ErAsS

ceramic

· JVASP-151887· ErAsS

ErAsS is a ceramic compound combining erbium, arsenic, and sulfur, representing a rare-earth chalcogenide material family. This material exists primarily in research and development contexts, where it is investigated for potential applications in infrared optics, semiconductor devices, and solid-state physics due to the optical and electronic properties characteristic of rare-earth arsenic sulfides. Engineers would consider ErAsS-based materials where narrow-bandgap semiconductors, thermal stability, or specialized infrared transparency are critical, though commercial availability and scalability remain limited compared to established ceramic and semiconductor alternatives.

infrared optics researchrare-earth semiconductorssolid-state device developmentthermal management systemsexperimental photonicshigh-temperature ceramic applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2684	lb/in³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00100	eV	—
Magnetic Moment(μB)	0.000	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	—
Formation Energy(ΔHf)	-1.655	eV/atom	—

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

Regulatory Screening

Environmental

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.

ErAsS

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental