Y4 Al4 Ge4 O20
semiconductor· Y4 Al4 Ge4 O20
Y₄Al₄Ge₄O₂₀ is an yttrium aluminum germanate ceramic compound belonging to the rare-earth oxide family, combining yttrium, aluminum, and germanium in an oxidic framework. This material is primarily investigated in research contexts for photonic and optical applications, particularly as a potential host for rare-earth ion doping in laser crystals and scintillator systems. Its mixed-metal oxide composition positions it as an alternative to conventional rare-earth silicates and aluminates where germanate hosts may offer improved optical transparency, thermal stability, or radiation hardness for specialized high-performance applications.
laser crystals and optical hostsscintillation detectorsradiation-hard ceramicsrare-earth doped phosphorsresearch and development
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.