Ba4HfO6

ceramic

· JVASP-50344· Ba4HfO6

Ba4HfO6 is a barium hafnium oxide ceramic compound belonging to the perovskite-related oxide family, combining a rare earth-group metal (hafnium) with alkaline earth chemistry. This material is primarily investigated in research contexts for high-temperature structural applications and as a potential thermal barrier coating or refractory component, where hafnium oxides are valued for exceptional melting points and chemical stability. The barium doping modifies thermal and mechanical properties relative to pure hafnium oxide systems, making it a candidate for extreme-environment engineering where conventional ceramics fail.

thermal barrier coatingsrefractory materialshigh-temperature ceramicsaerospace heat protectionresearch and developmentmaterials science exploration

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	6.684	kg/m³	—

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

Property	Value	Unit	Conditions
Band Gap(Eg)	3.077	eV	—
Magnetic Moment(μB)	0.000	µB	—
Seebeck Coefficient(S)	-302.3	µV/K	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.07990	eV/atom	—
Formation Energy(ΔHf)	-3.100	eV/atom	—

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

Regulatory Screening

Environmental

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.

Ba4HfO6

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental