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LSAT (100) 5x5 x0.5 mm Square Substrate --- 1 side epi polished

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Item Number: LSATa050505S1

Quantity Discounts

10 to 29USD$34.15
30 to 49USD$32.36
50 to 200USD$30.56

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:     <100> +/-0.5 Deg

Sutface Roughness:   CMP polished with min. sub-surface damage , and Ra < 5 A

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 = 3.868A

Growth Method



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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