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SrTiO3 single crystal

SrTiO3 single crystal


The main performance parameters

Crystal structure

Cubic

Growth method

Flame

Lattice constant

a = 3.905Å

Melting point (℃)

2080

Density

5.175 (g/cm 3)

Hardness

6 (mohs)

Coefficient of thermal expansion (/ ℃)

9.4 x 10 -6

Dielectric constant

~300

Chemical stability

Insoluble in water

Loss tangent

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

Color and Appearance

Transparent (sometimes under the annealed condition with a slight brown) 

Size

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

As per customer needs, we can customize special orientation and size of the substrate

Thickness

0.5mm, 1.0mm

Polishing

Single or double side polished

Surface orientation accuracy

± 0.5 °

Edge orientation accuracy

2 ° (special requirements can be achieved within 1 °)

Orientation

<100>, <110>, <111>, etc.

Package

100 clean bag, 1000 clean room

 

Strontium titanate (SrTiO3) is currently the most widely used high-temperature superconducting film of single crystal. Physical, excellent mechanical properties. Use (such as magnetron sputtering, pulsed laser deposition, laser molecular beam epitaxy) produced a variety of high-temperature superconducting thin film (Y-series, Bi-series, La-series) can be obtained TCO ≥ 90 ° K, JCO ≥ 106A / cm2 and other indicators. SrTiO3 is the preferred substrate of single crystal material of a high-temperature superconducting junction technology .

 

 
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