Ba(CuS)2

metal

· Ba(CuS)2

Ba(CuS)₂ is a barium copper sulfide compound—an inorganic metal sulfide that belongs to the family of mixed-metal chalcogenides. This is primarily a research and development material rather than a commodity engineering material, investigated for semiconductor and photovoltaic applications due to its tunable electronic properties and potential for light absorption in thin-film devices.

Photovoltaic researchThin-film semiconductorsOptoelectronic devicesMaterials science researchAlternative absorber layersExperimental solar cells

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	9,566.4	ksi	—
Shear Modulus(G)	4,145.3	ksi	—

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

Property	Value	Unit	Conditions
Dielectric Constant (Relative Permittivity)(εr)	29.33	-	—
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	—
Total Dielectric Tensor(ε)	Matrix (redacted)	-	—

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.

Ba(CuS)2

Mechanical Properties

Electrical Properties

Regulatory Screening

Environmental

Export Control