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LaAlO3, (100) ori. 10x10x1.0 mm substrate, 1 side EPI polished


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Item Number: LAOa101010S1

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30 to 49USD$47.45
50 to 100USD$44.95

LaAlO3 single crystal provides a good lattice match to many materials with perovskite structure. It is an excellent substrate for epitaxial growth of high Tc superconductors, magnetic and ferro-electric thin films. The dielectric properties of LaAlO3 crystal are well suitable for low loss microwave and dielectric resonance applications.

Substrate Specifcations:

Typical Physical Properties

Crystal Structure


Pseudo cubic    a=3.792Å 

Growth Method

Czochralski

Density

6.52   g/cm3

Melt Point

2080 oC        

Thermal expansion

 10 (x10-6/ oC)

Dielectric Constant

~ 25 

Loss Tangent at 10 GHz

~3x10-4 @ 300K ,       ~0.6 x10-4 @77K

Color and Appearance

Transparent to Brown based on annealing condition. Visible twins on polished substrate

Chemical Stability

Insoluble in mineral acids at 25 oC and soluble in H3PO3 at> 150 oC

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