Li6FeO5F is an experimental lithium iron oxide fluoride ceramic compound belonging to the family of mixed-anion ceramics that combine oxide and fluoride components. This material is primarily investigated in solid-state battery research, particularly for applications as a solid electrolyte or cathode material where its ionic conductivity and electrochemical stability are of interest. The lithium-rich composition and fluoride incorporation make it notable within the emerging class of halide-based ceramics, which offer potential advantages over purely oxide electrolytes in terms of electrochemical window and ion transport properties.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 2.691 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 0.000 | eV | — | ||
| ↳ | 0.8790 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 14.82 | - | — | ||
Magnetic Moment(μB) | 3.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.2057 | C/m² | — | ||
Seebeck Coefficient(S) | -398.3 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.07810 | eV/atom | — | ||
Formation Energy(ΔHf) | -2.048 | eV/atom | — |