MgAl2O4 Magnesium Aluminate (Spinel) Crystal Substrates
MgAl2O4 magnesium aluminate (spinel) single crystals are widely used in ultrasonic and microwave material and device related epitaxial growth. We also offer polycrystalline spinel optical windows.
Crystal Structure: Cubic
Lattice parameter: a = 8.085 A
Melting point (°): 2130°C
Density: 3.64 g/cm3
Hardness: 8 Mohs
Available orientations: (100), (111), (110) or poly-crystals
Miscut: +/-0.5 degree
Sizes: 1 inch (25mm) diameter, or 10x10x0.5mm, 10x5x0.5mm, other sizes are available upon request
Polishing: Single side polished (SSP) or double side polished (DSP).
Thermal Expansion Coefficient (TEC): 7.45 x 10-6 /K
Package: Packed with class 100 bags in class 1000 clean room.