Effect of Yb Addition on the Sintering Behavior and High Power Piezoelectric Properties of Pb(Zr,Ti)O3-Pb(Mn,Nb)O3.
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0.9Pb(Zr<SUB>0.61</SUB>Ti<SUB>0.39</SUB>)–0.1Pb(Mn<SUB>1⁄3</SUB>Nb<SUB>2⁄3</SUB>)O<SUB>3</SUB> piezoelectric ceramics doped with Yb<SUB>2</SUB>O<SUB>3</SUB> were prepared by conventional ceramic processing, and the effects of the Yb doping on the sintering behavior and high power piezoelectric properties were investigated. X-ray diffractomer (XRD) measurements indicated that the piezoelectric ceramics with Yb<SUB>2</SUB>O<SUB>3</SUB> in this study were a single phase of polycrystalline perovskite. The sintering density was strongly affected by small amount of Yb<SUB>2</SUB>O<SUB>3</SUB> addition. Vibration velocity, which is one of the most important factors for high power piezoelectric applications, as high as 1.0 m/s (rms value), was obtained from the 0.2 mol% Yb<SUB>2</SUB>O<SUB>3</SUB> doped sample. This value is about 2.5 times higher than that for commercialized hard Pb(Zr,Ti)O<SUB>3</SUB> ceramics.
- 公益社団法人 応用物理学会の論文
公益社団法人 応用物理学会 | 論文
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