Element Symbol:KTaO3
CAS:12028-71-8
Model:Sup-KTaO3
Shape:Wafer, Disc or ingot
Thickness:[N/A]
Dimension:[N/A]
(Note: Purity, shape, thickness, and dimensions can all be customized)
Potassium Tantalate (KTaO₃) is an inorganic compound classified as a tantalate, known for its excellent electrical and optical properties. It typically exhibits a cubic crystal structure and possesses a high dielectric constant along with low dielectric loss, making it widely applicable in electronics and optoelectronics.
Note: Purity, shape, thickness, and dimensions can all be customized,Please feel free to contact us for more details.
Main Properties:
- Crystal Structure: KTaO₃ has a cubic crystal structure, providing high crystal quality.
- Electrical Properties: Its high dielectric constant and low dielectric loss make it an outstanding dielectric material.
- Optical Properties: KTaO₃ features excellent optical transparency and nonlinear optical characteristics, suitable for use in lasers and optical modulators.
Applications:
1. Substrate Material: Commonly used as a substrate for high-temperature superconductors and oxide semiconductors, aiding in thin film growth.
2. Microwave Devices: Acts as a dielectric material in capacitors and filters, enhancing device performance.
3. Optoelectronic Devices: Utilized in lasers, optical modulators, and optical switches.
4. Quantum Technology: Holds potential applications in quantum computing and spintronics.
Molecular formula | KTaO3 (KT) |
Space group | m3m |
Lattice constant | 0.3984nm |
Melting point | 1352.2℃ |
Density | 7.025 g/cm3 |
Hardness (Mohs) | 6 |
Growth method | Czochralski technology (VCZ) |
Refractive index | 2.226@633nm, 2.152@1539nm |
Coefficient of thermal expansion | 4.027*10-6/K) |
specific heat capacity (room temperature JK-1g-1) | 0.378 |
Transparent band (nm) | 380~4000 |
Regular crystal orientation | <100>;<110>;<111> |
Regular size | 20x20x0.5mm;10x10x0.5mm,5x5x0.5mm Can be customized according to customer needs, special direction and size of the substrate |
Polishing | Single-sided or double-sided, Ra< 5A |
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