Ga₂HgSe₄ is a quaternary semiconductor compound belonging to the family of mercury-containing chalcogenides, combining gallium, mercury, and selenium in a structured lattice. This material is primarily of research interest for infrared optics and nonlinear optical applications, where its wide bandgap and optical transparency in the infrared region make it a candidate for specialized photonic devices. While not yet widely deployed in mainstream industrial production, compounds in this material family are explored for potential use in tunable laser systems, frequency conversion, and thermal imaging components where conventional semiconductors reach their performance limits.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 31.55 | GPa | — | ||
| ↳ | 36.94 | GPa | — | ||
Poisson's Ratio(ν) | 0.2800 | - | — | ||
Shear Modulus(G)2 entries | 18.27 | GPa | — | ||
| ↳ | 21.11 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 5.904 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 1.950 | eV | — | ||
| ↳ | 0.8720 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 14.14 | - | — | ||
| ↳ | 15.92 | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij)2 entries | 0.07749 | C/m² | — | ||
| ↳ | 0.6477 | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | -52.94 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.4445 | eV/atom | — |