Substrates & Bicrystals > Magnesiumoxid Substrate - MgO
Magnesiumoxid Substrate
| Materials properties |
| Structure formula: |
MgO |
|
| State: |
monocrystalline |
| Crystal structure: |
cubic |
| Lattice parameter: |
4.213 Å |
| Density: |
3.58 g/cm3 |
| Melting point: |
2800°C |
| Thermal expansion coefficient: |
14.2 * 10-6/°C |
| Dielectrical constant (εr): |
10 |
| Substrate properties |
| Orientation: |
(100) |
|
| Orientation accuracy: |
£ 0.5° |
| Standard size: |
10mm x 10mm x thickness 1mm or 0.5mm |
| Tolerance of length: |
± 0.10mm (typical better ± 0.05mm) |
| Tolerance of thickness: |
± 0.05mm |
| Parallelness: |
£ 0.02mm |
| Polishing: |
standard: one side |
| Flatness: |
¼ |
| Roughness of surface: |
Rmax £ 5nm (average Ra = 1nm) |
| Scratches: |
none |
| Surface quality: |
with light microscope without defects |
Other sizes and specifications on request