Ra≦1.0nm1/2 lattice constant of LSAT is 0.3868 nm, which matches well with high temperature superconductors and other high-function oxides. LSAT crystal has larger size and higher crystallinity than SrTiO3, and it does not contain twin crystals as LaAlO3.

Please make use of our substrate for your research.




Composition (LaAlO3)0.3-(SrAl0.5Ta0.5O3)0.7
Crystal system Cubic
Crystal structure Perovskite
Lattice constant a=0.7736 nm (1/a=0.3868 nm)
Melting point 1840 ℃
Density 6.79 g/cm3(20 ℃)
Dielectric constant 22 (27℃,1 MHz)


Standard specs

(Outer size tolerance: ±0.1 mm / Thickness tolerance: ±0.05 mm)
10×10×0.5 t
15×15×0.5 t
(Tolerance: ±0.5°)
Polishing One-side / Both-side
Surface roughness Ra≦1.0 nm, Rmax≦5.0 nm
Options OFF substrate
Breakable substrate

※If you are looking for other specs, please contact us.
※Delivery time (about):
Standard model: 1 week after order
Special model: 1 month or more after order