Description
ChemicalComposition: |
( PbMg 0.33 Nb 0.67)1-x: (PbTiO3)x; x=0.29-0.32 |
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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] |
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