6.74 G/Cm3 Double Side Polished LSAT Optical Substrate
Brand Name:Crystro
Certification:SGS
Model Number:CR20200309-3
Minimum Order Quantity:1pc
Delivery Time:3-4 weeks
Payment Terms:T/T, Western Union, MoneyGram, Paypal
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LSAT Lanthanum-Strontium Aluminium Tantalate Crystal Substrates
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
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 |
Standard Products | |
Epi -polished substrates <100>ori. ± 0.5o 1or 2 sides polished Ra < 8 Å |
10 x 10 x 0.5mm Special size and orientation is available upon request 5 x 5 x 0.5 mm |
6.74 G/Cm3 Double Side Polished LSAT Optical Substrate
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