La3S — Properties & Data | MatWorld

La3S

ceramic

· JVASP-132037· La3S

La₃S is a rare-earth sulfide ceramic compound composed of lanthanum and sulfur, belonging to the family of lanthanide chalcogenides. This material is primarily investigated in research contexts for its potential in optical, thermal, and electronic applications due to the unique properties imparted by lanthanum. While not widely commercialized in mainstream engineering, La₃S and related rare-earth sulfides are of interest in specialized fields such as infrared optics, luminescent devices, and high-temperature ceramics where the combination of rare-earth chemistry and sulfide bonding offers advantages over conventional oxides.

Infrared optical windowsLuminescent materials (research)High-temperature ceramics (experimental)Rare-earth compound researchThermal management (advanced applications)Electronic materials development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2072	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)	0.000	µB	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.1262	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.054	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.

La3S

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental