KTaO3 Potassium Tantalate Crystal Substrates
| 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
J Bursik, V Zelezny, P Vanek - Journal of the European Ceramic Society, 2005 - Elsevier
Preparation and infrared characterization of potassium tantalate thin films
V Zelezny, J Bursik, P Vanek - Journal of the European Ceramic Society, 2005 - Elsevier
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