La2S

ceramic

· JVASP-116234· La2S

Lanthanum sulfide (La₂S) is an inorganic ceramic compound belonging to the rare-earth sulfide family, characterized by ionic bonding between lanthanum cations and sulfide anions. This material is primarily of research and developmental interest rather than established in high-volume production; rare-earth sulfides are investigated for optical, thermal, and electronic applications where their wide bandgap and refractory properties offer potential advantages over oxide ceramics in specialized environments.

optical windows and infrared opticshigh-temperature thermal applicationsrare-earth semiconductor researchadvanced ceramics developmentexperimental phosphors and luminescent materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1811	lb/in³	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.00300	µB	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.6910	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.8823	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

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.

La2S — Properties & Data | MatWorld

La2S

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental