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AEM Deposition

Strontium Lanthanum Aluminate (LaSrAlO4)

Strontium Lanthanum Aluminate (LaSrAlO4)
Strontium Lanthanum Aluminate (LaSrAlO4)


Strontium Lanthanum Aluminate (LaSrAlO4) single crystal substartes are growing for Czochralski method. It has no phase transition from melting temperature to a lower temperature. LaSrO4 crystal has same structure with YBCO crystal, but It has lower thermal expansion and expansion coefficient than other perovskite structures. So it can be used to grow films at a lower temperature to improve lattice mismatch and reduce stress.

Physical Properties

Material LaSrAlO4
Structure M4
Lattice (A) a=3.756, c=12.63
Growth Method Czochralski
Melting point 1650℃
Density(g/cm3) 5.92g/cm3
Hardness 6-6.5 (Mohns)
Permittivity ε = 16.8


Size 10x3, 10x5, 10x10, 15x15, 20x20,Dia 15 mm, Dia 20 mm, Dia 1'', Dia 2''
Thickness 0.5 mm, 1.0 mm
Polished SSP or DSP
Orientation  <001>
Redirection precision ±0.5°
Redirection the edge 2°(special in 1°)
Angle of crystalline Special size and orientation are available for request
Ra: ≤5Å(5µm×5µm)


100 clean bag, 1000 exactly clean room
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