Description
Substrate Specifications
- Size: 10x10x 0.5mm +/-0.05mm
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Orientation: (111 ) +/-0.5 Deg
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Growing Method: Bridgman method
- Polish: Two sided 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
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ChemicalComposition: |
( PbMg 0.33 Nb 0.67)1-x: (PbTiO3)x; x=0.29-0.32 |
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Crystalstructure / Lattice |
R3m, Rhombohedral a0 ~~ 4.024 A, (pseudo-cubic, varies with composition |
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Melting Point: |
1280 oC |
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Density |
8.1 g/cm3 |
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Piezoelectric Coefficient |
d33 m >2000 pC/N |
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Coupling Constant |
k33 (longitudinal mode) >92% kt (thickness mode) 59-62% k33' (beam mode) 84-88% |
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Dielectric Constant |
e (at 1kHz after poling) 4000 |
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Dielectric loss |
tan delta < 0.9 |
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Curie temperature: |
135-150 oC |
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Max size |
25 mm x 25 mm x 1- 2 mm thickness along [001], |
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Typical Properties
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