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SrTiO3 substrate

SrTiO3 substrate

Click here for:  Nb-doped SrTiO3 substrate
Click here for:  Fe-doped SrTiO3 substrate
Click here for:  Nd-doped SrTiO3 substrate

Others:  Pr-doped SrTiO3 and W-doped SrTiO3

The main performance parameters

Product Name

Strontium titanate(SrTiO3) single crystal substrate/wafer

Crystal structure

Cubic

Growth method

Vernuil

Lattice constant

a = 3.905Å

Melting point

2080 ℃

Density

5.175 (g/cm3)

Mohs Hardness

Coefficient of thermal expansion (/ ℃)

10.4 × 10-6

Dielectric constant

~300

Chemical stability

Insoluble in water

Loss tangent

~ 5 x 10-4 (300k) ~ 3 x 10-4 (77k)

Appearance

Translucent

Package

Each pieces packed in 100 clean bag with 1000 clean room

 

Standard Specification
Product Name Orientation Standard Size Thickness Polishing  
SrTiO3 substrate <100> ±0.5°
<110> ±0.5°
<111> ±0.5°
Or other off-angle
10x10mm
10x5mm
5x5mm
3x3mm
20x20mm
φ1" x 0.5mm
Or others
0.1mm
0.2mm
0.5mm
1.0mm
2.0mm
Or others
Fine ground
Single side polished
Double side polished

Roughness: Ra<5A(0.5nm)
Inquiry Online

Strontium titanate (SrTiO3) substrate is currently the most widely used high-temperature superconducting film of single crystal. It works with other high-temperature superconducting material such as YBaCuO lattice matching is good, no twin structure, physical, mechanical and excellent performance. Film formation using a variety of techniques (such as magnetron sputtering, pulsed laser deposition, laser molecular beam epitaxy) the production of a variety of high-temperature superconducting thin film can be obtained TCO ≥ 90 ° K, JCO ≥ 106A/cm2 other indicators.  SrTiO3 is also the first choice for high-temperature superconducting junction technology single crystal material.

 

 
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