Barium iodide (BaI₂) is an ionic ceramic compound consisting of barium cations and iodide anions, belonging to the halide ceramics family. While primarily used in laboratory and specialized industrial settings, BaI₂ serves roles in X-ray imaging scintillators, analytical chemistry applications, and emerging optoelectronic research where its iodide composition provides useful optical and radiation-interaction properties. The material remains largely in research and niche industrial domains rather than high-volume structural applications, making it relevant for engineers designing radiation detection systems, spectroscopy equipment, or specialized optical components requiring halide ceramics.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 23.63 | GPa | — | ||
Poisson's Ratio(ν) | 0.3300 | - | — | ||
Shear Modulus(G) | 9.600 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 5.165 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 2.984 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)3 entries | 17.76 | - | — | ||
| ↳ | 13.65 | - | — | ||
| ↳ | 8.151 range 4.596–11.71median of 2 measurements | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij)2 entries | 0.6677 | C/m² | — | ||
| ↳ | 0.02205 | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | -141.5 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.00120 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -2.092 | eV/atom | — | ||
| ↳ | -1.900 | eV/atom | — |