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AEM Deposition

Magnesium Aluminate (Spinel) (MgAl2O4)

Magnesium Aluminate (Spinel) (MgAl2O4)
Magnesium Aluminate (Spinel) (MgAl2O4)


Magnesium Aluminate (Spinel) (MgAl2O4) is a single crystal, which widely used for bulk acoustic wave and microwave devices and fast IC epitaxial substates. It's not easy to grow MgAl2O4 crystal beacuse of the difficulty in maintaining a single phase structure.

Physical Properties

Material MgAl2O4
Structure Cubic
Lattice (A) a=8.085
Growth Method Czochralski
Hardness 8.0 (Mohns)
Color White and transparent
Melting point 2130
Density(g/cm3) 3.64 g/cm3
Phase Velocity 6500 m/s at (100) shear wave
Propagation loss 6.5 dB/ms
Thermal expansion 7.45 (x 10-6/)


Size 10x5, 10x10, 20x20,Dia 2''
Thickness 0.5 mm, 1.0 mm
Polished SSP or DSP
Orientation <100>, <110>, <111>
Redirection precision ±0.5°
Redirection the edge 2°(special in 1°)
Angle of crystalline Special size and orientation are avaiable for request
Ra: ≤5Å(5µm×5µm)


100 clean bag, 1000 exactly clean room
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