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AEM Deposition

Potassium tantalate (KTaO3)

Potassium tantalate (KTaO3)
Potassium tantalate (KTaO3)


Potassium tantalate (KTaO3) single crystal has stable cubic structure, which mainly used for producing laser modulators, digital deflectors, and semiconductor devices. KTaO3 crystal has no phase transition when the temperature from abousolutely zero to melting point (1645K).

Physical Properties

Material KTaO3
Structure Cubic
Growth Method Czochralski
Hardness 6.0 (Mohns)
Melting point 1352.2℃
Density(g/cm3) 7.025g/cm3
Refractive index  [email protected],   [email protected]
Thermal expansion coefficient 4.027*10-6/K
Transparent wavelength (nm) 380~4000


Size 20x20, 10x10, 5x5
Thickness 0.5 mm
Polished SSP or DSP
Orientation  <100>, <110>, <111>
Redirection precision ±0.5°
Angle of crystalline Special size and orientation are available for request
Ra: ≤5Å(5µm×5µm)


100 clean bag, 1000 exactly clean room
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