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Nb:SrTiO3 Crystals and Substrates

  • Different electrical resistivity depending on the Nb doping concentration
  • Similar crystal structure to SrTiO3
  • Maxium diameters: Ф2.5″ 
  • Clean package: 1000 grade clean room and 100 grade bags
  • Typical Orientation of Nb:SrTiO3 substrates: <100>, <110> and <111>
  • Nb Concentration (wt%):0.1-1.0
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 Specifications :

Size 10x3, 10x5, 10x10, 15x15, 20x15, 20x20,
Ф15, Ф20, Ф1″, Ф2″, Ф2.6″
Thickness 0.5mm, 1.0mm
Polishing Single or double Crystal Orientation <100>  <110> <111>
redirection Precision ±0.5° Redirection the Edge 2°(special in 1°)
Angle of Crystalline Special size and orientation are available upon request Ra ≤5Å(5µm×5µm)


Basic Properties :

Nb:SrTiO3 A B C D
Nb Concentration (wt%) 1.0 0.7 0.4 0.1
Resistivity Ohm-cm 0.0035 0.0070 0.05 0.08
Migration Rates cm2/vs 9.0 8.5 8.5 6.5
Characteristics Nb:SrTiO3  has a similar structure with SrTiO3,
but the former has electrical conductivity.

Niobium (Nb) doped SrTiO3 (NSTO) single crystal has a similar structure to SrTiO3. NSTO crystals have different electrical resistivity values with depending on the Nb doping concentration. Nb:SrTiO3 is conductive.