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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

Crystal structure

Cubic

Growth method

Vernuil

Lattice constant

a = 3.905Å

Melting point

2080 ℃

Density

5.1 75 (g / cm 3)

Hardness

6 (mohs)

Coefficient of thermal expansion (/ ℃)

9.4 × 10 -6

Dielectric constant

300

Chemical stability

Insoluble in water

Loss tangent

~ 5 × 10 -4 (300k) ~ 3 × 10 -4 (77k)

Appearance

Translucent

Orientation

<100>, <110>, <111>
Or others

Standard dimension

10 x 3mm, 10 x 5mm, 10 x 10mm, 15 x 15mm, 20 x 20mm

Dia. 1"

Standard Thickness

0.5mm, 1.0mm

Polishing

Single or double side polished

Crystal face orientation accuracy

± 0.5 °

Edge orientation accuracy

2 ° (Can reach within 1 °)

Package

100 clean bag, 1000 clean room

 

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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