PMNT Substrate (111) 10x10x0.5mm, one side polished

ChemicalComposition:                                    

( PbMg 0.33 Nb 0.67)1-x: (PbTiO3)x; x=0.29-0.32

Crystalstructure / Lattice

R3m, Rhombohedral

a0 ~~ 4.024 A,  (pseudo-cubic, varies with composition

Melting Point:                                        

1280 oC

Density 

8.1        g/cm3

Piezoelectric Coefficient                  

d33 m >2000 pC/N

Coupling Constant                                  

k33        (longitudinal mode)  >92%

kt          (thickness mode) 59-62%

k33'        (beam mode)      84-88%

Dielectric Constant        

e (at 1kHz after poling) 4000

Dielectric loss

tan delta  < 0.9

Curie temperature:

135-150 oC

Max size

25 mm x 25 mm  x 1- 2 mm thickness along [001],