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LaAlO3 single crystal substrate

KINHENG CRYSTAL MATERIAL(SHANGHAI) CO., LTD

LaAlO3 single crystal substrate

Place of Origin : china
Brand Name : KH-Crystal
MOQ : 1pc
Packaging Details : Al bags
Delivery Time : 15days
Payment Terms : T/T
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Single crystals of lanthanum aluminate (LaAlO3) is the most important industrialized , large-size high-temperature superconducting thin film substrate single crystal material. Its growth with the Czochralski method , 2 inches in diameter and larger single crystal and the substrate can be obtained It's suitable for the production of high temperature superconducting microwave electronic devices (such as long-distance communication in high-temperature superconducting microwave filters , etc.)

properties:


Crystal structure
M6(normal temperature)
M3(>435℃)
Unit cell constant
M6 a=5.357A c=13.22 A
M3 a=3.821 A
Melt point(℃)
2080
Density
6.52(g/cm3)
Hardness
6-6.5(mohs)
Thermal expansion
9.4x10-6/℃
Dielectric constants
ε=21
Secant loss(10ghz)
~3×10-4@300k,~0.6×10-4@77k
Color and appearance
To anneal and conditions differ from brown to brownish
Chemical stability
Room temperature is not dissoluble in minerals, the temperature is greater than 150 ℃ in soluble h3po4
Characteristics
For microwave electron device
Growth method
Czochralski method
Size
10x3,10x5,10x10,15x15,,20x15,20x20,
Ф15,Ф20,Ф1″,Ф2″,Ф2.6″
Thickness
0.5mm,1.0mm
Polishing
Single or double
Crystal Orientation
<100> <110> <111>
redirection precision
±0.5°
Redirection the edge:
2°(special in 1°)
Angle of crystalline
Special size and orientation are available upon request
Ra:
≤5Å(5µm×5µm)
Pack
100 clean bag,1000 exactly clean bag



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