GeAsSe
ceramic· JVASP-5644· GeAsSe
GeAsSe is a chalcogenide glass ceramic composed of germanium, arsenic, and selenium—a material family valued for infrared transparency and nonlinear optical properties. This compound is primarily of research and specialized optics interest, used in infrared imaging windows, fiber optics, and thermal sensing applications where conventional optical materials become opaque. Engineers select GeAsSe-based compositions when extreme infrared wavelength transmission and chemical stability in harsh environments are critical, though production complexity and cost limit it to niche high-performance applications rather than commodity use.
infrared optics and windowsfiber-optic telecommunicationsthermal imaging sensorsnonlinear optical devicesspecialty glass research
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 523.6 | ksi | — | ||
Poisson's Ratio(ν) | 0.4700 | - | — | ||
Shear Modulus(G) | 277 | ksi | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1715 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.320 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -230.4 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.04320 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.1528 | eV/atom | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.