TbAsS — Properties & Data | MatWorld

TbAsS

ceramic

· JVASP-141173· TbAsS

TbAsS is a ternary ceramic compound composed of terbium, arsenic, and sulfur, belonging to the rare-earth chalcogenide family. This material is primarily of research and developmental interest rather than established in volume production; rare-earth arsenic sulfides are investigated for their potential in optoelectronic and photonic applications due to their wide bandgap and anisotropic crystal structure. Engineers would consider TbAsS for specialized applications requiring rare-earth doping effects or unique optical transparency windows, though material availability, thermal stability, and processing methods remain active areas of investigation.

infrared optics (research)rare-earth semiconductorsphotonic materials (experimental)high-temperature ceramics (developmental)specialty optoelectronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2517	lb/in³	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.1250	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.688	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.

TbAsS

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental