LaSO — Properties & Data | MatWorld

LaSO

ceramic

· LaSO

Lanthanum sulfide (LaSO) is a rare-earth ceramic compound combining lanthanum with sulfur, belonging to the family of lanthanide chalcogenides. This material is primarily of research and developmental interest rather than established in high-volume industrial production, with potential applications in optical systems, thermal management, and specialized electronic devices that leverage rare-earth properties for high-temperature stability and luminescent characteristics.

optical coatings and windowsthermal barrier materialsrare-earth phosphors and luminescencehigh-temperature ceramicsspecialty electronic substratesresearch applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	5.302	kg/m³	DFT · OptB88vdW

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

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Method

Property	Value	Unit	Conditions
Band Gap(Eg)	1.541	eV	DFT · OptB88vdW
Dielectric Constant (Relative Permittivity)(εr)	10.90 range 6.101–15.69median of 2 measurements	-	DFT · PBEsol
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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.891	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.

LaSO

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental