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首页> 外文期刊>Japanese Journal of Applied Physics. Part 1, Regular Papers, Brief Communications & Review Papers >Dielectric and Piezoelectric Properties of [Bi_(0.5)(Na_(1-x)Li_x)_(0.5)]TiO_3 Lead-Free Ceramics
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Dielectric and Piezoelectric Properties of [Bi_(0.5)(Na_(1-x)Li_x)_(0.5)]TiO_3 Lead-Free Ceramics

机译：[Bi_（0.5）（Na_（1-x）Li_x）_（0.5）] TiO_3无铅陶瓷的介电和压电性能

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摘要

The structural, dielectric and piezoelectric properties of [Bi_(0.5)(Na_(1-x)Li_x)_(0.5)]TiO_3 ceramics were studied in the compositional range of x = 0-0.30. The samples were fabricated by a conventional sintering technique. X-ray diffraction results showed that the ceramics possessed a pure perovskite structure with a rhombohedral symmetry in the range of x = 0-0.2. The scanning electron microscope (SEM) micrographs indicated that the sintering temperature of the ceramics decreased with an increase in the amount x of Li~+. The optimum piezoelectric constant d_(33) and planar electromechanical coupling factor k_p were 110 pC/N and 0.18 at x = 0.15, respectively.
机译：在x = 0-0.30的组成范围内研究了[Bi_（0.5）（Na_（1-x）Li_x）_（0.5）] TiO_3陶瓷的结构，介电和压电性能。样品通过常规烧结技术制造。 X射线衍射结果表明，陶瓷具有纯的钙钛矿结构，且在x = 0-0.2的范围内具有菱形的对称性。扫描电子显微镜（SEM）的显微照片表明，随着Li〜+量x的增加，陶瓷的烧结温度降低。最佳压电常数d_（33）和平面机电耦合系数k_p在x = 0.15时分别为110 pC / N和0.18。

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