• MgAl2O4 single crystal substrate
• Size: 35 mm dia x 0.5mm +/-0.05mm
• Orientation: (111) +/-0.5^o
• Polished: One side polished
• Surface roughness: < 5 A
• Packing: 1000 class clean room with 100 class plastic bag

MgAl2O4 ( spinel ) single crystals are widely used for bulk acoustic wave and microwave devices and fast IC epitaxial substrates. It is also found that MgAl2O4 is a good substrate for III-V nitrides device. MgAl2O4 crystal is very difficult to grow, due to the difficulty in maintaining a single phase structure. Following several year of effort, MTI is proud of being able to supply the best quality MgAl2O4 crystal in the world.

	Typical Physical Properties
Crystal Structure	Cubic: a = 8.083 ?0?6?0?6?0?6?0?6?0?6?0?6¥767676767703
Growth Method	Czochralski
Density	3.64 g/cm3
Melt Point	2130 oC
Hardness	8.0 ( Mohns)
Thermal expansion	7.45 (x10-6/ oC)
Phase Velocity	6500 m/s at (100> shear wave
Propagation loss	6.5 dB/ms
Typical growth direction	<100> and <110>