Nd:SrTiO3

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Technical Parameter

  Nd:SrTiO3

Neodymium-doped strontium titanate has a similar structure to strontium titanate single crystal. At present, we can provide Nd:SrTiO3 single crystal substrates with Neodymium doping concentration of: 0.05%.

Main performance parameters

Crystal structure

Cube

Crystal growth method

Verneuil

Lattice constant

a=3.905Å

Nd concentration (wt%)

0.05%

Melting point(℃)

2080

Density(g/cm3)

5.122(g/cm3)

Hardness

6-6.5(mohs)

Coefficient of thermal expansion(/℃)

9.4×10-6

Dielectric constant

ε=5.20

Chemical stability

Insoluble in water

热膨胀系数

10.4×10E-6/k

Secant loss

~5×10E-4(300k) ~3×10E-4(77k)

Size

5×5m、10×5m、10×10mm、15×15mm、20×20mm

Can be customized according to customer needs, special direction and size of the substrate.

Thickness

0.5mm、1.0mm

Dimensional tolerance

<±0.1mm

Thickness tolerance

<±0.05mm,Special requirements can be met<±0.005mm)

Polishing

Single-sided or double-sided

Crystal orientation

±0.5°

Flat orientation accuracy

2°(Special requirements can reach within 1°)

Crystal orientation

<100>、<110>、<111> etc.

Package

Class 100 clean bag, Class 1000 super clean room

 

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