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KTaO<sub>3</sub> Potassium Tantalate Crystal Substrates,  MSE Supplies

KTaO3 Potassium Tantalate Crystal Substrates

  • €11495


Product Name Potassium Tantalate Crystal Substrates

Formula

KTaO3

Purity (%) 99.99
CAS Number 12030-91-0
Molecular Weight 268.043 g/mol

Point group

m3m

Cell parameters

0.3984nm

Melting point

1352.2 °C

Density

7.025 g/cm3

Mohs hardness

6

Growth method

Czochralski method, TSSG method

Refractive index

2.226@633nm, 2.152@1539nm

Coefficient of thermal expansion

4.027 x 10-6/K

Thermal conductivity (W/m.K at 300K)) 0.17

Specific heat (J/(K g)

0.378

Transparent wavelength range (nm)

380~4000

Crystal orientation

(100), (110), (111)

Sizes

10x10x0.5mm, 5x10x0.5mm, 5x5x0.5mm, other sizes are available upon request

Surface polishing Single side polishing (SSP) or double side polishing (DSP)
Surface roughness Epitaxial ready surface Ra < 1 nm after CMP

 

References:

Optical Constants of Evaporated Gold and Platinum Films on Potassium Tantalate

VL Rideout, SH Wemple - JOSA, 1966 - osapublishing.org

Preparation of potassium tantalate niobate thin films by chemical solution deposition and their characterization

J Bursik, V Zelezny, P Vanek - Journal of the European Ceramic Society, 2005 - Elsevier

Preparation and infrared characterization of potassium tantalate thin films

Zelezny, J Bursik, P Vanek - Journal of the European Ceramic Society, 2005 - Elsevier