, respectively. © 2007.
    Original languageEnglish
    Pages (from-to)4482-4484
    Number of pages2
    JournalMaterials Letters
    Volume61
    Issue number23-24
    DOIs
    Publication statusPublished - Sept 2007

    Keywords

    • Dielectric permittivity
    • Morphotropic phase boundary
    • Piezoelectric ceramics

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