KVCu2S4

metal

· JVASP-9785· KVCu2S4

KVCu₂S₄ is a quaternary metal sulfide compound containing potassium, copper, and sulfur. This material belongs to the family of mixed-metal sulfides and is primarily of research and materials science interest rather than established industrial production. The compound is investigated for potential applications in solid-state chemistry, thermoelectric devices, and ion-conducting systems where its layered sulfide structure and mixed-valence copper chemistry may offer advantages in charge transport or thermal management.

solid-state electronics researchthermoelectric materials developmention conductor candidateslaboratory synthesismaterials characterization studies

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1190	lb/in³	—

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

Property	Value	Unit	Conditions
Band Gap(Eg)	1.069	eV	—
Dielectric Constant (Relative Permittivity)(εr)	11.79	-	—
Magnetic Moment(μB)	0.000	µB	—
Piezoelectric Modulus(eij)	0.2999	C/m²	—
Seebeck Coefficient(S)	-406.4	µV/K	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	—
Formation Energy(ΔHf)	-0.8990	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.

KVCu2S4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control