Influence of Bi-perovskites on the piezoelectric properties of (K0.5Na0.5)NbO3-based lead free ceramics

DOI Web Site Web Site 被引用文献5件 参考文献24件
  • SUZUKI Ryo
    Graduate School of Science and Engineering, Tokyo Institute of Technology
  • URAKI Shingo
    Konica Minolta IJ Technologies, Inc.
  • LI Enzhu
    Graduate School of Science and Engineering, Tokyo Institute of Technology
  • HOSHINA Takuya
    Graduate School of Science and Engineering, Tokyo Institute of Technology
  • TSURUMI Takaaki
    Graduate School of Science and Engineering, Tokyo Institute of Technology

この論文をさがす

抄録

Bi-perovskites, such as BiFeO3 (BF), BiInO3 (BI) and BiScO3 (BS), were added to (Li0.04K0.52Na0.44)(Nb0.84Ta0.1Sb0.06)O3 (LF4) to improve the piezoelectric properties of lead-free piezoelectric ceramics. The addition of Bi-perovskites up to 0.6 mol% did not depress the sinterbility of ceramics and the relative densities above 96% could be achieved by a powders-solid state reaction process. The c/a ratio of the tetragonal lattice of the LF4 ceramics was monotonously reduced with the amount of the BF added. The electrical insulation of the LF4 was improved with the addition BF, making the poling procedure under high electric fields become easy. The addition of BF was also effective to enhance the remnant polarization of the LF4 and the piezoelectric d33 constant of 358 pm/V was obtained by the addition of 0.4 mol% BiFeO3. However, the enhancement of the remnant polarization was not observed when the BI and BS were added to the LF4.

収録刊行物

被引用文献 (5)*注記

もっと見る

参考文献 (24)*注記

もっと見る

キーワード

詳細情報 詳細情報について

問題の指摘

ページトップへ