LSAT (LaAlO3)0.3-(SrAl0.5Ta0.5O3)0.7
LSAT Single Crystal Substrate
LSAT is a lead-free oxide single crystal with a perovskite structure, widely used as a substrate for the growth of oxide epitaxial thin films, particularly for ferroelectrics, superconductors, and ferromagnets.
Characteristics
| Composition | (LaAlO3)0.3-(SrAl0.5Ta0.5O3)0.7 |
|---|---|
| Crystal system | Cubic |
| Crystal structure | Perovskite |
| Lattice constant | a=0.7736 nm (a/2=0.3868 nm) |
| Melting point | 1840 ℃ |
| Density | 6.79 g/cm3(20 ℃) |
| Dielectric constant | 22 (27℃,1 MHz) |
Standard Specs
| Size (Outer size tolerance: ±0.1 mm / Thickness tolerance: ±0.05 mm) |
10×10×0.5 t 15×15×0.5 t |
|---|---|
| Orientation (Tolerance: ±0.5°) |
(100) |
| Polishing | One-side / Both-side |
| Surface roughness | Ra≦1.0 nm Rmax≦5.0 nm |