Neodymium Barium Copper Oxide (NdBa2Cu3O7-d, or NdBCO) is a rare-earth-123 layered cuprate ceramic and one of the higher-transition-temperature members of the REBa2Cu3O7 high-Tc superconductor family. Supplied by Infinita Materials as a pre-reacted, phase-controlled sputtering target, it enables direct physical vapour deposition of epitaxial superconducting thin films without co-sputtering separate cation sources. The material is used where thermal margin above liquid-nitrogen temperature and high critical current density under field are both required.
Neodymium Barium Copper Oxide NdBa₂Cu₃O₇₋δ (NdBCO) adopts an oxygen-deficient triple-perovskite structure similar to YBCO, featuring CuO₂ conduction planes and CuO chains. Its superconducting transition temperature can reach approximately 95–96 K, while cation stoichiometry and oxygen content strongly influence performance. Partial Nd³⁺ substitution on Ba²⁺ sites can suppress Tc, making controlled target composition essential. Pre-reacted ceramic NdBCO targets provide consistent Nd: Ba stoichiometry for reproducible thin-film deposition. RF magnetron sputtering in an oxygen-containing atmosphere, followed by oxygen annealing, enables formation of superconducting films. NdBCO films are investigated for coated conductors, SQUID sensors, microwave resonators and filters, superconducting electronics, and cryogenic current-lead applications.
Answer: NdBa₂Cu₃Oₓ sputtering targets are used to sputter thin films for high-temperature superconductors, magnetic, electromagnetic, and optical applications, quantum computing, and wireless communication technologies.
Answer: High-purity NdBa₂Cu₃Oₓ targets create uniform film deposition, enhanced film characteristics, and superconductivities vital for modern electronics and computing.
Answer: Yes, NdBa₂Cu₃Oₓ films are compatible with high-temperature, magnetic, and electromagnetic fields. Hence, they are used in harsh service industries such as energy, communication, and quantum computing.
Answer: The ceramic target is a poor electrical conductor at room temperature, so RF magnetron sputtering is the standard, most reliable deposition method for this material. Pulsed-DC can work on dense, low-resistivity target lots, but RF remains the recommended default.
Neodymium Barium Copper Oxide NdBa₂Cu₃O₇₋δ (NdBCO) adopts an oxygen-deficient triple-perovskite structure similar to YBCO, featuring CuO₂ conduction planes and CuO chains. Its superconducting transition temperature can reach approximately 95–96 K, while cation stoichiometry and oxygen content strongly influence performance. Partial Nd³⁺ substitution on Ba²⁺ sites can suppress Tc, making controlled target composition essential. Pre-reacted ceramic NdBCO targets provide consistent Nd: Ba stoichiometry for reproducible thin-film deposition. RF magnetron sputtering in an oxygen-containing atmosphere, followed by oxygen annealing, enables formation of superconducting films. NdBCO films are investigated for coated conductors, SQUID sensors, microwave resonators and filters, superconducting electronics, and cryogenic current-lead applications.
Key Properties of Neodymium Barium Copper Oxide
Property
Value
Significance
Crystal structure
Orthorhombic, space group Pmmm (oxygen-deficient triple perovskite, RE-123 type)
Sets the anisotropic CuO2-plane conduction pathway and the epitaxial texture required of deposited films
Superconducting transition temperature (Tc)
~95-96 K onset, ~90-94 K zero-resistance (typical)
One of the higher Tc values among RE-123 cuprates; supports greater thermal margin at liquid-nitrogen operating temperatures
Lattice parameters
a ~3.91 A, b ~3.92 A, c ~11.74 A
Guides substrate and buffer-layer selection for lattice-matched epitaxial film growth
Requires a controlled post-deposition oxygen anneal to set the superconducting phase
Nd/Ba site-substitution tendency
Nd3+ ionic radius close to Ba2+; forms Nd1+xBa2-xCu3O7 solid solution if processed in air
Drives the need for stoichiometry-controlled target synthesis and reduced-oxygen-partial-pressure processing
Electrical behaviour of the target (room temperature)
Semiconducting, poor bulk electrical conductivity
Favours RF magnetron sputtering; pulsed-DC is feasible only on dense, low-resistivity target lots
Density
~6.73 g/cm3 (theoretical)
Reference value for target mass, erosion-life estimation, and incoming bulk-density QC
Decomposition/peritectic behaviour
Peritectic decomposition in the ~1000-1030 C range (composition dependent)
Bounds the sintering and hot-pressing windows used during target fabrication
Types & Grades of Neodymium Barium Copper Oxide
Neodymium Barium Copper Oxide targets are offered in standard catalogue sizes and grades, with custom purity, density, and geometry available for OEM and R&D deposition systems.
Grade / Form
Typical Purity
Key Features / Uses
Standard catalogue disc (IN-BaCuNd-01 / IN-BaCuNd-02)
>99.9% (3N)
1 in x 0.125 in and 2 in x 0.25in monolithic discs sized for common lab-scale PVD chambers
High-purity research grade
99.99% (4N)
Reduced secondary-phase content (e.g., Nd/Ba-rich phases) for more reproducible film Tc and phase purity
Ultra-high-purity grade
99.999% (5N)
Trace-metal-controlled stoichiometric ceramic for SQUID and quantum-device-grade film work
Large-format / custom planar target
99.9% – 99.99%
Oversized round and rectangular targets machined to specific cathode and pilot-line geometries
Bonded assembly (indium or diffusion bonded)
99.9% – 99.99%
Ceramic target bonded to a copper backing plate for improved heat dissipation during extended RF magnetron runs.
Applications of Neodymium Barium Copper Oxide
Sputtered films of Neodymium Barium Copper Oxide support demanding roles across research and production applications where this material’s specific structural, electronic, or optical properties are the key requirement.
Industry
Application
Function
Superconducting electronics
SQUID magnetometers and sensors
Epitaxial NdBCO thin film serves as the active superconducting sensing layer.
Power and energy
Coated conductor / 2G HTS tape research
Buffer-matched superconducting layer under development for high critical-current-density tape
RF and microwave engineering
Superconducting filters and resonators
Low-surface-resistance NdBCO films support high-Q microwave device performance.
Scientific instrumentation
Cryogenic current leads and interconnects
Low-loss superconducting current transport at liquid-nitrogen temperatures
Quantum and condensed-matter research
Epitaxial heterostructure and buffer-layer studies
Serves as a well-characterised RE-123 model system for cuprate physics and device integration
Magnet technology
Trapped-field and bulk-magnet thin-film prototyping
Leverages NdBCO’s higher irreversibility field relative to YBCO for high-field magnet concepts
Why Partner with Infinita Materials?
Technical Depth: in-house quality control with ICP-MS and XRF purity verification, density measurement, and full certificates of analysis on every target.
Global Logistics: reliable supply from single R&D-scale targets to production-line volumes, with established international shipping.
Responsive Support: direct access to materials engineers for grade, bonding, and geometry selection, and process-compatibility questions.
Take the Next Step
Infinita Materials fabricates Neodymium Barium Copper Oxide sputtering targets engineered to the purity, density, and geometry your deposition process requires. Whether the requirement is a standard catalogue target or a custom size, purity, or bonded assembly, our team can help match the right specification to your deposition system. Request a quote or speak with our technical team to discuss your target specification.
Other Related Product to Neodymium Barium Copper Oxide, NdBa2Cu3Ox
NdBa₂Cu₃Oₓ sputtering targets are used to sputter thin films for high-temperature superconductors, magnetic, electromagnetic, and optical applications, quantum computing, and wireless communication technologies.
High-purity NdBa₂Cu₃Oₓ targets create uniform film deposition, enhanced film characteristics, and superconductivities vital for modern electronics and computing.
Yes, NdBa₂Cu₃Oₓ films are compatible with high-temperature, magnetic, and electromagnetic fields. Hence, they are used in harsh service industries such as energy, communication, and quantum computing.
The ceramic target is a poor electrical conductor at room temperature, so RF magnetron sputtering is the standard, most reliable deposition method for this material. Pulsed-DC can work on dense, low-resistivity target lots, but RF remains the recommended default.
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