Strontium titanate single crystal
- Formula : SrTiO3
- Crystal structure : Cubic system, Perovskite structure, a = 3.905 Å
- Color : colorless to lightyellow
- No twin
- Density : 5.175 grams / cm3
- Melting point : 2080°C
- Hardness :6 Mohs
- Thermal expansion coefficient : 11.1 X 10-6 / K
- Dielectric constant : 310
- Growth Technique : Verneuil
- Orientation : (100) (110) (111)± 0.3°
- Polish : one side EPI polished, both sides polished (option)
- Purity : 4 Nines
- Size tolerance : ± 0.1mm
- Thickness tolerance : ;± 0.05mm
- Parallelness : <= 0.02
- Flatness : λ/4, λ/2 (λ=633 nm)
- Polishing roughness : Ra < 0.5nm
- Scratch and dig : None
- Surface Quality : Without defects under light microscope
| Orientation | Size | Polish |
|---|---|---|
| SrTiO3(100) | 10 X 10 X 0.5mm3 | one side / both sides |
| SrTiO3(110) | 10 X 10 X 0.5mm3 | one side / both sides |
| SrTiO3(111) | 10 X 10 X 0.5mm3 | one side / both sides |
