YbS31 — Properties & Data | MatWorld

YbS31

ceramic

· JVASP-132517· YbS31

YbS31 is a rare-earth sulfide ceramic compound based on ytterbium sulfide chemistry. This material belongs to the family of lanthanide chalcogenides, which are primarily of research and specialized industrial interest rather than mainstream engineering applications. The compound is notable for its potential in high-temperature applications, optical devices, and specialized electronic ceramics where rare-earth sulfides offer unique combinations of thermal stability and electronic properties compared to oxide-based alternatives.

High-temperature ceramicsOptical/photonic componentsRare-earth ceramic researchSpecialized electronic substratesRefractory applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	2.440	kg/m³	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.149	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)	0.05810	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.1117	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.

YbS31

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental