Lead-free (K0.5Na0.5)0.95(LiSb)0.05Nb0.95O3-BaTiO3 piezoceramics
Source abstract
Abstract
Lead-free (1-x)(K0.5Na0.5)0.95(LiSb)0.05Nb0.95O3-xBaTiO3 (abbreviated as (1-x)KNNLS-xBT) piezoceramics were synthesized by conventional solid state sintering and the effect of BaTiO3 on the microstructure, dielectric and piezoelectric properties was investigated. It was found that both orthorhombic-tetragonal (T O-T) and tetragonal-cubic (T C) phase transition temperatures decreased obviously with increasing BaTiO3 content. Although proper amount of BaTiO3 facilitated the sintering of (1-x)KNNLS-xBT ceramics, the addition of BaTiO3 affected the relaxor behavior slightly and it was not beneficial to improve piezoelectric strain coefficient d 33, remnant polarization P r and piezoelectric coupling constant k p.
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Research context
OpenAlex topics: Ferroelectric and Piezoelectric Materials · Microwave Dielectric Ceramics Synthesis · Photorefractive and Nonlinear Optics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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