Introduction
Strontium Copper Oxide Sputtering Targets (SrCuO₂) are advanced oxide ceramic materials widely used in the deposition of functional thin films for superconductivity research, oxide electronics, and complex heterostructures. As a key copper-oxide compound, SrCuO₂ plays an important role in high-temperature superconducting systems and correlated electron materials.
In thin film deposition, precise stoichiometry and phase purity are critical. SrCuO₂ sputtering targets are engineered to provide stable composition transfer, enabling reproducible growth of epitaxial or polycrystalline oxide films for research and device development.
Detailed Description
SrCuO₂ is a ternary oxide ceramic typically fabricated through solid-state reaction and high-temperature sintering processes. Strict control of precursor purity, calcination conditions, and sintering atmosphere ensures correct phase formation and minimized secondary phases.
Key characteristics of SrCuO₂ sputtering targets include:
Controlled stoichiometric ratio (Sr:Cu = 1:1)
High phase purity for superconducting and electronic applications
Dense microstructure to reduce particle generation
Stable sputtering behavior under RF magnetron systems
Due to its ceramic and insulating nature, SrCuO₂ targets are generally used with RF sputtering. For high-power or long-duration deposition, optional bonding to a copper backing plate improves thermal conductivity and mechanical stability.
The deposited films can exhibit:
Strong anisotropic electronic properties
Compatibility with perovskite oxide systems
Suitability for layered heterostructures
High chemical stability under controlled oxygen atmospheres
Reactive oxygen control during deposition is often critical to maintaining proper oxidation states in copper-oxide thin films.
Applications
Strontium Copper Oxide Sputtering Targets are primarily used in:
High-temperature superconducting research
Oxide electronics and strongly correlated materials
Epitaxial thin film growth on single-crystal substrates
Multilayer oxide heterostructures
Spintronic and quantum material studies
Advanced academic and R&D laboratories
SrCuO₂ is frequently integrated with other oxide materials such as La-based or Y-based compounds in complex oxide stacks.
Technical Parameters
| Parameter | Typical Value / Range | Importance |
|---|---|---|
| Chemical Formula | SrCuO₂ | Defines superconducting oxide composition |
| Purity | 99.9% – 99.99% | Ensures phase stability and film consistency |
| Diameter | 25 – 100 mm (custom) | Compatible with research sputtering systems |
| Thickness | 3 – 6 mm | Influences lifetime and sputtering uniformity |
| Density | ≥ 95% theoretical | Reduces particulate contamination |
| Bonding | Optional copper backing | Enhances thermal management |
Custom dimensions and compositions can be supplied based on deposition system requirements.
Comparison with Related Copper Oxide Targets
| Material | Key Advantage | Typical Application |
|---|---|---|
| SrCuO₂ | Layered copper-oxide structure | Superconducting research films |
| YBa₂Cu₃O₇ (YBCO) | High Tc superconductivity | HTS thin films |
| La₂CuO₄ | Parent compound of cuprates | Oxide electronics research |
| CuO | Simple copper oxide | General oxide coatings |
Compared with YBCO, SrCuO₂ often serves as a structural or electronic component in multilayer oxide research rather than as a standalone superconducting film.
FAQ
| Question | Answer |
|---|---|
| Is RF sputtering required? | Yes, SrCuO₂ is an insulating oxide and typically requires RF magnetron sputtering. |
| Can the target be bonded? | Yes, copper backing plates are available for improved thermal stability. |
| Is stoichiometry strictly controlled? | Yes, phase and composition control are essential during manufacturing. |
| What substrates are commonly used? | SrTiO₃, LaAlO₃, and other perovskite substrates are commonly selected. |
| Do you provide small-diameter targets for research? | Yes, research-scale diameters such as 1″ or 2″ are available. |
Packaging
Our Strontium Copper Oxide Sputtering Targets are meticulously tagged and labeled externally to ensure efficient identification and maintain high standards of quality control. We take great care to prevent any potential damage during storage and transportation, ensuring the targets arrive in perfect condition.
Conclusion
Strontium Copper Oxide Sputtering Targets (SrCuO₂) provide a reliable material solution for superconducting thin films, oxide electronics, and advanced research applications. With controlled stoichiometry, high density, and customizable configurations, they support stable deposition and reproducible film performance.
For detailed specifications and a quotation, please contact us at sales@thinfilmmaterials.com.
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