Strontium lanthanum aluminate (SrLaAlO4), is a perovskite crystal that shares similarities with SrTiO3 but with a more stable structure and fewer defects. SrLaAlO4 crystal has an excellent lattice match with high-temperature superconductor Yttrium Barium Copper Oxide (YBCO) and other perovskite structure superconductors, which makes it advantageous for growing high TC superconducting films. Compared with other perovskite crystals, SrLaAlO4 has lower thermal expansion coefficients, therefore it can be used to grow films at a lower temperature, improving the lattice mismatch and reducing stress. The low dielectric constants make SrLaAlO4 crystals and wafers superior for microwaves and applications of high-frequencies.

Shanghai North Optics provides custom Strontium lanthanum aluminate crystal wafers.