FeCu3S4

metal

· JVASP-91735· FeCu3S4

FeCu3S4 is an iron-copper sulfide compound that belongs to the family of mixed-metal sulfides, combining metallic and chalcogenide characteristics. While primarily of academic and materials research interest rather than established industrial production, this compound is studied for potential applications in sulfide-based electronics, photovoltaics, and catalysis due to its mixed-valence metal structure and semiconducting properties. Engineers investigating alternatives to rare-earth or single-metal systems in emerging energy technologies may evaluate this material family, though conventional copper sulfides (e.g., CuFeS₂ chalcopyrite) remain the dominant industrial reference point.

research compoundsulfide semiconductorsphotovoltaic materialscatalysis applicationsmaterials science development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	4.392	kg/m³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	2.814	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.01420	eV/atom	—
Formation Energy(ΔHf)	-0.3555	eV/atom	—

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

Regulatory Screening

Environmental

Export Control

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.

FeCu3S4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control