Ba4HfCu

metal

· JVASP-64244· Ba4HfCu

Ba4HfCu is an intermetallic compound combining barium, hafnium, and copper in a defined stoichiometry. This material belongs to the family of ternary and higher-order metallic systems and is primarily of research interest rather than established industrial production. The compound exemplifies materials exploration in high-entropy and complex metal systems, where unusual crystal structures and electronic properties may enable applications in advanced functional materials, such as thermoelectrics or specialized electronic components, though commercial deployment remains limited.

research and developmentintermetallic compoundsthermoelectric materialsfunctional electronicsmaterials chemistryphase diagram studies

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1932	lb/in³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	3.394	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	1.090	eV/atom	—
Formation Energy(ΔHf)	1.024	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.

Ba4HfCu

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control