0.5mm LaAlO3 Crystal Wafers LAO Single Crystal Substrate
Lanthanum aluminate (LaAlO3) single crystal is currentl […]
Lanthanum aluminate (LaAlO3) single crystal is currently the most important industrialized, large-size high-temperature superconducting thin-film substrate single crystal material. It is grown by the Czochralski method, and single crystals and substrates with a diameter of 2 inches and larger can be obtained. It has good matching with high-temperature superconducting materials such as YBaCuO and lattice, low dielectric constant and low microwave loss, so it is suitable for making high-temperature superconducting microwave electronic devices (such as high-temperature superconducting microwave filters in telecommunication, etc.). There are huge reality and potential application prospects.
| Main performance parameters | ||
| Crystal system | Six directions (room temperature) | Cubic (>435℃) |
| Lattice constant | Hexagonal a=5.357A c=13.22 A | Cube a=3.821 A |
| Melting point (℃) | 2080 | |
| density | 6.52 (g/cm 3 ) | |
| hardness | 6-6.5 (mohs) | |
| Thermal expansion coefficient | 9.4×10 -6 /℃ | |
| Dielectric constant | ε=21 | |
| Loss tangent (10ghz) | ~3×10 -4 @300k,~0.6×10 -4 @77k | |
| Color and appearance | Depending on the annealing conditions, the polished substrates from brown to brown have natural twin domains | |
| Chemical stability | Insoluble in mineral acid at room temperature, soluble in h 3 po 4 when the temperature is higher than 150℃ | |
| Features | Suitable for microwave electronics | |
| Growth method | Tirafa | |
| size | 10×3, 10×5, 10×10, 15×15,, 20×15, 20×20, | |
| φ15,φ20,φ1″,φ2″,φ2.6″ φ3″ | ||
| thickness | 0.5mm, 1.0mm | |
| polishing | Single-sided or double-sided | |
| Crystal orientation | ||
| Crystal plane orientation accuracy: | ±0.5° | |
| Edge orientation accuracy: | 2°(Special requirements can reach within 1°) | |
| Bevel wafer | According to specific requirements, wafers with edge-oriented crystal planes inclined at a specific angle (inclination angle 1°-45°) can be processed | |
| Ra: | ≤5Å (5µm×5µm) | |
| Package | Class 100 clean bag, Class 1000 super clean room |
I. If I want to customize, you need to tell me what types do you need?
Such as MgO,STO, GGG and LAO etc. And the size of materials, orientation, related parameters and what you will use it for are also very important information we need to know.
II.There are many kinds of products in our products. The parameters of each product are different. If you want to know any crystal materials, we can provide detailed information. For you to choose.
FAQ
Q: Are you trading company or manufacturer ?
A: We are factory that is fabricating sapphire ＆sic wafers.
Q: How long is your delivery time?
A: Generally it is 3-5 days if the goods are in stock. or it is 7-10 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=5000USD, 100% in advance. Payment>=5000USD, 50% T/T in advance ,balance before shipment.
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