Bismuth Manganate sputtering targets, supplied by Infinita Materials, are bismuth-rich oxide ceramics formulated as Bi2.4MnO3 and used to deposit thin films based on BiMnO3, one of the few oxide compounds reported to combine intrinsic ferromagnetism with ferroelectric-like polar order. These dense, black ceramic targets are engineered for RF magnetron sputtering onto perovskite substrates in multiferroic and magnetoelectric device research.
Bismuth Manganate (BiMnO₃) is a distorted perovskite oxide in which lone-pair-active Bi³⁺ cations and MnO₆ octahedral distortions support coupled magnetic and polar behaviour. Below approximately 105 K, Mn³⁺–O–Mn³⁺ superexchange produces ferromagnetic ordering, while the material’s low-temperature symmetry and true ferroelectric character remain subjects of ongoing research. Because bulk BiMnO₃ is metastable at ambient pressure and difficult to synthesise, thin-film deposition is particularly important. Bi-rich sputtering targets, commonly formulated near Bi₂.₄MnO₃, compensate for bismuth volatilisation and resputtering during deposition and annealing. RF magnetron sputtering produces controlled films on SrTiO₃ and LaAlO₃ substrates for spintronics, magnetoelectric coupling, and non-volatile memory research.
Answer: It is utilized in thin-film electronics, optoelectronic devices, photonic systems, ferroelectric memory devices, chemical sensors, energy harvesting, and many other applications.
Answer: No. Its ferromagnetic ordering sets in only below approximately 105 K, and its ferroelectric character is still debated in the structural literature, with some studies favoring a centrosymmetric, non-polar space group. It remains an important model system for studying magnetoelectric coupling rather than a room-temperature device material.
Bismuth Manganate (BiMnO₃) is a distorted perovskite oxide in which lone-pair-active Bi³⁺ cations and MnO₆ octahedral distortions support coupled magnetic and polar behaviour. Below approximately 105 K, Mn³⁺–O–Mn³⁺ superexchange produces ferromagnetic ordering, while the material’s low-temperature symmetry and true ferroelectric character remain subjects of ongoing research. Because bulk BiMnO₃ is metastable at ambient pressure and difficult to synthesise, thin-film deposition is particularly important. Bi-rich sputtering targets, commonly formulated near Bi₂.₄MnO₃, compensate for bismuth volatilisation and resputtering during deposition and annealing. RF magnetron sputtering produces controlled films on SrTiO₃ and LaAlO₃ substrates for spintronics, magnetoelectric coupling, and non-volatile memory research.
Key Properties of Bismuth Manganate
Property
Value
Significance
Target chemical formula
Bi2.4MnO3 (bismuth-rich, Bi:Mn ~2.4:1)
Compensates bismuth volatility during sputtering to yield near-stoichiometric BiMnO3 films
Target film phase
BiMnO3 (distorted perovskite)
The multiferroic thin-film composition the target is engineered to reproduce
CAS number
12232-96-1
Unique commercial identifier for the Bi2.4MnO3 sputtering target composition
Molar mass
~605.53 g/mol (target formula)
Used for stoichiometry checks and deposition-rate/mass-loss calculations
Density
~7.0 g/cm3 (theoretical, target)
Governs sputter yield, target mass, and expected target lifetime
Underlies the coupled magnetic and polar lattice distortion central to multiferroic behaviour
Magnetic ordering (film)
Ferromagnetic below Tc ~ 105 K
One of a small number of oxides combining ferromagnetism with polar/ferroelectric-like distortion
Appearance/form (target)
Black, dense polycrystalline ceramic disc
Typical oxide-ceramic morphology suited to RF sputtering
Types & Grades of Bismuth Manganate
Bismuth 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 3N target
99.9%
Baseline research-grade material for exploratory multiferroic thin-film deposition
High-purity 4N target
99.99%
Reduced trace-metal content for spintronic and magnetoelectric device prototyping
Ultra-high-purity 5N target
99.999%
Leading-edge multiferroic research requiring minimal defect and impurity states
Bonded (indium/elastomer) target
99.9% and above
Ceramic disc bonded to a Cu backing plate for improved thermal management under magnetron power
Custom-stoichiometry target
99.9% – 99.99%
Adjustable Bi-excess level tuned to a specific chamber’s bismuth loss characteristics
Applications of Bismuth Manganate
Sputtered films of Bismuth 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 magnetoelectronics R&D
Multiferroic thin-film heterostructures
Provides a coupled magnetic-polar layer for magnetoelectric coupling and interface studies
Non-volatile memory research
Magnetoelectric memory (MeRAM) prototypes
Supports electric-field control of magnetisation for low-power memory concepts
Academic and national-lab materials science
Epitaxial BiMnO3 films on SrTiO3 or LaAlO3
Enables fundamental study of multiferroicity, strain-tuned polarisation, and metastable-phase stabilisation
Sensor development
Magnetoelectric sensors and transducers
Exploits magnetic-field-induced polarisation changes for magnetic sensing concepts
Oxide electronics
Functional oxide thin-film stacks
Serves as an integration layer within multifunctional perovskite-oxide device architectures
Photocatalysis and photoresponse research
Bi-Mn-O visible-light-active thin films
Narrow-bandgap bismuth-manganese oxide films explored for photoresponsive and catalytic behaviour
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 Bismuth 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 Bismuth Manganate, Bi2.4MnO3
It is utilized in thin-film electronics, optoelectronic devices, photonic systems, ferroelectric memory devices, chemical sensors, energy harvesting, and many other applications.
No. Its ferromagnetic ordering sets in only below approximately 105 K, and its ferroelectric character is still debated in the structural literature, with some studies favoring a centrosymmetric, non-polar space group. It remains an important model system for studying magnetoelectric coupling rather than a room-temperature device material.
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