Y8 Al4

semiconductor

· Y8 Al4

Y8Al4 is an intermetallic compound in the yttrium-aluminum system, likely a research or specialty material combining rare-earth and lightweight metallic elements. This material family is of interest in advanced aerospace and high-temperature applications where combining yttrium's thermal stability with aluminum's low density offers potential advantages, though it remains primarily in experimental or niche industrial use rather than mainstream production.

High-temperature structural applicationsAerospace researchRare-earth intermetallic compoundsLightweight alloy developmentAdvanced materials researchSpecialty casting alloys

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000600	eV	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.3520	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.

Y8 Al4 — Properties & Data | MatWorld

Y8 Al4

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control