Synthesis and electrical properties of (1-x)(Na0.5Bi0.5)TiO3-xBa(Mg0.5W0.5)O3 piezoelectric ceramics

Takeshi Kimura, Shu Yin, Qiang Dong, Xiaoyong Wu, Ryusuke Akita, Takatoshi Hashimoto, Atsushi Sasaki, Shuji Aisawa, Tsugio Sato

    Research output: Contribution to journalArticlepeer-review

    1 Citation (Scopus)


    (1-x)(Na0.5Bi0.5)TiO3-xBa(Mg0.5W0.5)O3 particles with x=0.00-0.08 were synthesized by a solvothermal approach at 230°C for 48h. The results of X-ray diffraction analysis revealed a rhombohedral-tetragonal morphotropic phase boundary (MPB) composition existed in the range of x=0.05-0.06 at room temperature. The ceramics around the phase boundary composition provide excellent piezoelectric properties, i.e., the highest piezoelectric constant, d33, (108pC/N) could be realized at x value of 0.05. By using a casting sintering method, the ceramics consisted of the oriented rod-like particles with condensed sintering body were obtained, and the piezoelectric properties could be improved to show such a high piezoelectric constant as d33=112pC/N at x value of 0.05.

    Original languageEnglish
    Pages (from-to)20-26
    Number of pages7
    JournalJournal of Asian Ceramic Societies
    Issue number1
    Publication statusPublished - 2014 Mar


    • Morphotropic phase boundary (MPB)
    • Orientation
    • Piezoelectricity
    • Solvothermal approach

    ASJC Scopus subject areas

    • Ceramics and Composites


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