S2 Cu2 Tl1

semiconductor

· S2 Cu2 Tl1

S2Cu2Tl1 is a ternary semiconductor compound combining sulfur, copper, and thallium. This is a research-phase material investigated primarily for its electronic and photonic properties rather than an established industrial compound; it belongs to the family of chalcogenide semiconductors, which are of interest for infrared optics, photovoltaic devices, and nonlinear optical applications. Engineers would consider this material in experimental contexts where unconventional band structure or rare-earth alternatives to mainstream semiconductors (silicon, gallium arsenide) are needed to meet specific optical or electronic performance targets.

infrared optics and detectorsphotovoltaic researchnonlinear optical devicesexperimental semiconductor researchniche optoelectronic applicationschalcogenide-based systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	46.03	GPa	—
Shear Modulus(G)	17.70	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.02080	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.3140	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.

S2 Cu2 Tl1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control