Fe4O3F5 is an iron oxide fluoride ceramic compound that combines iron oxide and fluoride phases into a single crystalline structure. This material belongs to the family of mixed-anion ceramics and remains primarily a research compound, with potential applications in advanced ceramics where fluoride incorporation can modify thermal, electrical, or chemical properties beyond those of conventional iron oxides. While industrial deployment is limited, iron fluoride ceramics are of interest in electrochemistry and materials science for their potential in energy storage systems and as precursors for specialized refractory or functional ceramic applications.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 4.474 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 231.2 | - | — | ||
Piezoelectric Modulus(eij)2 entries | 1.786 | C/m² | — | ||
| ↳ | 0.4271 range 0.3770–0.4772median of 2 measurements | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | -6.120 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.01920 | eV/atom | — | ||
Formation Energy(ΔHf) | -1.871 | eV/atom | — |