Strontium Titanate ( SrTiO3 )

Strontium Strontium Strontium
Strontium Titanat SrTiO3 crystals Strontium Titanat SrTiO3 crystals Strontium Titanat lattice
Strontium    
Strontium Titanat Sr0.94Ca0.06TiO3    
Strontium Strontium  
Strontium Titanat SrTiO3-Mo-Fe Strontium Titanat SrTiO3-Ta  
     
Strontium Titanat - Crystal properties    
Crystal growth method Flame fusion method  
Crystal growth orientation (100)  
Maximum size Up to 2 inch * 4 inch length (conical)  
Variations Bicrystals, (100) 24 / 36 °
This crystals are fused
Other orientations on request
Doped crystals (Fe, Nb, FeNb, W, Ta, V)
Other dopands on request
Strontium Titanat - Crystallographic properties    
Crystallographic structure Cubic a = 3.905 Å  
Twinning structure Twinfree  
Colour Colourless to light yellow  
Strontium Titanat - Physical properties    
Density 5.12 g/cm3  
Melting poin 2080 °C  
Hardness 6 - 6.5 (Mohs)  
Thermal expansion coefficient 9 * 10-6 K-1  
Thermal conductivity 120 milliwatts/cm °C at 100 °C  
Dielectric constant 300  
Dielectric loss tangent (10GRz) 2 * 10-2  
Electrical character Paraelectric above 45°K Ferroelectric below 45°K  
Specific resistivity > 107 Ohm/cm  
Strontium Titanat - Optical properties    
Transmission range 0.395 to 6 µm  
Refraction index nc = 2.380
nd = 2.409
nf = 2.488
 
Dispersion (nf - nc) = 0.108  
X-ray properties    
Bild    
Orientation (100), (110), (111), (305) Other orientations on request
Off orientation 2, 3, 5,10 and 15°
Edge orientation is available
Others on request
(100) +/- 0.1° with/without TiO2 termination