

Add to Cart
MgO single crystal as the dielectric constant and loss microwave band is very small, and can obtain a large area substrate (diameter of 2 inches and larger), it is currently an important industrial HTS thin monocrystalline substrate world.MgO is an excellent single crystal substrate for thin films of Ferro magnetic, Photo-electronic and high Tc superconductor materials.
Features
Applications
Main Specification
Materials | MgO |
Orientation | [100] or [111] < ±0.5° |
Parallel | 10 |
Perpendicular | 5 |
surface Quality | 10/5 |
Wavefront Distortion | /4 @632nm |
Surface Flatness | /8 @632nm |
Clear Aperture | >95% |
Chamfer | <0.1×45° |
Thickness/Diameter Tolerance | ±0.05 mm |
Maximum dimensions | dia 50×100mm |
Coatings | AR/AR@940+1030HR@1030+HT@940+AR1030 |
Material characteristics
Physical and chemicalcharacteristics
Chemical formula | MgO |
Crystal structure | Cube |
Lattice constant | a = 4.130 |
Melting point (℃) | 2800 |
Purity | 99.95% |
Density (g/cm3) | 3.58 |
Hardness | 5.5 (mohs) |
Coefficient of thermal expansion (/ ℃) | 11.2x10-6 |
Crystal cleavage plane | <100> |
Optical transmission | > 90% (200~400nm),> 98% (500~1000nm) |
Permittivity | = 9.65 |
Thermal conductivity (cal / cm sec degree) | 0.14 @300°C |
Standard product
Orientation | End configuration, nm | Thickness, nm | Optical transmission |
[1 0 0] | 5×5 | 0.5 | > 90% (200 ~ 400nm) |
[1 1 1] | |||
[1 0 0] | 1 | ||
[1 1 1] | |||
[1 0 0] | 8×8 | 0.5 | |
[1 1 1] | |||
[1 0 0] | 1 | ||
[1 1 1] | |||
[1 0 0] | 10×10 | 0.5 | |
[1 1 1] | |||
[1 0 0] | 1 | ||
[1 1 1] | |||
[1 0 0] | 15×15 | 0.5 | |
[1 1 1] | |||
[1 0 0] | 1 | ||
[1 1 1] | |||
[1 0 0] | dia 25.4 | 0.5 | |
[1 1 1] | |||
[1 0 0] | 1 | ||
[1 1 1] | |||
[1 0 0] | dia 50.8 | 0.5 | |
[1 1 1] | |||
[1 0 0] | 1 | ||
[1 1 1] |