Al2HgSe4 is an intermetallic compound combining aluminum, mercury, and selenium—a rare ternary system that falls outside conventional commercial alloys. This material is primarily of research interest in solid-state physics and materials science, where it is studied for its electronic and structural properties as part of investigations into mercury-containing semiconductors and exotic intermetallic phases. Engineers and researchers may encounter this compound in academic contexts or specialized semiconductor research, though it has not achieved widespread industrial adoption due to mercury's toxicity, handling complexity, and the availability of more stable alternatives for most applications.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 31.69 | GPa | — | ||
| ↳ | 37.68 | GPa | — | ||
Poisson's Ratio(ν) | 0.2800 | - | — | ||
Shear Modulus(G)2 entries | 18.78 | GPa | — | ||
| ↳ | 21.65 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 5.745 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.4480 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)3 entries | 12.09 | - | — | ||
| ↳ | 12.62 | - | — | ||
| ↳ | 9.498 range 7.525–11.47median 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 | 0.1135 | C/m² | — | ||
| ↳ | 0.5693 | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | -45.56 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.04980 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.6476 | eV/atom | — |