Yb4 Al2 Si4
semiconductor· Yb4 Al2 Si4
Yb₄Al₂Si₄ is a rare-earth intermetallic compound combining ytterbium with aluminum and silicon, belonging to the family of rare-earth silicides and aluminides. This material is primarily of research interest rather than established commercial production, studied for its potential in high-temperature applications and as a constituent phase in rare-earth-containing alloy systems. The ytterbium-aluminum-silicon system is explored for applications where thermal stability, specific strength, or electronic properties of rare-earth intermetallics may offer advantages over conventional aerospace or structural alloys.
high-temperature structural researchrare-earth intermetallic compoundsaerospace material developmentthermal barrier coating componentselectronic/thermoelectric researchexperimental phase studies
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.