AuI is an intermetallic compound combining gold and iodine, representing a rare metal-halide material family with potential applications in advanced materials research. This compound has been primarily studied in laboratory settings for its unique structural and electronic properties, particularly for semiconductor and optoelectronic device research where gold's nobility and iodine's reactivity offer distinct advantages. Engineers and researchers investigating novel functional materials, perovskite-adjacent compounds, or specialized electronic applications may evaluate AuI for prototyping, though it remains a niche research material rather than a mainstream industrial standard.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 16.12 | GPa | — | ||
Exfoliation Energy(Eexf) | 88.81 | meV/atom | — | ||
Poisson's Ratio(ν) | 0.3200 | - | — | ||
Shear Modulus(G) | 6.750 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 8.201 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.404 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 5.090 | - | — | ||
| ↳ | 8.488 | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -239.2 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | 0.00674 | eV/atom | — | ||
| ↳ | -0.02297 | eV/atom | — |