Mercury(II) bromide (HgBr2) is an inorganic semiconductor compound composed of mercury and bromine, belonging to the halide semiconductor family. Historically used in radiation detection systems and specialized optoelectronic devices, HgBr2 has seen limited modern industrial adoption due to toxicity concerns and the availability of less hazardous alternatives; current interest is primarily in research contexts exploring layered materials and two-dimensional semiconductor physics. The material's relatively weak interlayer bonding makes it of interest to researchers investigating exfoliation-based device engineering, though practical applications remain largely experimental.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 12.30 | GPa | — | ||
Exfoliation Energy(Eexf) | 81.52 | meV/atom | — | ||
Poisson's Ratio(ν) | 0.3100 | - | — | ||
Shear Modulus(G) | 6.140 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 6.136 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 3.590 | eV | — | ||
| ↳ | 2.075 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 20.90 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij)2 entries | 0.02177 | C/m² | — | ||
| ↳ | 0.03594 | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | -88.47 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.01360 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.5856 | eV/atom | — | ||
| ↳ | -0.3350 | eV/atom | — |