Praseodymium nickel oxide (PrNiO3) is a rare-earth perovskite nickelate supplied by Infinita Materials as a pre-reacted ceramic sputtering target for correlated-electron and functional-oxide thin-film work. It belongs to the RNiO3 family of nickelates known for a sharp, temperature-driven metal-insulator transition, which makes it a material of interest for neuromorphic, resistive-switching, and oxide-electronics device research.
Praseodymium Nickel Oxide PrNiO₃ crystallises in a distorted orthorhombic perovskite structure (Pbnm), consisting of corner-sharing NiO₆ octahedra with Pr³⁺ occupying the A-sites. Its correlated electronic behaviour arises from formally Ni³⁺ ions stabilised within the perovskite lattice. Below the metal-insulator transition, PrNiO₃ undergoes charge disproportionation and antiferromagnetic ordering, while remaining a correlated metal at higher temperatures. Because its electronic properties are highly sensitive to oxygen stoichiometry, bond angles, strain, and thickness, thin-film deposition is particularly valuable. Reactive RF or pulsed-DC sputtering from ceramic targets enables controlled Pr stoichiometry. Films are investigated for Mott-transition devices, memristors, neuromorphic electronics, oxide heterostructures, catalysis, and electrochemical applications.
Answer: PrNiO₃ sputtering targets deposit thin films with tailored electronic, magnetic, and optical properties. These films are critical for applications in memory devices, sensors, and energy conversion technologies.
Answer: PrNiO₃ exhibits unique optical and electronic behaviors, including a metal-insulator transition, making it ideal for optoelectronic devices like photodetectors and modulators.
Answer: PrNiO₃'s perovskite structure, high thermal stability, and tunable electrical properties enable the creation of uniform and functional thin films for advanced technologies.
Answer: Yes, PrNiO₃ exhibits a metal-to-insulator transition depending on temperature, pressure, and doping, which is valuable for memory and sensing applications.
Answer: The material's ability to facilitate catalytic reactions and its mixed-valence states of nickel enable effective energy conversion and storage processes in applications like fuel cells and thermochromic devices.
Praseodymium Nickel Oxide PrNiO₃ crystallises in a distorted orthorhombic perovskite structure (Pbnm), consisting of corner-sharing NiO₆ octahedra with Pr³⁺ occupying the A-sites. Its correlated electronic behaviour arises from formally Ni³⁺ ions stabilised within the perovskite lattice. Below the metal-insulator transition, PrNiO₃ undergoes charge disproportionation and antiferromagnetic ordering, while remaining a correlated metal at higher temperatures. Because its electronic properties are highly sensitive to oxygen stoichiometry, bond angles, strain, and thickness, thin-film deposition is particularly valuable. Reactive RF or pulsed-DC sputtering from ceramic targets enables controlled Pr stoichiometry. Films are investigated for Mott-transition devices, memristors, neuromorphic electronics, oxide heterostructures, catalysis, and electrochemical applications.
Key Properties of Praseodymium Nickel Oxide
Property
Value
Significance
Crystal structure
Orthorhombic perovskite, Pbnm space group
Governs NiO6 octahedral tilting and the structural component of the metal-insulator transition
Stoichiometry
PrNiO3, formally Ni3+
The unusual trivalent Ni oxidation state is central to the correlated-electron behaviour
Metal-insulator transition temperature
~130-135 K (bulk, unstrained)
Key functional switching point exploited in neuromorphic and resistive-switching devices
Magnetic ordering
Antiferromagnetic below T_MI, coincident with the electronic transition
Couples magnetic and electronic order, useful for multifunctional device studies
Electrical behavior
Correlated metal above T_MI, insulator below
Enables bandwidth-controlled switching and Mott-electronics device architectures
Thermal conductivity
~2.0-3.0 W/(m K)
Relevant to substrate heating and thermal budget during and after film deposition
Oxygen stoichiometry sensitivity
Requires elevated O2 partial pressure to stabilise Ni3+; readily loses oxygen on heating in air.
Dictates sputtering atmosphere, post-deposition anneal, and target storage/handling practice.
Sputtering behavior
RF or reactive pulsed-DC magnetron sputtering of a dense ceramic oxide target
Determines process window and equipment compatibility for depositing stoichiometric films
Types & Grades of Praseodymium Nickel Oxide
Praseodymium Nickel 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
>99.9%
1in and 2in diameter discs (IN-NiPr-01, IN-NiPr-02) for lab-scale PVD and process development
High-purity electronic grade
99.95% – 99.99%
Reduced rare-earth and transition-metal cross-contamination for MIT and memristor device research
Large-format / custom
>99.9%, custom stoichiometry available
Wafer-scale and pilot-line coating; adjustable Pr: Ni ratio and dopant addition
Rotary/cylindrical target
>99.9%
Higher material utilisation and throughput for continuous reactive sputtering lines
Bonded assembly (Cu/In backing)
>99.9%
Improved thermal management and crack resistance for high-power sputtering of the brittle ceramic
Applications of Praseodymium Nickel Oxide
Sputtered films of Praseodymium Nickel 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
Neuromorphic computing
Resistive-switching and synaptic elements
Exploits the sharp, reversible metal-insulator transition for analogue or bistable resistance states
Correlated-electron electronics
Mott-transition switches and oscillators
Uses strain- and doping-tunable transition temperature for bandwidth-controlled switching
Mixed ionic-electronic conductivity and favourable oxygen exchange kinetics
Sensing
Thermochromic and gas/oxygen sensors
Resistance and optical response change sharply with temperature and oxygen partial pressure
Academic and materials research
Epitaxial films on SrTiO3, LaAlO3, and NdGaO3 substrates
Platform for studying strain-tuned metal-insulator transitions and octahedral rotation coupling
Oxide electronics R&D
Functional layers in perovskite oxide heterostructures
Integrates with other complex oxide films in multilayer device stacks
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 Praseodymium Nickel 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 Praseodymium Nickel Oxide, PrNiO
PrNiO₃ sputtering targets deposit thin films with tailored electronic, magnetic, and optical properties. These films are critical for applications in memory devices, sensors, and energy conversion technologies.
PrNiO₃ exhibits unique optical and electronic behaviors, including a metal-insulator transition, making it ideal for optoelectronic devices like photodetectors and modulators.
PrNiO₃'s perovskite structure, high thermal stability, and tunable electrical properties enable the creation of uniform and functional thin films for advanced technologies.
Yes, PrNiO₃ exhibits a metal-to-insulator transition depending on temperature, pressure, and doping, which is valuable for memory and sensing applications.
The material's ability to facilitate catalytic reactions and its mixed-valence states of nickel enable effective energy conversion and storage processes in applications like fuel cells and thermochromic devices.
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