Description
Substrate Specifications
- Size: 10x10x 0.5mm +/-0.05mm
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Orientation: (001 ) +/-0.5 Deg
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Growing Method: Bridgman method
- Polish: One side EPI polished by CMP tecnology with less sub-surface lattice damage.
- Surface finish ( Ra) : < 10A
- Pack: Packed in 100 grade plastic bag under 1000 class clean room.
- Warning: PMNT crystal has a visible twin on a polished surface, which is normal nature .
Typical Properties
-
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]
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