Bi5S

ceramic
· JVASP-123844· Bi5S

Bi₅S is a bismuth sulfide ceramic compound belonging to the chalcogenide family, which combines a heavy metal with sulfur to create materials with unique electronic and thermal properties. This material is primarily of research interest rather than established industrial production, investigated for potential applications in thermoelectric devices, optoelectronics, and solid-state energy conversion where bismuth chalcogenides offer tunable band gaps and mixed-valence chemistry. Engineers would consider this compound when exploring alternatives to conventional thermoelectric materials or when designing systems requiring heavy-element semiconductors with layered crystal structures.

thermoelectric devicesoptoelectronic researchsolid-state energy conversionsemiconductor developmentbismuth-based compounds

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Density(ρ)
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Magnetic Moment(μB)
µB
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
eV/atom
Formation Energy(ΔHf)
eV/atom
Verified Unverified Low confidence (<80%) Link to source

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.