KCuS

metal
· KCuS

KCuS is an intermetallic compound composed of potassium, copper, and sulfur, representing an experimental material from the metal sulfide family rather than a conventional engineering alloy. While not established in mainstream industrial production, compounds in this chemical family are of research interest for electrochemical applications, solid-state battery systems, and semiconductor-related technologies where tailored ionic and electronic conductivity are valued. Engineers would consider KCuS primarily in early-stage development contexts where novel material properties—such as mixed-valence transitions or layered ionic structures—address specific performance gaps that conventional metals or ceramics cannot fill.

solid-state battery researchelectrochemical devices (experimental)semiconductor interfaces (R&D)sulfide-based compoundsionic conductor investigation

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
Pa
Poisson's Ratio(ν)
-
Shear Modulus(G)
Pa
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Dielectric Constant (Relative Permittivity)(εr)
median of 2 measurements
-
Magnetic Moment(μB)
µB
Seebeck Coefficient(S)
µV/K
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

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.