Ge2Te5As2

ceramic
· Ge2Te5As2

Ge₂Te₅As₂ is a chalcogenide ceramic compound belonging to the germanium-tellurium-arsenic family, materials known for their amorphous or glassy phase-change behavior. This composition sits within the research domain of phase-change materials and chalcogenide glasses, which are primarily explored for non-volatile memory applications and optical switching devices rather than conventional structural or thermal applications. Engineers evaluate this material class for its potential in next-generation data storage technologies where reversible crystalline-amorphous transitions enable information encoding without moving parts.

phase-change memory devicesoptical switching applicationsnon-volatile data storageinfrared optics (research)reconfigurable photonics

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Density(ρ)
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Dielectric Constant (Relative Permittivity)(εr)
-
Electronic Dielectric Tensor(ε∞)
Matrix (redacted)
-
Total Dielectric Tensor(ε)
Matrix (redacted)
-
Magnetic Moment(μB)
µB
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
eV/atom
Formation Energy(ΔHf)
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.