HfFeCl6 is a transition metal halide compound combining hafnium and iron with chloride ligands, representing an emerging class of layered metal halide materials under investigation for advanced functional applications. This compound belongs to the family of exfoliable metal halides, which are being explored in materials research for their potential in electronics, catalysis, and energy storage due to their tunable chemical and structural properties. While primarily a research material rather than established in mainstream industrial production, HfFeCl6 and related hafnium-iron compounds are of particular interest to materials scientists developing next-generation heterostructured devices and catalytic systems.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 2,407.6 | ksi | — | ||
Exfoliation Energy(Eexf) | 71.85 | meV/atom | — | ||
Poisson's Ratio(ν) | 0.2200 | - | — | ||
Shear Modulus(G) | 1,804.3 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1374 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.3905 range 0.000–0.7810median of 2 measurements | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 9.849 | - | — | ||
Magnetic Moment(μB) | 8.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -41.04 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.01410 | eV/atom | — | ||
Formation Energy(ΔHf) | -1.441 | eV/atom | — |