Ca2HgTe2F2 is a complex fluoride ceramic compound combining calcium, mercury, tellurium, and fluorine—a rare composition that places it at the intersection of halide perovskite and heavy-element ceramics research. This material remains primarily in the experimental phase, investigated for potential applications in optoelectronic and photonic devices where the combination of heavy cations (mercury, tellurium) and fluoride ligands may enable unique optical or electronic properties distinct from conventional ceramics.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 50.80 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.3400 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 19.60 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 5.823 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.7270 | eV | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞) | 8.198 | - | 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) | -2.195 | 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