K2ZnF4 is an inorganic fluoride ceramic compound belonging to the family of metal fluorides, which are known for their thermal stability and optical transparency in the infrared region. This material is primarily of research and specialized industrial interest, particularly in optical and photonic applications where fluoride ceramics serve as host matrices for rare-earth dopants in laser systems and optical coatings. The zinc fluoride composition makes it notable for potential use in environments requiring chemical inertness and thermal durability, though adoption remains limited compared to more established ceramics like yttrium aluminum garnet (YAG) or stabilized zirconia.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 44.24 | GPa | — | ||
| ↳ | 52.64 | GPa | — | ||
Poisson's Ratio(ν) | 0.3100 | - | — | ||
Shear Modulus(G)2 entries | 20.86 | GPa | — | ||
| ↳ | 23.53 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 3.337 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 4.540 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)3 entries | 9.060 | - | — | ||
| ↳ | 8.633 | - | — | ||
| ↳ | 5.487 range 2.212–8.762median of 2 measurements | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -147.5 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -2.795 | eV/atom | — |