Ba4FeGe

metal

· JVASP-66316· Ba4FeGe

Ba₄FeGe is an intermetallic compound composed of barium, iron, and germanium, representing a rare-earth and transition-metal system typically investigated for advanced functional properties. This material exists primarily in the research domain rather than established industrial production, with study focused on its crystallographic structure and potential electronic or magnetic behavior due to its mixed-valence composition. Interest in such compounds derives from their potential as candidate materials for thermoelectric, magnetocaloric, or semiconducting applications where the combination of heavy (Ba) and transition (Fe) elements with a semiconductor (Ge) can produce unusual band structures.

experimental research compoundsthermoelectric device candidatesintermetallic phase studiesmagnetic material researchmaterials discovery and screening

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1779	lb/in³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.2990	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	1.304	eV/atom	—
Formation Energy(ΔHf)	1.013	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.

Ba4FeGe

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control