MgAl2O4 Substrates
Cubic Crystal Structure: Provides high mechanical strength and structural stability.
Wide Spectral Optical Transmittance: Exhibits optical transmittance over a wide range from UV to IR.
Low Dielectric Loss: Suitable for high-frequency applications due to minimal energy loss.
Applications: Optical and Photonic Devices, Bulk Acoustic Wave and Microwave Devices, Epitaxial Growth of III-V Nitrides, GaN Laser Diodes (LD) Cavities, etc.
Magnesium Aluminate, also known as spinel, is a single crystal with a cubic crystal structure. This material exhibits excellent mechanical, thermal, and chemical stability, making it highly versatile for various advanced applications.
Specifications:
| Main performance parameters | |
| Crystal structure | cube |
| Lattice constant | a=8.085Å |
| Melting point (°C) | 2130℃ |
| density | 3.64g/cm3 |
| Mohs hardness | 8 Mohs |
| color | White and transparent |
| Propagation Loss (9GHz) | 6.5db/us |
| Crystal orientation | < 100 >, < 110 >, < 111> tolerance: +/-0.5 degrees |
| size | dia2″x0.5mm, 10x10x0.5mm, 10x5x0.5mm |
| polished | Single-sided or double-sided |
| Coefficient of thermal expansion | 7.45×10-6/℃ |
| wrap | Class 100 clean bag, Class 1000 clean room |
Key Features:
- Cubic Crystal Structure: Provides high mechanical strength and structural stability.
- Wide Spectral Optical Transmittance: Exhibits optical transmittance over a wide range from UV to IR.
- Low Dielectric Loss: Suitable for high-frequency applications due to minimal energy loss.
Applications:
1.Optical and Photonic Devices:
- Ideal for optical components due to its wide spectral transmittance and stability.
- Used in lenses, windows, and other photonic applications.
2.Bulk Acoustic Wave and Microwave Devices:
- Excellent substrate for devices operating at high frequencies.
3.Epitaxial Growth of III-V Nitrides:
- Fast epitaxial growth substrate for materials like GaN, used in integrated circuits (ICs).
- Moderate cost compared to other substrates for similar applications.
4.GaN Laser Diodes (LD) Cavities:
- MgAl2O4 is cleaved on the (100) plane, facilitating the creation of GaN LD cavities by cleaving along this direction.
Kingwin Optics provides high-quality MgAl2O4 wafers, both in stock and custom options, ensuring that you have the right substrate for your optical, photonic, and epitaxial growth needs. Our MgAl2O4 substrates are prepared with precision to support advanced technological applications, ensuring optimal performance and reliability.
