Bi2S

ceramic

· JVASP-138274· Bi2S

Bi₂S is a bismuth sulfide ceramic compound belonging to the chalcogenide ceramic family, characterized by layered crystal structure and semiconducting properties. Though not widely commercialized as a structural ceramic, it appears primarily in research contexts for optoelectronic and thermoelectric applications, where its narrow bandgap and anisotropic crystal structure offer potential advantages over conventional semiconductors. Engineers would consider this material for niche applications requiring bismuth-based functionality in thin-film or powder form rather than as a bulk structural component.

thermoelectric devices (research)infrared optics and detectorsthin-film semiconductorsphotovoltaic researchbismuth-based electronicsmaterials research and development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	6,464.3	ksi	—
Poisson's Ratio(ν)	0.3800	-	—
Shear Modulus(G)	1,302.4	ksi	—

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2776	lb/in³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.000	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.6177	eV/atom	—
Formation Energy(ΔHf)	0.3733	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.

Bi2S

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental