Beryllium iodide (BeI₂) is an inorganic ceramic compound combining beryllium metal with iodine, belonging to the halide ceramic family. This material is primarily of research and academic interest rather than established in commercial engineering applications; it appears in solid-state chemistry studies and theoretical materials science work exploring beryllium halide properties. BeI₂ is notable within materials science for investigating beryllium compound behavior and crystal structure, though practical engineering use is limited due to the chemical reactivity of halide ceramics and the toxicity constraints associated with beryllium handling.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 1,625.9 | ksi | — | ||
Poisson's Ratio(ν) | 0.2500 | - | — | ||
Shear Modulus(G) | 1,074.7 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1546 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 4.039 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 3.970 | - | — | ||
| ↳ | 6.416 | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -238.3 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.6519 | eV/atom | — | ||
| ↳ | -0.5866 | eV/atom | — |