Titanium ferrite (TiFe2O4), mineralogically known as ulvospinel, is an inverse-spinel iron-titanium oxide supplied by Infinita Materials as a high-purity magnetron sputtering target for depositing thin films with tailored magnetic and semiconducting behaviour. As the titanium-rich end-member of the magnetite-ulvospinel solid solution series, it offers film formers a chemically stable, well-characterised route to iron-titanium oxide coatings that pure iron oxide or titanium oxide targets cannot replicate on their own.
Titanium Ferrite TiFe₂O₄ (ulvospinel) adopts an inverse spinel structure with Ti and Fe cations distributed across tetrahedral and octahedral sites. Unlike ferrimagnetic magnetite, TiFe₂O₄ has a Néel temperature near 120 K, making it paramagnetic at room temperature. Its semiconducting behaviour arises from mixed Fe and Ti valence states, and it forms a solid-solution series with magnetite. TiFe₂O₄ sputtering targets enable controlled deposition of iron-titanium oxide films without separate Fe/Ti sources or alloy oxidation. RF or RF-reactive sputtering is typically used for ceramic targets, producing stoichiometric films for rock magnetism, spintronic, magnetoresistive, dielectric, and sensor research while simplifying composition control.
Answer: TiFe₂O₄ is a mixed metal oxide compound consisting of titanium and iron, forming a ferrite structure. It is used as a sputtering target to deposit thin films of titanium ferrite on various substrates.
Answer: Among the applications are magnetic materials, catalysis and photocatalysis, electronics, energy storage, coatings, and applications for environmental issues.
Answer: TiFe₂O₄ nanoparticle thin films are commonly deposited using magnetron sputtering, a versatile technique for precise film thickness and composition control.
Titanium Ferrite TiFe₂O₄ (ulvospinel) adopts an inverse spinel structure with Ti and Fe cations distributed across tetrahedral and octahedral sites. Unlike ferrimagnetic magnetite, TiFe₂O₄ has a Néel temperature near 120 K, making it paramagnetic at room temperature. Its semiconducting behaviour arises from mixed Fe and Ti valence states, and it forms a solid-solution series with magnetite. TiFe₂O₄ sputtering targets enable controlled deposition of iron-titanium oxide films without separate Fe/Ti sources or alloy oxidation. RF or RF-reactive sputtering is typically used for ceramic targets, producing stoichiometric films for rock magnetism, spintronic, magnetoresistive, dielectric, and sensor research while simplifying composition control.
Key Properties of Titanium Ferrite
Property
Value
Significance
Crystal Structure
Inverse cubic spinel (AB2O4), space group Fd-3m
Governs cation site distribution and magnetic coupling pathways in sputtered films
Molar Mass
~223.55 g/mol
Used for stoichiometry, deposition-rate, and film-thickness calculations
Density (theoretical)
~4.78 g/cm3
Baseline for calculating sputter yield and target lifetime; some supplier listings cite ~7.35 g/cm3 in error (see Data Notes)
Magnetic Ordering
Paramagnetic at room temperature; ferrimagnetic/antiferromagnetic ordering below Neel temperature (~120 K / -153 C)
Critical for researchers depositing films meant to model low-temperature titanomagnetite magnetism rather than room-temperature ferrimagnets
Electrical Behavior
Semiconducting oxide; mixed Fe2+/Fe3+ and Ti3+/Ti4+ valence states
Favours RF or RF-reactive sputtering over pure DC to avoid target charging and arcing
Melting/Decomposition Behaviour
No sharp congruent melting point; decomposes/reacts above roughly 1300-1400 C depending on oxygen fugacity, consistent with other Fe-Ti-O spinel phases.
Informs sintering and target-fabrication temperature limits
Thermal Conductivity
Low, typical of oxide ceramics
Requires controlled power ramp-up/ramp-down during sputtering to avoid thermal-shock cracking
Mechanical Character
Brittle ceramic solid
Drives the recommendation for bonded target assemblies and careful handling during mounting
Types & Grades of Titanium Ferrite
Titanium Ferrite 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%
1 in and 2 in diameter stock discs (0.125 in- 0.25 in thick); the most common configuration for lab-scale magnetron sputtering and process development
High-purity research grade
99.99% – 99.999%
Lower trace-metal content for spintronic, magnetoresistive, and fundamental magnetism studies where impurity scattering must be minimised
Large-format / production grade
99.9%+
Rectangular and block formats up to roughly 14 in x 12 in for pilot-line and higher-throughput coaters; custom thickness available
Bonded target assembly
99.9%+
Indium- or elastomer-bonded to a copper backing plate; recommended given the material’s brittleness and low thermal conductivity to improve heat dissipation and reduce cracking risk
Custom geometry (step, cylindrical, segmented)
99.9%+
Fabricated to match specific magnetron gun or rotary/cylindrical cathode designs for specialised or high-utilisation deposition tooling
Applications of Titanium Ferrite
Sputtered films of Titanium Ferrite 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
Geoscience / Palaeomagnetism Research
Synthetic titanomagnetite analogue thin films
Model the magnetic behaviour of natural Fe-Ti spinel minerals for rock-magnetism and paleomagnetic recording studies.
Spintronics & Magnetic Device Research
Ferrimagnetic/paramagnetic oxide layers in multilayer stacks
Provide a temperature-tunable magnetic oxide for studying spin transport and magnetic phase transitions
Sensor Development
Magnetoresistive and magnetic-field sensor films
Exploit composition-dependent magnetic ordering for sensitivity tuning in thin-film sensor elements.
Microelectronics
Gate-dielectric and resistive oxide films
Mixed-valence Fe-Ti oxide provides tunable dielectric/resistive characteristics for device research.
Materials Science / Solid-Solution Studies
Fe3O4-TiFe2O4 (magnetite-ulvospinel) composition-graded films
Enable systematic study of the titanomagnetite solid-solution series without separate bulk synthesis for each composition
Functional Coatings R&D
Iron-titanium oxide protective and functional coatings
Combine the corrosion resistance of oxide ceramics with tunable electronic/magnetic properties for exploratory coating work
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 Titanium Ferrite 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 Titanium Ferrite, TiFe2O4
TiFe₂O₄ is a mixed metal oxide compound consisting of titanium and iron, forming a ferrite structure. It is used as a sputtering target to deposit thin films of titanium ferrite on various substrates.
Among the applications are magnetic materials, catalysis and photocatalysis, electronics, energy storage, coatings, and applications for environmental issues.
TiFe₂O₄ nanoparticle thin films are commonly deposited using magnetron sputtering, a versatile technique for precise film thickness and composition control.
Yes, due to their optical and electrical properties, TiFe₂O₄ thin films can be used in solar cells or optical coatings.
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