We can provide high temperature superconducting thin film substrate , magnetic thin films and ferroelectric thin film substrate , semiconductor crystal , optical crystal , laser crystal materials ,at the same time provide orientation and foreign universities and research institutes to provide high quality ( ultra smooth ,ultra smooth , ultra clean)
LaAlO3 Single Crystal
Typical Physical Properties:
| Crystal Structure | Cubic at >435°C a=3.821Å |
| Rhombohedral at 25 °C a=3.79Å c=13.11Å | |
| Growth Method | CZ |
| Density | 6.52 g/cm3 |
| Melt Point | 2080 °C |
| Hardness | 6 (Mohn) |
| Thermal Expansion | 10 x (10-6/°C) |
| Dielectric Constant | ～25 |
| Loss Tangent at 10 GHz | ～3 x 10-4@300K , ～0.6 x 10-4@77K |
| Color and Appearance | Tan to Brown based on annealing condition |
| Visible twins on polished substrate. | |
| Chemical Stability | Insoluble in mineral acids at 25 oC and soluble in H3PO3 at> 150 oC |
Xrd and Rocking Curve:
Orientation: <100>+/-0.5degree
Orientation: <110>+/-0.5degree
Orientation: <111>+/-0.5degree
Please send us your request with below details to " sales@mdlmaterials.com"
1. Size （Length / Width / Thickness)
2. Orientation
3. Polishing Side (SSP or DSP )
