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Effects of Bi3+ Doping on the Optical and Electric-Induced Light Scattering Performance of PLZT (8.0/69/31) Transparent Ceramics

机译:Bi3 +掺杂对PLZT(8.0 / 69/31)透明陶瓷的光和电诱导光散射性能的影响

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摘要

Lanthanum modified lead zirconate titanate (abbreviated as PLZT) Electro-Optical ceramics with various Bi concentration were prepared by a hot-press process. The PLZT ceramic samples all present a single perovskite structure with no second phase detected. Bi3+ ion was considered to mainly enter the A-site of perovskite ABO3 structure of PLZT ceramics by the X-Ray Diffractionanalysis. The maximum permittivity (εm) of the PLZT samples decreased obviously as Bi concentration increased, while their remnant polarization (Pr) decreased slightly. In particular, the PLZT sample with 0.14 wt% Bi doping presented a higher optical transmittance 61.8% (λ = 633 nm), and its electric-induced light scattering performance was found to be improved obviously, the maximum light deduction value of ~47.6% was obtained.
机译:通过热压工艺制备了镧改性的钛酸锆钛酸铅(简称PLZT)具有不同Bi浓度的光电陶瓷。 PLZT陶瓷样品均呈现单一钙钛矿结构,未检测到第二相。 X射线衍射分析认为Bi 3 + 离子主要进入PLZT陶瓷的钙钛矿型ABO3结构的A位。随着Bi浓度的增加,PLZT样品的最大介电常数(εm)明显降低,而其残余极化(Pr)则略有下降。特别是,Bi掺杂量为0.14 wt%的PLZT样品具有更高的透光率61.8%(λ= 633 nm),并且发现其电致光散射性能得到明显改善,最大光导值为〜47.6%。获得了。

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