FeO2

ceramic
· JVASP-42657· FeO2

FeO₂ is an iron oxide ceramic compound representing a higher oxidation state of iron than common magnetite or hematite phases. This material is primarily of research and experimental interest rather than established industrial production, studied for its potential in catalysis, energy storage, and advanced oxidation applications where iron's variable oxidation chemistry offers functional advantages. Engineers would consider FeO₂ when conventional iron oxides are insufficient for high-oxidation-state requirements, though availability, phase stability, and scalability remain significant practical constraints compared to established iron oxide ceramics.

catalyst supports and designelectrochemical energy storageadvanced oxidation processesresearch-phase functional ceramicscorrosion and wear-resistant coatings (exploratory)high-temperature structural applications (experimental)

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
ksi
Poisson's Ratio(ν)
-
Shear Modulus(G)
ksi
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Magnetic Moment(μB)
µB
Seebeck Coefficient(S)
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
eV/atom
Formation Energy(ΔHf)
eV/atom
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.
FeO2 — Properties & Data | MatWorld