Sm1 Fe2 Si2

semiconductor
· Sm1 Fe2 Si2

SmFe₂Si₂ is an intermetallic compound belonging to the rare-earth iron silicide family, characterized by a layered crystal structure that exhibits semiconductor behavior. This material is primarily of research interest for thermoelectric and magnetothermoelectric applications, where the combination of rare-earth, transition metal, and silicon components offers potential for tuning electronic and thermal transport properties. Engineers considering this compound should recognize it as an experimental material rather than an established industrial choice, valued in materials research for exploring how rare-earth elements modulate electronic band structure in intermetallic systems.

thermoelectric devicesmagnetothermoelectric materialsrare-earth intermetallics researchsolid-state energy conversionsemiconductor physics researchmaterials discovery and screening

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
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.
Sm1 Fe2 Si2 — Properties & Data | MatWorld