GeF2 is an inorganic ceramic compound composed of germanium and fluorine, belonging to the halide ceramic family. It is primarily investigated in research contexts for optical and solid-state applications where its fluoride chemistry offers advantages in transparency and chemical stability. This material is notable for potential use in specialized optical systems, fluoride glass precursors, and solid-state electrolyte research, where the combination of germanium's semiconducting properties and fluorine's electronegativity creates useful ionic and optical characteristics.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 2,921.1 | ksi | — | ||
Poisson's Ratio(ν) | 0.2400 | - | — | ||
Shear Modulus(G) | 1,965.3 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1417 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 4.299 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 23.92 | - | — | ||
| ↳ | 29.67 | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij)2 entries | 0.02061 | C/m² | — | ||
| ↳ | 0.02837 | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | -313.1 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -2.209 | eV/atom | — |