Element Symbol:MgO
CAS:1303-00-0
Model:Sup-MgO
Shape:Wafer, Disc or ingot
Thickness:[N/A]
Dimension:[N/A]
(Note: Purity, shape, thickness, and dimensions can all be customized)
Magnesium oxide (MgO) single crystal substrates are widely used in many thin film technology fields. Such as the production of magnetic films, semiconductor films, optical films and high-temperature superconducting films.
Note: Purity, shape, thickness, and dimensions can all be customized,Please feel free to contact us for more details.
Main performance parameters | |
Crystal growth method | Special Arc Melting |
Crystal structure | Cube |
Lattice constant | a=4.130 Å |
Melting point(℃) | 2800(℃) |
Purity | 99.95% |
Density(g/cm3) | 3.58(g/cm3) |
Hardness | 5.5(mohs) |
Coefficient of thermal expansion | 11.2x10-6(/℃) |
Cleavage plane | <100> |
Optical Transmission | >90%(200~1000nm) |
Dielectric constants | ε= 9.65 |
thermal conductivity | 36 W/m.k @ 300°K |
Size | 5x5,10x10,20x20,30x30mm ,Ø50.8 mm |
Thickness | 0.5mm,1.0mm |
Polishing | Single-sided or double-sided |
Crystal orientation | <001>, <110>,<111> |
Crystal plane orientation accuracy | ±0.5° |
Edge orientation accuracy | 2°(Special requirements can reach within 1°) |
Ra: | ≤5Å(5µm×5µm) |
Package | Class 100 clean bag, Class 1000 super clean room |
Physical Properties:
- Melting Point: About 2852°C, showcasing high thermal stability.
- Electrical Conductivity: MgO is a good insulator with low electrical conductivity.
- Thermal Conductivity: It exhibits relatively high thermal conductivity, making it suitable for high-temperature applications.
Applications:
1. Semiconductor Substrates: MgO is commonly used as a substrate for high-temperature superconductors and other oxide semiconductors.
2. Insulation Material: Due to its excellent insulating properties, MgO is used in electrical insulation layers.
3. Optical Applications: In optical devices, MgO can function as window materials and mirrors.
4. Catalyst Support: MgO serves as a support for catalysts in certain catalytic reactions.
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