Ba4HfNb

metal

· JVASP-64081· Ba4HfNb

Ba4HfNb is an intermetallic compound composed of barium, hafnium, and niobium, representing a research-phase material in the family of complex metal systems. While not yet established in mainstream industrial production, this compound is of interest in materials research for potential high-temperature applications and advanced metallurgical studies, particularly where the combination of refractory elements (hafnium and niobium) with alkaline earth metals (barium) might offer novel property combinations.

experimental intermetallic researchhigh-temperature metallurgy studiesrefractory metal systemsmaterials characterizationadvanced alloy developmentacademic research applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2238	lb/in³	—

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

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

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	1.369	eV/atom	—
Formation Energy(ΔHf)	1.370	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.

Ba4HfNb

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control