Custom made Lithium Aluminate Crystal (LiAlO2) single crystal substrate

The lattice mismatch rate between lithium aluminate single crystal and gallium nitride is very small (1.4% for lithium aluminate), making it a high-quality substrate for gallium nitride thin films.
  • Item NO.:

    GS-C022
  • Payment:

    L/C、 Western Union、 D/P、 T/T
  • Product Origin:

    Anhui, China
  • Max Size:

    Dia50mm
  • Orientation:

    <001>、<110>、<111>
  • Package:

    100 clean bag,1000 exactly clean bag
  • Product Detail

  • Process flow

  • Packaging

  • Transportation

  • FAQ

Thin film substrate

The lattice mismatch rate between lithium aluminate single crystal and gallium nitride is very small (1.4% for lithium aluminate), making it a high-quality substrate for gallium nitride thin films.
Main performance parameters
Crystal structure
Quartet
Lattice constant
a=5.17 A c=6.26 A
Melting point (℃)
1900
density
2.62 (g/cm 3 )
hardness
7.5 (mohs)
Mismatch rate with GaN<001>
1.4%
size
10x3, 10x5, 10x10, 15x15,, 20x15, 20x20,
Ф15,Ф20,Ф1″,Ф2″,Ф2.6″
thickness
0.5mm, 1.0mm
polishing
Single-sided or double-sided
Crystal orientation
<100> <001>
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

Q: Are you trading company or manufacturer ?
     We are factory.
Q: How long is your delivery time?
    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 ?
    Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
     Payment <=5000USD, 100% in advance.
     Paymen >=5000USD, 80% T/T in advance , balance before shippment.
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