YbFe4P12
metal· JVASP-21841· YbFe4P12
YbFe4P12 is a rare-earth iron phosphide compound belonging to the filled skutterudite family of intermetallic materials. This is a research-stage material studied primarily for its unusual thermoelectric and thermal transport properties, where the ytterbium atoms in the cage structure interact with phonons in ways that suppress heat conduction while maintaining electrical conductivity. Although not yet in widespread industrial production, skutterudites like YbFe4P12 are investigated for next-generation thermoelectric devices and energy conversion applications where conventional alloys fall short.
thermoelectric power generationwaste heat recoverycryogenic applicationsmaterials researchenergy conversion deviceshigh-temperature structural testing
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 144.2 | GPa | — | ||
Poisson's Ratio(ν) | 0.2100 | - | — | ||
Shear Modulus(G) | 105.1 | GPa | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 5.320 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Seebeck Coefficient(S) | 12.92 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.5839 | 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.