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Jiangsu
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2018-07-10 09:32
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Area: Jiangsu
address: No.3, Hengda Road, Economic and Technological Development Zone, Nanjing, China
Website: http://www.meta-laser.com/ http://gd201603.sh-zhuanshun.com/
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Description
ScAlMgO4（MgScAlO4，SCAM） crystal is a kind of GaN and ZnO heteroepitaxy recently developed with the ideal substrate material, currently it match the GaN and ZnO best in the new substrate materials.ScAlMgO4 crystals are hexagonal system,which lattice constant a = 0.3246 nm, c = 2.5195 nm, with rhombohedron layered structure, similar to wurtzite nitrides and the structure of zinc oxide.ScAlMgO4 crystal is a kind of ideal substrate material for GaN and ZnO epitaxy, which is theminimum lattice mismatch with GaN and ZnO.
Features
Best lattice match with GaN and ZnO |
HIGH transmisson after polishing |
High slope efficiency |
Applications
| ScAlMg2O4 substrate |
Main Specification
Materials |
ScMgAlO4 |
Orientation |
[0001] or [10-10] < ±0.5° |
Parallel |
10〞 |
Perpendicular |
5ˊ |
surface Quality |
10/5 |
Wavefront Distortion |
λ/4@632nm |
Surface Flatness |
λ/8@632nm |
Clear Aperture |
>95% |
Chamfer |
<0.1×45° |
Thickness/Diameter Tolerance |
±0.05 mm |
Maximum dimensions |
dia 50×100mm |
Coatings |
AR/AR@940+1030；HR@1030+HT@940+AR1030； |
Material characteristics
Physical and chemicalcharacteristics
Properties |
ScMgAlO4 |
Crystal structure |
hexagonal crystal system |
Lattice constant |
a = 0.3246nm, c=2.5195nm |
Density |
3.64 g/cm3 |
Mohs hardness |
4-5 Mohs |
Thermal expansion coefficient |
A=7.45 × 10-6 / ℃ |
Standard product
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