S4 Te4 Re4

semiconductor

· S4 Te4 Re4

S₄Te₄Re₄ is an experimental quaternary semiconductor compound combining sulfur, tellurium, and rhenium elements. This material belongs to the family of complex chalcogenide semiconductors with transition metal doping, currently investigated in research contexts for potential optoelectronic and thermoelectric applications. The rhenium-doped telluride-sulfide system is notable for exploring how multi-component chalcogenide architectures can tune bandgap and carrier transport properties compared to binary or ternary alternatives, though industrial deployment remains limited pending further development and characterization.

experimental semiconductorsthermoelectric devices (research phase)optoelectronic applicationschalcogenide compound researchtransition metal semiconductor alloyshigh-temperature energy conversion (exploratory)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	11,211.4	ksi	—
Shear Modulus(G)	6,352.7	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.1870	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.3980	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 Te4 Re4

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control