CaEr2S4

ceramic

· JVASP-119447· CaEr2S4

CaEr2S4 is a rare-earth ceramic compound combining calcium, erbium, and sulfur, belonging to the family of rare-earth chalcogenides. This material is primarily of research and development interest for high-temperature and optoelectronic applications, where its rare-earth content and sulfide chemistry offer potential advantages in thermal stability, luminescence, or specialized semiconductor behavior compared to more conventional oxide ceramics.

rare-earth optoelectronicshigh-temperature ceramicsresearch-phase materialsthermal barrier coatings (exploratory)phosphor and luminescent applicationsspecialized semiconductor research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1867	lb/in³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.529	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)	-2.289	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.

CaEr2S4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental