Pb(Mg_1/3Nb_2/3)O₃–PbTiO₃ (PMN-PT) Material for Actuator Applications

Table 1

The elastic and piezoelectric properties of 0.67PMN-0.33PT single crystals, 0.655PMN-0.345PT ceramics and 0.65PMN-0.35PT thick films on Al₂O₃ substrates.

Coeff.	Unit	Crystals; 0.67PMN−0.33PT; orientation [001] [16]	Ceramics; 0.655PMN−0.345PT; [36]	Thick-films 0.65PMN−0.35PT; [32]	Ceramics PZT-8 [37]
𝑠^𝐸11	10^−12 (m^2N^−1)	69.0	13.5	23.1	11.5
𝑠^𝐸33	10^−12 (m^2N^−1)	119.6	14.5	24.8	13.5
𝑠^𝐸12	10^−12 (m^2N^−1)	−11.1	−4.8	−8.20	−3.7
𝑠^𝐸13	10^−12 (m^2N^−1)	−55.7	−5.9	−10.1	−4.8
𝑠^𝐸44	10^−12 (m^2N^−1)	14.5	31.0	53	31.9
𝑠^𝐸66	10^−12 (m^2N^−1)	15.2	36.6	62.5	35.0
𝑑31	10^−12 (C N^−1)	−1338	−223	−100	−97
𝑑33	10^−12 (C N^−1)	2820	480	140–190 [21, 22, 32, 38, 39]	255