Na12 Fe4 S12

semiconductor
· Na12 Fe4 S12

Na12Fe4S12 is an iron-sodium sulfide compound belonging to the sulfide semiconductor family, with a complex crystal structure containing iron and sodium cations in a sulfide anion framework. This material is primarily of research and experimental interest rather than established industrial production, being studied for potential applications in energy storage systems (particularly solid-state batteries and thermal energy storage) and as a model compound for understanding ion transport in sulfide-based ionic conductors. Its appeal stems from the combination of relatively abundant constituent elements and the theoretical potential for ion mobility in the sulfide structure, positioning it as a candidate material within the broader exploration of alternative semiconductor and solid electrolyte chemistries.

solid-state battery electrolytesion conductor researchthermal energy storagesulfide semiconductor studiesexperimental materials development

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
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.
Na12 Fe4 S12 — Properties & Data | MatWorld