Ba4HfBr

ceramic
· JVASP-64465· Ba4HfBr

Ba₄HfBr is a mixed halide ceramic compound containing barium, hafnium, and bromine—a member of the perovskite-related ceramic family. This is a research-phase material studied primarily for its potential in solid-state ionic conduction and photonic applications, rather than an established commercial compound. Interest in this material class stems from the combination of heavy metal cations (hafnium) with halide anions, which can exhibit favorable ion transport properties and optical characteristics for advanced functional ceramics.

solid-state electrolytes (research)halide perovskite variantsphotonic materials developmentionic conductivity studieshigh-density ceramic structures

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
1,813
ksi
Shear Modulus(G)
313.3
ksi
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
0.1813
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV
Magnetic Moment(μB)
3.796
µB
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
1.105
eV/atom
Formation Energy(ΔHf)
0.5168
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.
Ba4HfBr — Properties & Data | MatWorld