IrI₃ is an iridium iodide ceramic compound belonging to the halide ceramic family, combining a refractory transition metal with an ionic halide component. This material is primarily investigated in research contexts for potential applications in high-temperature electronics, radiation-resistant coatings, and specialized catalytic systems where iridium's chemical inertness and iodine's unique electronic properties may offer advantages. IrI₃ represents an experimental composition with limited industrial adoption; its development is driven by interest in ternary metal halide ceramics for niche aerospace, nuclear, and materials science applications where conventional oxides or traditional iridium compounds fall short.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 3,637.5 | ksi | — | ||
Poisson's Ratio(ν) | 0.2700 | - | — | ||
Shear Modulus(G) | 2,011.7 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2574 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.194 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 9.280 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -380.9 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.1351 | eV/atom | — |