Lanthanum Praseodymium Calcium Manganate is a co-doped rare-earth manganite sputtering target, supplied by Infinita Materials in the general form La(1-x-y)PrxCayMnO3 and most commonly near the well-studied La0.325Pr0.3Ca0.375MnO3 (LPCMO) composition. This perovskite oxide is prized for its colossal magnetoresistance and intrinsic electronic phase separation, making it a standard source material for depositing CMR thin films used in spintronics and condensed-matter physics research. Targets are offered as dense ceramic discs in standard and custom sizes, with the La:Pr:Ca ratio tunable to the customer’s target transition temperature.
Introduction to Lanthanum Praseodymium Calcium Manganate
Lanthanum Praseodymium Calcium Manganate La0.325Pr0.3Ca0.375MnO3 (LPCMO) crystallises in a distorted orthorhombic Pnma perovskite structure, with La3+, Pr3+, and Ca2+ sharing the A-site and Mn occupying corner-sharing MnO6 octahedra. Ca substitution establishes a mixed Mn3+/Mn4+ valence state, while Pr reduces the eg-electron bandwidth, promoting competition between ferromagnetic-metallic and antiferromagnetic charge-ordered insulating phases and nanoscale electronic phase separation. Because its magnetotransport properties are highly sensitive to stoichiometry, oxygen content, and strain, LPCMO is deposited using RF or pulsed-DC magnetron sputtering from dense ceramic targets. Films are used in CMR sensors, resistive-switching devices, phase-separation studies, and oxide-electronic applications.
Answer: Due to its unique electrical and magnetic properties, it is a target material for thin-film deposition in applications such as high-performance coatings, magnetic devices, and fuel cells.
Answer: This material exhibits high electrical conductivity and magnetic properties. It is commonly used in applications requiring complex oxide thin films with enhanced performance in solid oxide fuel cells (SOFCs) and sensors.
Answer: The substitution of praseodymium (Pr) and calcium (Ca) affects the material's electrical conductivity, magnetoresistance, and thermal stability, allowing for tunable properties depending on the application.
Answer: During sputtering, La(1-xy)PrxCayMnO3 maintains stable stoichiometry under proper conditions and produces thin films with high uniformity, suitable for complex oxide films.
Introduction to Lanthanum Praseodymium Calcium Manganate
Lanthanum Praseodymium Calcium Manganate La0.325Pr0.3Ca0.375MnO3 (LPCMO) crystallises in a distorted orthorhombic Pnma perovskite structure, with La3+, Pr3+, and Ca2+ sharing the A-site and Mn occupying corner-sharing MnO6 octahedra. Ca substitution establishes a mixed Mn3+/Mn4+ valence state, while Pr reduces the eg-electron bandwidth, promoting competition between ferromagnetic-metallic and antiferromagnetic charge-ordered insulating phases and nanoscale electronic phase separation. Because its magnetotransport properties are highly sensitive to stoichiometry, oxygen content, and strain, LPCMO is deposited using RF or pulsed-DC magnetron sputtering from dense ceramic targets. Films are used in CMR sensors, resistive-switching devices, phase-separation studies, and oxide-electronic applications.
Key Properties of Lanthanum Praseodymium Calcium Manganate
Property
Value
Significance
Crystal structure
Distorted orthorhombic perovskite, Pnma-type ABO3
Sets the corner-sharing MnO6 octahedral network responsible for double-exchange coupling and CMR
Chemical formula
La(1-x-y)PrxCayMnO3, typically La0.325Pr0.3Ca0.375MnO3
Composition fixes A-site bandwidth and disorder, which govern the transition temperature and phase-separation scale
Molar mass
~205.4 g/mol for nominal La0.325Pr0.3Ca0.375MnO3 (varies with x, y)
Used with target volume and density to estimate deposition rate and target service life
Density (bulk target)
~6.0 g/cm3
Higher sintered density reduces porosity-driven arcing and particulate generation during sputtering
Purity
99.9% – 99.99%, custom on request
Limits trace 3d-metal and alkali contamination that otherwise pins domain walls and suppresses CMR.
Magnetic behavior
Coexisting ferromagnetic-metallic and antiferromagnetic charge-ordered insulating phases below ~100-150 K
Underlies the colossal magnetoresistance and phase-separation phenomena the material is deposited to study
Electrical behavior
Field- and temperature-tunable insulator-metal transition
Enables magnetic-field-controlled resistive switching used in sensors and memory research
Thermal conductivity
~3-5 W/m-K at room temperature
Informs power density limits and cooling requirements during high-power sputtering
Types & Grades of Lanthanum Praseodymium Calcium Manganate
Lanthanum Praseodymium Calcium Manganate 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 ceramic disc target
99.9%
General-purpose RF sputtering target for laboratory CMR thin-film growth
High-purity research grade
99.95% – 99.99%
Reduced trace-metal background for spintronic and magnetoresistive device fabrication
Indium-bonded target
99.9%
Bonded to a copper backing plate for improved thermal contact in DC and RF magnetron cathodes
Custom stoichiometry (x, y tunable)
99.9%
La:Pr:Ca ratio adjusted to shift the insulator-metal transition temperature and phase-separation length scale
Powder / PLD pellet feedstock
99.9% – 99.99%
Pre-reacted precursor for pressing custom-size sputtering targets or pulsed laser deposition pellets
Applications of Lanthanum Praseodymium Calcium Manganate
Sputtered films of Lanthanum Praseodymium Calcium Manganate 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
Spintronics and magnetic memory R&D
CMR thin-film sensor layers
Provides magnetoresistive sensing elements exploiting field-tunable phase separation
Condensed matter physics research
Epitaxial LPCMO films on SrTiO3 or LaAlO3
Serves as the model system for studying electronic phase separation and colossal magnetoresistance
Oxide electronics
Memristive and resistive-switching devices
Active layer exploiting the composition-tunable insulator-metal transition for non-volatile switching.
Sensor manufacturing
Magnetic field sensors and CMR bolometers
Uses the sharp field- and temperature-dependent resistance change for high-sensitivity detection
Academic and national laboratory instrumentation
Sputtering and PLD target consumables
Supplies single-phase source material for reproducible manganite film deposition
Materials characterisation laboratories
Reference thin films for magnetometry and transport studies
Provides a well-documented CMR standard for instrument and method calibration
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 Lanthanum Praseodymium Calcium Manganate 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 Lanthanum Praseodymium Calcium Manganate
Due to its unique electrical and magnetic properties, it is a target material for thin-film deposition in applications such as high-performance coatings, magnetic devices, and fuel cells.
This material exhibits high electrical conductivity and magnetic properties. It is commonly used in applications requiring complex oxide thin films with enhanced performance in solid oxide fuel cells (SOFCs) and sensors.
The substitution of praseodymium (Pr) and calcium (Ca) affects the material's electrical conductivity, magnetoresistance, and thermal stability, allowing for tunable properties depending on the application.
During sputtering, La(1-xy)PrxCayMnO3 maintains stable stoichiometry under proper conditions and produces thin films with high uniformity, suitable for complex oxide films.
It is widely used in electronics, energy (particularly fuel cells), sensors, and advanced magnetic and catalytic materials development.
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