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Strontium Lanthanum Aluminate Wafer LaSrAlO4 Crystal Substrate

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  • item no :

    LaSrAlO4
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    1
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    In Stock
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product details

Strontium Lanthanum Aluminate Wafer LaSrAlO4 Crystal Substrate

Strontium lanthanum aluminate, LaSrAlO4 substrate (single crystals). LaSrAlO4 from melting temperature to a lower temperature all not have luan crystal phase transition, and have the same structure to high-temperature superconductor YBCO, have a low coefficient of thermal expansion than other perovskite structure crystals. it can be able to deposited Films at a lower temperatures,  Thereby improving the lattice mismatch and reduce stress.

 

The main performance parameters

Product Name
LaSrAlO4 single crystal substrate
SrLaAlO4 single crystal substrate
Crystal structure
Tetragonal system
Growth method
Czochralski method
Lattice constant
a=3.756Å   c=12.63 Å
Melt point(℃)
1650
Density
5.92(g/cm3)
Hardness
6-6.5(mohs)
Dielectric constants
ε=16.8
Package
class-100 clean bag,class-1000 clean room

 

Standard Specification
Product Name Orientation Standard Size Thickness Polishing  
LaSrAlO4 substrate <001> ±0.5°
<100> ±0.5°
Or other off-angle
10x10mm
10x5mm
5x5mm

Or others
0.1mm
0.2mm
0.5mm
1.0mm
Or others
Fine ground
Single side polished
Double side polished

Roughness: Ra<5A(0.5nm)
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LaSrAlO4 substrate

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