Iron fluoride (FeF₂) is an ionic ceramic compound combining iron and fluorine, classified here as a metal-like material due to its electronic properties and industrial processing. It is primarily used in specialized applications including fluorine-based chemical synthesis, battery electrolyte components, and uranium enrichment processes where its thermal stability and fluorine-exchange capability are leveraged. FeF₂ is notable in lithium-ion battery research as a cathode or conversion-type anode material offering high theoretical capacity, and in nuclear fuel processing where it serves as an intermediate in uranium hexafluoride production—applications where conventional metallic alternatives lack the required chemical reactivity.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 97.12 | GPa | — | ||
| ↳ | 142.4 | GPa | — | ||
Poisson's Ratio(ν) | 0.3300 | - | — | ||
Shear Modulus(G)2 entries | 33.33 | GPa | — | ||
| ↳ | 59.74 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 4.964 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 6.650 | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Seebeck Coefficient(S) | -72.48 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.3964 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -2.439 | eV/atom | — | ||
| ↳ | -1.614 | eV/atom | — |