Potassium tantalate substrates are single-crystal substrate materials with a perovskite crystal structure, characterized by a complete lattice and high surface quality. These substrates are widely used in epitaxial thin film growth, interface property research, and the development of novel oxide devices.
We offer KTaO3 substrates in various orientations and sizes, and support custom processing. Please contact us for detailed technical parameters.
Complete Single-Crystal Structure
Stable Lattice Constant
High Surface Polishing Quality
Suitable for Epitaxial Growth
Flexible Orientation Specifications
Good Batch Consistency
Oxide Epitaxial Thin Film Growth: Commonly used for growing various perovskite oxide thin films, contributing to the acquisition of high-quality epitaxial layers and clear interface structures.
Interface and Low-Dimensional Property Research: This substrate is suitable for studying cutting-edge phenomena such as electron transport and two-dimensional electron gases at oxide interfaces.
Functional Thin Film Device Development: In the research of novel electronic and functional devices, the substrate can serve as a basic platform for verifying device structures and performance.
Material Structure and Stress Matching Research: KTaO3 substrates have advantages in lattice matching and are often used in stress and structural compatibility studies of different material systems.
Q1: What are the common crystal orientations of Potassium Tantalate substrates?
A1: Commonly used crystal orientations include (100), (110), and (111), which can be selected according to experimental requirements.
Q2: What are the substrate surface treatment methods?
A2: Double-sided or single-sided polishing is usually provided, and the surface roughness can meet the requirements of epitaxial growth.
Q3: Which deposition processes are KTaO3 substrates suitable for?
A3: Suitable for various thin film preparation methods such as pulsed laser deposition, magnetron sputtering, and molecular beam epitaxy.
Q4: Do you support customized sizes or special specifications?
A4: Yes, we can provide customized substrates of different sizes, thicknesses, and orientations according to customer needs.
Single Crystal Orientation and Crystal Quality Description
Surface Polishing and Roughness Data
Dimension and Thickness Inspection Records
Batch Number and Quality Traceability Documents
We specialize in the supply and quality control of functional oxide single-crystal substrates. We understand the high requirements for substrate consistency and reliability in epitaxial growth and device research, and can provide long-term support to our clients in technical communication, specification matching, and delivery stability.
Molecular Formula: KTaO₃
Molecular Weight: 268.05
Appearance: Colorless, transparent, or pale yellow single-crystal wafer (polished substrate)
Density: 7.1 g/cm³
Melting Point: Approximately 1320 °C
Crystal Structure: Cubic (perovskite structure, single crystal)
Inner Packaging: Vacuum-sealed bags and boxed to prevent contamination and moisture.
Outer Packaging: Cartons or wooden crates selected based on size and weight.
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