KTaO3 monocrystal substrate
KTaO₃ (Potassium Tantalate) monocrystal substrate is known for its high dielectric constant and excellent electro-optic properties, making it ideal for optical devices and millimeter-wave applications. It features low-loss dielectric properties and can be used in superconducting applications at low temperatures.
For inquiry, please give us the following information:
- Size with tolerance (Diameter / Thickness )
- Orientation
- Polishing Side (SSP or DSP )
- Quantity
Typical Properties
| Crystal Structure | Cubic Perovskite a=3.989Å |
| Growth Method | Top seed flux growth |
| Density | 7.015 g/cm3 |
| Melt Point | ~1500 °C |
| Hardness | 6 (Mohn) |
| Thermal Expansion | 10.4 x (10-6/°C) |
| Dielectric Constant | ～300 |
| Thermal conductivity | 0.17w/m.k @ 300K |
| Refractive index | 2.14 |
| Sellenmeyer equation | ho2 -1 =3.591l2 / (l2 –(0.193) 2) |
| (l in mm, from 0.4 – 1.06 mm) |