ErFe4Ge2

metal

· JVASP-12311· ErFe4Ge2

ErFe4Ge2 is an intermetallic compound combining erbium, iron, and germanium, belonging to the rare-earth iron germanide family of materials. This is a research-phase compound primarily investigated for its magnetic and thermal properties rather than a commercial engineering material. The material is studied in condensed matter physics and materials science contexts for potential applications in advanced magnetic devices, magnetocaloric systems, and low-temperature physics, where rare-earth intermetallics offer opportunities for tailored electronic and magnetic behavior unavailable in conventional alloys.

magnetocaloric researchrare-earth intermetallicslow-temperature physicsmagnetic property engineeringcondensed matter research

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	8.801	kg/m³	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	7.454	µB	—
Seebeck Coefficient(S)	8.187	µV/K	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.02150	eV/atom	—
Formation Energy(ΔHf)	-0.3158	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.

ErFe4Ge2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control