Mercury oxide (HgO) is a semiconductor compound historically used as a pigment and in specialized electrochemical applications. Its primary industrial use has been in mercury batteries (since largely phased out due to environmental regulations) and as a red pigment in paints and ceramics, though modern applications are limited due to mercury's toxicity and strict environmental controls. Engineers encounter HgO primarily in legacy system analysis, historical device restoration, or niche research contexts exploring mercury-based semiconductors, where its unique electronic properties and high density distinguish it from conventional alternatives.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 3,472.6 | ksi | — | ||
| ↳ | 3,418.6 | ksi | — | ||
| ↳ | 6,358.5 | ksi | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 2.423 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | ksi | — | ||
Poisson's Ratio(ν)2 entries | 0.3150 | - | — | ||
| ↳ | 0.3500 | - | — | ||
Shear Modulus(G)3 entries | 1,468.4 | ksi | — | ||
| ↳ | 1,400.6 | ksi | — | ||
| ↳ | 2,133.5 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.3780 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 2.210 | eV | — | ||
| ↳ | 1.217 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 9.780 | - | — | ||
| ↳ | 15.95 | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -279.3 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.01970 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.4705 | eV/atom | — | ||
| ↳ | -0.2255 | eV/atom | — |