Ge2 Te5 As2
semiconductor· Ge2 Te5 As2
Ge2Te5As2 is a chalcogenide glass—a amorphous semiconductor composed of germanium, tellurium, and arsenic—belonging to the family of materials used for infrared optics and phase-change applications. This composition sits in an active research space for infrared window materials, optical recording media, and potential thermal imaging components, where its infrared transparency and variable refractive index offer advantages over conventional glasses and crystalline alternatives in the mid-to-far IR spectrum. The arsenic addition modulates glass-forming tendencies and thermal stability compared to simpler Ge-Te binaries, making it relevant for specialized optoelectronic and photonic device engineering.
infrared optics and windowsphase-change memory devicesoptical data storagethermal imaging componentsfiber optics (mid-IR)research semiconductors
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | — | eV/atom | — | — |
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
Export Control
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.