S4 Fe1 Ag2 Sn1

semiconductor
· S4 Fe1 Ag2 Sn1

S4Fe1Ag2Sn1 is a quaternary semiconductor compound combining sulfur, iron, silver, and tin in a fixed stoichiometric ratio. This is primarily a research material rather than a commercial semiconductor; compounds in this family are of interest for photovoltaic, thermoelectric, and optoelectronic applications due to the diverse electronic properties contributed by each constituent element. The combination of Earth-abundant elements (iron, sulfur) with noble metal (silver) and common post-transition metal (tin) makes it attractive for exploring cost-effective alternatives to conventional semiconductors, though its stability, phase behavior, and practical device performance remain active areas of investigation.

experimental photovoltaicsthermoelectric researchoptoelectronic devicesmaterials screeningEarth-abundant semiconductorscompound semiconductor development

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
Pa
Shear Modulus(G)
Pa
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
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.