Al4 Er2

semiconductor

· Al4 Er2

Al₄Er₂ is an intermetallic compound composed of aluminum and erbium, belonging to the rare-earth aluminum family of materials. This compound is primarily of research and development interest rather than established industrial production, being investigated for potential applications in high-temperature structural materials and advanced aerospace components where the combination of lightweight aluminum with rare-earth strengthening could offer improved performance. The material represents an emerging class of rare-earth aluminum intermetallics that aim to balance thermal stability and density advantages, though commercial deployment remains limited pending further characterization and scaling.

high-temperature structural materialsaerospace research applicationsrare-earth strengthened alloysadvanced materials developmentlightweight intermetallic compounds

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00520	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.5260	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.

Al4 Er2

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control