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

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Item Number: LSATa050505S1

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QuantityAmount
50 to 99USD$28.45
100 to 500USD$26.96

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

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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