Tl4PbI6 is a mixed-halide perovskite ceramic compound containing thallium, lead, and iodine, typically investigated as a semiconductor material for optoelectronic applications. This is primarily a research-phase material rather than an established industrial ceramic; it belongs to the family of lead halide perovskites and related structures that have attracted attention for photovoltaic and radiation detection applications due to their tunable bandgaps and high charge-carrier mobility. The inclusion of thallium distinguishes this composition from more common lead-only perovskites, potentially offering different electronic properties, though commercial adoption remains limited and material stability/toxicity considerations are relevant engineering constraints.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 18.48 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.3100 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 8.230 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 6.764 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 2.306 | eV | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞) | 7.046 | - | 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) | -0.6782 | 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