FeP4
semiconductor· FeP4
FeP4 is an iron phosphide semiconductor compound that represents an emerging class of phosphide materials being investigated for optoelectronic and energy conversion applications. While not yet widely commercialized, phosphide semiconductors like FeP4 are of significant research interest as potential alternatives to traditional III-V semiconductors, particularly for photocatalysis, photoelectrochemistry, and next-generation photovoltaic devices where earth-abundant iron-based compounds could reduce material costs and supply chain constraints.
photocatalytic water splittingphotoelectrochemical devicessolar energy conversionresearch semiconductorsearth-abundant electronicsemerging photovoltaics
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 140.6 | GPa | — | ||
| ↳ | 135.6 | GPa | — | ||
Poisson's Ratio(ν) | 0.1600 | - | — | ||
Shear Modulus(G)2 entries | 113.9 | GPa | — | ||
| ↳ | 121.8 | 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) | 4.046 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 0.3200 | eV | — | ||
| ↳ | 0.8900 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 23.67 | - | — | ||
| ↳ | 29.25 | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Piezoelectric Modulus(eij)2 entries | 0.04195 | C/m² | — | ||
| ↳ | 0.2225 | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | -251.6 | 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) | 0.00130 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.3864 | 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.