Ba4HfO6 — Properties & Data | MatWorld

Ba4HfO6

Name: Ba4HfO6
Brand: MatWorld

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	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	3.077	eV	DFT · OptB88vdW
Electron Effective Mass(m*e)	2.687	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.480	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000915	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000569	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-302.3	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	319.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.07990	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-3.100	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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