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6.74 G/Cm3 Double Side Polished LSAT Optical Substrate

Categories Single Crystal Substrates
Brand Name: Crystro
Model Number: CR20200309-3
Certification: SGS
Place of Origin: China
MOQ: 1pc
Price: Negotiable
Payment Terms: T/T, Western Union, MoneyGram, Paypal
Supply Ability: 1000pcs/month
Delivery Time: 3-4 weeks
Packaging Details: Carton Package
Polishing: double side polished
Diameter: as you required
Thickness: as you required
Surface finish: < 10A
Type: Round,Square,Flats
Orientation: <100>,<111>
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6.74 G/Cm3 Double Side Polished LSAT Optical Substrate

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 Structurecubic: a = 3.868 Å
Growth MethodCzochralski
Density6.74 g/cm3
Melt Point1840 oC
Thermal expansion10 (x10-6/ oC)
Dielectric Constant~ 22
Color and AppearanceColorless 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


2"- 3''dia x 0.5 mm

10 x 10 x 0.5mm Special size and orientation is available upon request

5 x 5 x 0.5 mm

Quality 6.74 G/Cm3 Double Side Polished LSAT Optical Substrate for sale
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