Lanthanum Aluminate – Strontium Aluminium Tantalate is a hard, optically transparent ceramic oxide. Its most common use is as a single crystal substrate for the growth of epitaxial thin films.
Materials properties
| Formula: | (LaAlO3)0.3 – (Sr2AlTaO6)0.7 |
| Crystal Growth | |
| Growth Method: | Czochralski |
| Max. Diameter | Ø2″ |
| Crystallographic Properties | |
| Crystal Structure: | Cubic: a = 0.7737 nm |
| Color: | Colorless to Light Yellow |
| Physical Properties | |
| Density: | 6.74g cm-3 |
| Melting Point: | 2113K |
| Thermal Expansion (10-6K-1): | 10 |
| Dielectric Constant: | 22 |
| Loss Tangent (@ 77K, 8.8GHZ): | 2×10-4 |
Other sizes and specifications on request