BaCu2S2

metal
· JVASP-8055· BaCu2S2

BaCu₂S₂ is a ternary metal sulfide compound combining barium, copper, and sulfur—a research-stage material not yet in widespread commercial production. This compound falls within the family of metal chalcogenides, which have attracted recent attention for potential applications in thermoelectric devices, photovoltaic materials, and solid-state electronics where mixed-metal sulfides offer tunable electronic properties. While currently exploratory rather than an established engineering material, compounds in this class are being investigated for their ability to operate at intermediate temperatures and their potential to replace scarcer or more toxic elements in functional ceramics and semiconductors.

thermoelectric devices (research)photovoltaic absorbers (experimental)solid-state electronicsheat-to-electricity conversionsemiconductor thin filmsmaterials substitution research

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
ksi
Poisson's Ratio(ν)
-
Shear Modulus(G)
ksi
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Dielectric Constant (Relative Permittivity)(εr)
-
Magnetic Moment(μB)
µB
Piezoelectric Modulus(eij)
C/m²
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.
BaCu2S2 — Properties & Data | MatWorld