LSAT (100) 5x5 x0.5 mm Square Substrate --- 2 side epi polished
LSAT (100) 5x5 x0.5 mm Square Substrate --- 2 side epi polished
LSAT (LaAlO3)0.3 (Sr2AlTaO6)0.7 is a newly developing crystal with peroviskite structure and twin-free. LSAT has excellent lattice match with high Tc superconductors and many oxide materials. LSAT has lower melting point and can be grown by CZ technology at lower cost, therefore, it is expected to replace LaAlO3 and SrTiO3 as a common single crystal substrate for epitaxial oxide thin films for gain magnetic ferro-electronic and superconductive devices
Substrate Specifications: Size: 5 x 5 x 0.5 mm +/-0.05 mm Orientation: +/-0.5 Deg Sutface Roughness: CMP polished with min. sub-surface damage , and Ra Package: Packing in 1000 class clean room with 100 grade clean plastic bag
Typical Physical Properties
Chemical Formula
( LaAlO3)0.3 (Sr2AlTaO6)0.7 or ( La0.18Sr0.82)(Al0.59Ta0.41)O3
Crystal Structure
cubic: a = 3.868 Å
Growth Method
Czochralski
Density
6.74 g/cm3
Melt Point
1840 oC
Thermal expansion
10 (x10-6/ oC)
Dielectric Constant
~ 22
Color and Appearance
Colorless to light brown based on annealing condition No twin and domain visible
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