YAlS2

metal

· JVASP-139496· YAlS2

YAlS₂ is an experimental yttrium aluminum sulfide compound, representing an intermetallic or ceramic-like material in the rare-earth metal sulfide family. This compound has been investigated primarily in materials research for potential applications requiring chemical stability and thermal properties distinct from conventional oxides. While not yet commercialized at scale, YAlS₂ belongs to a class of materials explored for specialized refractory, electronic, or optical applications where sulfide-based ceramics offer advantages over traditional oxide counterparts.

research and developmentrefractory materialsrare-earth compoundsexperimental ceramicsthermal stability applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	21.59	GPa	—
Shear Modulus(G)	-21.33	GPa	—

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

Property	Value	Unit	Conditions	Source
Density(ρ)	2.884	kg/m³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.000	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.3805	eV/atom	—
Formation Energy(ΔHf)	-1.307	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.

YAlS2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control