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Nd:SrTiO3 Crystals and Substrates

  • Similar crystal structure to SrTiO3
  • Thickness:0.5/1.0mm or customized
  • Single side or double sides polished optional
  • Typical Orientation of Nb:SrTiO3 substrates: <100>, <110> and <111>
  • Clean package: 1000 grade clean room and 100 grade bags
  • Nd concentration(%):0.05
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Material Nd:SrTiO3 Size(mm) 10×3, 10×5, 10×10, 15×15, 20×15
customized special orientation and size of the substrate is available.
Thickness 0.5mm, 1.0mm Size Tolerance <±0.1mm
Thickness Tolerance(mm) <±0.015mm (special requirement can reach <±0.005mm) Polishing Single or Double surface polished (SSP or DSP)
Orientations <100>, <110>, <111> Redirection Precision ±0.5°
Redirection the Edge 2°(special in 1°)

Basic Properties:

Crystal Structure Cubic Growth Method Flame Method
Lattice Constant a=3.905Å Nb Concentration(%) 0.05%
Melt Point(℃) 2080 Density(g/cm3) 5.122
Hardness(mohs) 6-6.5 Dielectric Constants ε=5.20
Chemical Stability Insoluble in Water Coefficient of Thermal Expansion(/℃) 9.4×10-6
Thermal Expansion Coefficient 10.4×10-6/k Loss Tangent ~5×10-4(300k) ~3×10-4(77k)

Neodymium doped strontium titanate, Nd-doped SrTiO3 single crystal have a similar structure to SrTiO3. Currently We can provide a Nd concentration: 0.05% Nd: SrTiO3 single crystal substrate.