Magnesium iodide (MgI₂) is an inorganic halide ceramic compound composed of magnesium and iodine. It is primarily of research and specialized industrial interest rather than a mainstream structural material, with applications driven by its ionic conductivity, optical transparency, and hygroscopic properties. MgI₂ is explored in solid-state electrolytes for advanced batteries, optoelectronic devices, and as a precursor in specialized chemical synthesis; it is notably sensitive to moisture and requires controlled environments, making it distinct from more robust ceramics used in load-bearing or high-temperature applications.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 2,925.4 | ksi | — | ||
Exfoliation Energy(Eexf) | 82.06 | meV/atom | — | ||
Poisson's Ratio(ν) | 0.2600 | - | — | ||
Shear Modulus(G) | 1,737.6 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1619 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 3.625 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 6.720 | - | — | ||
| ↳ | 9.308 | - | — | ||
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) | -271.9 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -1.268 | eV/atom | — | ||
| ↳ | -1.126 | eV/atom | — |