(1- x)K0.5Na0.5(Nb0.95Ta0.05)O3-x(Bi0.5Yb0.5)0.95Li0.05ZrO3 陶瓷的性能

尹奇异, 张梦军, 斯凡, 林飞

Structure and Properties of a Novel Piezoelectric Zirconate-modified K0.5Na0.5(Nb0.95Ta0.05)O3 Ceramics

YIN Qiyi, ZHANG Mengjun, SI Fan, LIN Fei

表1 陶瓷(1-x)KNNT- xBYLZ的晶体结构参数

Table 1 Crystal structure parameters of (1-x) KNNT-xBYLZ ceramics

x Phase Proportion SG α = (β = γ) a / nm b / nm c / nm c/a 0.01 O 44.5% Amm2 90° 0.563 0.395 0.567 T 55.5% P4mm 90° 0.400 0.400 0.396 0.9925 0.02 O 13.0% Amm2 90° 0.567 0.396 0.564 T 87.0% P4mm 90° 0.398 0.398 0.397 0.9975 0.03 R 9.1% R3c 90° 0.564 0.564 1.384 O 3.5% Amm2 90° 0.398 0.569 0.571 T 87.4% P4mm 90° 0.397 0.397 0.402 1.0126 0.04 R 17.3% R3c 90° 0.580 0.580 1.438 O 3.1% Amm2 90° 0.567 0.396 0.566 T 88.6% P4mm 90° 0.397 0.397 0.401 1.0100