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 point	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
Strontium Titanate lattice	Strontium Titanate SrTiO3-Mo-Fe	Strontium Titanate SrTiO3-Ta