Sm4 As8 Au4
semiconductor· Sm4 As8 Au4
Sm₄As₈Au₄ is an intermetallic compound combining samarium (a rare-earth element), arsenic, and gold in a defined stoichiometric ratio. This material belongs to the rare-earth intermetallic family and appears to be primarily a research compound rather than a mature commercial material; it may exhibit semiconductor behavior due to the electronic configuration of samarium and the As-Au network. While industrial deployment of this specific composition is limited, rare-earth intermetallics of this type are investigated for specialized electronic, magnetic, and thermoelectric applications where the combination of rare-earth and metallic elements can produce novel band structures or localized electron behaviors.
thermoelectric materials researchrare-earth intermetallicssolid-state electronics (experimental)low-dimensional materialsmaterials physics researchsemimetal/semiconductor compounds
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| 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.