Cu4Si2NiS7

metal
· JVASP-34688· Cu4Si2NiS7

Cu4Si2NiS7 is a quaternary sulfide compound combining copper, nickel, and silicon in a sulfide matrix, representing an experimental material rather than an established commercial alloy. This composition falls within the family of multinary metal sulfides, which are of research interest for semiconductor, photovoltaic, and thermoelectric applications due to their tunable electronic properties and potential for cost-effective alternatives to conventional materials. The material's notable feature is the combination of three transition/post-transition metals with sulfur, which can create complex crystal structures with potential band-gap engineering capabilities—though industrial adoption remains limited and the material is primarily investigated in academic and early-stage development contexts.

experimental semiconductorsphotovoltaic researchthermoelectric devicessulfide compound materials scienceband-gap engineering applicationsalternative energy materials development

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Density(ρ)
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kg/m³——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
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eV——
Magnetic Moment(μB)
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µB——
Seebeck Coefficient(S)
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µV/K——
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
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eV/atom——
Formation Energy(ΔHf)
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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.