S4 Cu2 Ge1 Hg1

semiconductor

· S4 Cu2 Ge1 Hg1

S₄Cu₂Ge₁Hg₁ is an experimental quaternary semiconductor compound combining copper, germanium, mercury, and sulfur elements. This material belongs to the family of complex chalcogenide semiconductors and is primarily of research interest for investigating novel electronic and optical properties that emerge from multi-element compositions. While not established in mainstream industrial production, quaternary semiconductors of this type are explored for potential applications in optoelectronics and thermoelectric devices where tunable band gaps and carrier transport properties offer advantages over simpler binary or ternary systems.

experimental optoelectronicsthermoelectric devicesmaterials researchband gap engineeringsemiconductor physics researchthin-film photovoltaics (exploratory)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	69.21	GPa	—
Shear Modulus(G)	27.39	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.6370	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.3280	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.

S4 Cu2 Ge1 Hg1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control