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SrTiO3 single crystal provides a good lattice match to most materials with Perovskite structure. It is an excellent substrate for epitaxial growth of HTS and many oxide thin films. SrTiO3 single crystal has also been used widely for special optical windows and as high quality sputtering target. MTI has the full production line to manufacture first the high purity SrTiO3 powder, then the single crystal boules and finally the epi-polished substrates in many sizes. This allows us to provide SrTiO3 single crystal products with the highest quality and the lowest price to our customers the world over.
Substrate Specifications
Size: 5x5x 0.5mm +/-0.05mm
Orientation: (100) +/-0.5 Deg
Edge orietation Indication: +/-2 Deg avaiable as option with extra cost
Polish: EPI polished by CMP tecnology with less sub-surface lattice damage.
Pack: Packed in 100 grade plastic bag under 1000 class clean room.
Typical Physical Properties
Crystal Structure
Cubic, a=3.905 ??
Growth Method
Vernuil
Density
5.175 g/cm3
Melt Point
2080 oC
Hardness
6 ( Mohn)
Thermal expansion
10.4 (x10-6/ oC)
Dielectric Constant
~ 300
Loss Tangent at 10 GHz
~5x10-4 @ 300K , ~3 x10-4 @77K
Color and Appearance
Transparent (sometimes slightly brown based on annealing condition). No twins.
Chemical Stability
Insoluble in water
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