Y4 Al4 Ge4 O20 — Properties & Data | MatWorld

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	3.960	eV	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.990	eV/atom	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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.

Y4 Al4 Ge4 O20

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control