BaTiO3	NKN 50/50	PZT
TC [°C]	120	420	300~400
d33 [pC/N]	190	100~416	200~500
d31 [pC/N]	78	30~152	130
epsilon 1 kHZ	1500~6000	200~500	1000~4000

Dielectric and Piezoelectric Properties of some Perovskites

References:

1. M.E. Lines and A.M. Glass: Principles and applications of ferroreletrics and related materials, Edited by: W. Marshall and D.H. Wilkinson, The international Series of Monographs on Physics, Clarendon Press, Oxford, 1979
2. J. S. Lee, H. J. Lee, J. Y. Lee, S. H. Kang, I. W. Kim, C. W. Ahn, and G. S. Chung, J. Korean Phys. Soc. 52, 1109 (2008)
3. J. S. Kim, I. R. Hwang, S. H. Hong, J. H. Lee, B. H. Park, A. C. Woo, and N. Sahn, J. Korean Phys. Soc. 48, 1583
   2006
4. K. Shibata, F. Oka, A. Ohishi, T. Mishima, and I. Kanno, Appl. Phys. Express 1, 011501 (2008)