GeAs3 is a chalcogenide ceramic compound composed of germanium and arsenic, belonging to the family of glass-forming materials used primarily in infrared optical applications. This material is notable for its transparency in the mid- to far-infrared spectrum, making it valuable for thermal imaging systems, infrared optics, and specialized lens applications where conventional optical glasses fail. GeAs3 and related chalcogenide ceramics are engineered for their unique optical properties rather than mechanical strength, offering engineers an alternative to crystalline infrared materials when refractive index, transmission bandwidth, and processability into complex shapes are critical.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 6.030 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 0.000 | eV | — | ||
| ↳ | 0.000 | eV | — | ||
Seebeck Coefficient(S) | 3.240 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.4540 | eV/atom | — | ||
Formation Energy(ΔHf) | 0.4289 | eV/atom | — |