Overview
| brand | Dihedron | model | LAALO1 |
| Batch number | 2569T | encapsulation | LAALO2 |
| packing | Class 100 clean bag, Class 1000 ultra clean room | Minimum packaging quantity | one |
| Crystalline system | Hexagonal (normal temperature) cubic meter (>435 ℃) | melting point | 2080 ℃ |
| Lattice constant | Hexagonal a=5.357A c=13.22 A Hexagonal a=5.357A c=13.22 A | density | 6.52 (g/cm3) |
| hardness | 6-6.5 (mohs) | Coefficient of thermal expansion | 9.4x10-6/℃ |
| Dielectric constant | ε= twenty-one | Tangent loss (10ghz) | ~3 × 10-4@300k ,~0.6 × 10-4@77k |
| chemical stability | Insoluble in mineral acids at room temperature, soluble in h3po4 at temperatures greater than 150 ℃ | size | 10x3, 10x5, 10x10, 15x15, 20x15, 20x20, Ф 15, Ф 20, Ф 1 ″, Ф 2 ″, Ф 2.6 ″ |
| thickness | 0.5mm, 1.0mm | polishing | Single or double sided |
| Crystallographic orientation | <100><110><111> | Precision of crystal orientation | <± 0.5 ° |
| Edge orientation accuracy | 2 ° (up to 1 ° for special requirements) | Ra | 2 ° (up to 1 ° for special requirements) |
| Color and appearance | Depending on the annealing condition, the polished substrate from brown yellow to brown has natural twin domains | Saleable land | nationwide |
Product Details
Lanthanum aluminate is an important crystal material with good dielectric property, high dielectric constant and high thermal stability. Therefore, Lanthanum aluminate has broad application prospects in electronics, optics, energy and other fields.
For example, in the field of electronics, Lanthanum aluminate can be used as a thin film dielectric layer to manufacture ceramic microwave dielectric devices with high dielectric constant; In the field of optics, Lanthanum aluminate can be used as a highly transparent UV light barrier film, which is widely used in optoelectronic devices such as lasers and photo Photophore; In the energy field, Lanthanum aluminate can be used as the cathode material of fuel cells to improve the emf efficiency of fuel cells.
application
Make High-temperature superconductivity microwave electronic devices (such as Tongxin High-temperature superconductivity RF and microwave filter).
characteristic
• Lanthanum aluminate (GaAlO3) is a photoelectric material with excellent performance, which is usually used as a substrate material.
• The lattice parameters of Lanthanum aluminate crystal are close to some important semiconductor materials (such as GaN), which makes it an ideal substrate for growing these materials.
• Lanthanum aluminate crystal has high melting point and hardness, shows good thermal stability, and is suitable for high temperature growth and processing conditions.
This crystal has excellent optical transparency, especially in the ultraviolet region, and can be used to prepare ultraviolet optoelectronic devices.
• The dielectric constant of Lanthanum aluminate crystal is moderate, which makes it have application potential in microelectronics and RF equipment.
• Good match with High-temperature superconductivity materials and lattice (such as YBaCuO).
It has low dielectric constant and low microwave loss.
