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. Author manuscript; available in PMC: 2018 Feb 1.

Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2016 Oct 20;64(2):311–319. doi: 10.1109/TUFFC.2016.2619687

TABLE I.

Material Properties of Different Active Materials

	k₃₃	k_t	k₃₁	ε_r	N_t	N₃₁
PMN-PT	0.91	0.62	0.51	8266	2002	721
PZT-5H	0.78	0.51	0.43	3400	1975	1421
PZT-4	0.7	0.49	0.33	1300	1958	1646