Skip to main content
. Author manuscript; available in PMC: 2010 May 11.
Published in final edited form as: Ultrasonics. 2008 Dec 3;49(3):395–398. doi: 10.1016/j.ultras.2008.11.003

Table 1.

Piezoelectric materials parameters

Material kt ε33S/ε0 d33
(pC/N)		 ρ
(g/cm3)		 c
(m/s)		 tan
(δ)		 Z
(MRayl)
KNLNT-0.03/0.1 0.42 890 245 4544 6875 4.5 31
PMN-33%PT[12] 0.58 797 1430 8000 4608 0.5 37
PbTiO3[13] 0.49 200 50 6900 5200 1 35.9

kt is the thickness mode electromechanical coupling coefficient; ε33S/ε0 is the clamped dielectric constant; ρ is the density, c is the longitudinal wave velocity; tan(δ) is the dielectric loss and Z is the acoustic impedance.