Er4FeS7
metal· JVASP-139945· Er4FeS7
Er4FeS7 is an ternary intermetallic compound combining erbium, iron, and sulfur, belonging to the rare-earth metal sulfide family. This is a research-phase material studied primarily for its potential electronic, magnetic, and thermoelectric properties rather than as an established commercial alloy. Engineers would consider this compound in exploratory work on functional materials where rare-earth chemistry offers advantages in energy conversion, magnetic applications, or specialized semiconductors.
rare-earth intermetallics researchthermoelectric materials developmentmagnetic compound studiesfunctional materials prototypingmaterials science experimentation
Compliance & Regulations
?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | — | kg/m³ | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | — | eV | — | — | |
Magnetic Moment(μB) | — | µB | — | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | — | eV/atom | — | — | |
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.