Si2 Fe2 Er1
semiconductor· Si2 Fe2 Er1
Si2Fe2Er1 is an intermetallic semiconductor compound combining silicon, iron, and erbium (a rare earth element) in a 2:2:1 stoichiometric ratio. This material represents an experimental research composition within the rare-earth iron silicide family, with potential applications in thermoelectric devices, magnetic semiconductors, or high-temperature electronic components where the rare-earth dopant modifies electronic and thermal transport properties. The inclusion of erbium suggests engineered band structure or magnetic ordering tailored for specialized functional applications rather than structural use.
Thermoelectric devicesRare-earth semiconductors (research)High-temperature electronicsMagnetic materialsAdvanced optoelectronics (prototype phase)
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | — | ksi | — | — | |
Shear Modulus(G) | — | ksi | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
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.