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 all over the world.

Substrate Specifications

• Size:          10x10x 0.5mm  +/-0.05mm
• Orientation:   (111) +/-0.5 Deg
• Polish:           EPI polished by CMP tecnology with less sub-surface lattice damage.  
• Surface finish( RMS or Ra): <5A
• Pack:         Packed in 100 grade plastic bag under 1000 class clean room.
  

  	Typical Physical Properties
  Crystal Structure	Cubic, a=3.905Å
  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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