FeP2
metal· FeP2
FeP2 is an iron phosphide intermetallic compound belonging to the transition metal phosphide family, characterized by a defined stoichiometric ratio of iron to phosphorus. While not a mainstream structural material, iron phosphides have attracted research interest as potential catalysts, particularly in hydrogen evolution and oxygen reduction reactions, and as components in hard coating systems and wear-resistant applications. FeP2 may also be explored in thermoelectric and magnetocaloric research contexts, though industrial deployment remains limited compared to conventional iron alloys.
electrocatalysis and fuel cellshydrogen generationwear-resistant coatingsresearch compoundshard materials and abrasivesadvanced materials development
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 180.0 | GPa | — | ||
| ↳ | 174.9 | GPa | — | ||
Poisson's Ratio(ν) | 0.1600 | - | — | ||
Shear Modulus(G)2 entries | 153.7 | GPa | — | ||
| ↳ | 156.2 | GPa | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 5.042 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.3820 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 37.60 | - | — | ||
| ↳ | 29.84 range 22.48–37.20median of 2 measurements | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -285.8 | µV/K | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.5489 | 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.