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SrTiO3 substrate

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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	6
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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SrTiO3 substrate

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