Sr2GeTe2F2 is a mixed-anion ceramic compound combining strontium, germanium, tellurium, and fluorine—a relatively uncommon composition that bridges halide perovskite and chalcogenide ceramic families. This is a research-phase material with potential applications in solid-state ionics, photovoltaics, or thermal management where mixed-anion chemistry offers tunable electronic and ionic properties unavailable in conventional single-anion ceramics. Engineers would consider this material primarily in exploratory device development rather than established production, as it combines the structural flexibility of fluoride ceramics with the optical and transport properties characteristic of germanium tellurides.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 45.26 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.1900 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 2.550 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 4.881 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.334 | eV | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞) | 8.057 | - | DFT · OptB88vdW | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -2.258 | eV/atom | DFT · OptB88vdW |
Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data