6.52g/cm³ LaAlO3 Round Thin Film Wafer Crystals - Double Side Polished, 3" Diameter, 0.5-1.0mm Thickness
Price:
Negotiable
MOQ:
1pc
Delivery Time:
3-4 weeks
Brand:
Crystro
Product Description
Product Overview
LaAlO3 (Lanthanum Aluminate) round thin film wafer crystals with double-side polishing, featuring a density of 6.52 g/cm³. These high-temperature superconducting single crystal substrates are ideal for epitaxial growth applications in advanced electronic devices.
Technical Specifications
| Parameter | Value |
|---|---|
| Crystal Structure | M6 (normal temperature) | M3 (>435℃) |
| Unit Cell Constant | M6: a=5.357A c=13.22A | M3: a=3.821A |
| Melting Point | 2080℃ |
| Density | 6.52 g/cm³ |
| Hardness | 6-6.5 mohs |
| Thermal Expansion | 9.4×10⁻⁶/℃ |
| Dielectric Constant | ε=21 |
| Secant Loss (10GHz) | ~3×10⁻⁴@300K, ~0.6×10⁻⁴@77K |
| Available Diameters | Ф15, Ф20, Ф1″, Ф2″, Ф2.6″, Ф3″ (up to 3 inches) |
| Thickness Options | 0.5mm, 1.0mm |
| Polishing | Single or double side |
| Crystal Orientation | <100>, <110>, <111> |
| Orientation Precision | ±0.5° |
| Surface Roughness (Ra) | ≤5Å (5µm×5µm) |
Material Properties
- Color: Brown to brownish (varies with annealing conditions)
- Chemical Stability: Insoluble in mineral acids at room temperature, soluble in H₃PO₄ above 150°C
- Growth Method: Czochralski method
- Packaging: Class 100/1000 clean bags
Key Advantages
- Small dielectric constant for optimized performance
- Low dielectric loss for efficient operation
- Excellent lattice matching capabilities
- Small thermal expansion coefficient for dimensional stability
- Superior chemical stability in various environments
- Wide energy gap for advanced applications
- Large specific surface area for enhanced functionality
- Good thermal stability under high-temperature conditions
Applications
Electronic devices, catalysis systems, high-temperature fuel cells, advanced ceramics, wastewater treatment, and substrate materials for epitaxial growth of high-temperature superconducting thin films and giant magnetic thin films.
Customization Available: Special sizes, orientations, and specifications can be customized upon request to meet specific application requirements.
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
ANHUI CRYSTRO CRYSTAL MATERIALS Co., Ltd.
Location
No. 176, Yuner Rd, Yunhai Rd Industrial Park, Baohe District，Hefei City，Anhui Province
Contact Person
Wu